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Gunbower 
Forest 
1
2
Icon sites of the River Murray 
Printed on 100% recycled paper. February 2007. 
Barmah–Millewa Forest 
Australia’s largest River Red Gum Forest. 
The Barmah–Millewa Forest is the largest River 
Red Gum forest in Australia, covering 66,000 
hectares of floodplain. 
Many threatened native plants, birds, fish 
and reptiles make this wetland their home. 
Spring floods keep River Red Gums healthy, 
and provide habitat and breeding sites for vast 
numbers of colonial waterbirds, including 
threatened Egret species. Photo: Keith Ward. 
Gunbower–Koondrook– 
Perricoota Forest 
Australia’s second largest River 
Red Gum Forest. 
The Gunbower–Koondrook–Perricoota Forest 
covers around 50,000 hectares and is home to 
many threatened native plants and animals. 
The forest wetlands are important breeding 
places for waterbirds and native fish. The area is 
also an essential destination for waterbirds listed 
under treaties with Japan and China to protect 
endangered migratory birds. Photo: North Central CMA. 
Hattah Lakes 
A unique collection of semi-permanent 
freshwater lakes. 
The 17 semi-permanent freshwater lakes form 
the Hattah Lakes system support River Red Gum 
communities and a variety of native plants and 
animals. The lakes are also important breeding 
places for waterbirds. Photo: Andy Wise. 
Chowilla Floodplain and 
Linsday–Wallpolla islands 
A significant semi-arid floodplain ecosystem. 
Chowilla Floodplain is one of the only reaches 
of the lower Murray floodplain not used for 
irrigation, preserving much of its natural 
character. Covering 17,700 hectares, it is an area 
of national significance because of the unique 
occurrence of wetlands in the normally semi-dry 
environment. 
The Lindsay–Wallpolla islands cover almost 
20,000 hectares of floodplain and support many 
threatened plants and animals, and a number of 
native fish. Photo: Caroline Fisher. 
Lower Lakes, 
Coorong and Murray Mouth 
One of Australia’s most unique 
and significant estuaries. 
The Lower Lakes, Coorong and Murray Mouth 
include an area of approximately 140,000 
hectares, covering 23 different wetland types, 
from very fresh to more saline than the sea. 
This icon site is where the River Murray meets 
the sea, is one of the 10 major havens for large 
concentrations of waterbirds in Australia, and is 
one of the few havens found south of the Tropic of 
Capricorn. Thirty-three of the bird species found 
here are listed under international treaties to 
protect endangered migratory birds. 
The Coorong is 140 km long and ranked among 
the top six waterbird sites in Australia based on 
the diversity and number of species found there. 
However, a lack of water flowing to this area has 
severely impacted upon its health, with only one-quarter 
of the ecological system still supporting its 
native fish, birds and plants. Photo: John Baker. 
River Murray Channel 
The artery that connects 
the whole River system. 
The River Murray channel is the ‘main artery’ 
of the river and extends over 2,150 km (river 
distance) from the Hume Dam to Wellington in 
South Australia. It includes the River bed and 
banks, in-stream habitat, and anabranches and 
wetlands that are not part of other icon sites. 
Photo: John Baker. 
Murray-Darling Basin Commission 
GPO Box 409, Canberra, ACT 2601 
tel. 02 6279 0100 
email. thelivingmurray@mdbc.gov.au 
www.thelivingmurray.mdbc.gov.au 
The Living Murray program was established in 2002 in response to 
evidence that the health of the River Murray system was in decline. 
The Living Murray’s first stage focuses on improving the environment 
at six ‘icon sites’ along the River. 
The sites were chosen for their high ecological value— 
most are listed as internationally significant wetlands 
under the Ramsar Convention—and also their cultural significance to 
Indigenous people and the broader community. 
Through The Living Murray program, action is underway to provide water 
to these sites and support natural environments unique to the Australian 
landscape. 
3
Murray River Reserves 
S 
Gunbower State Forest and Torrumbarry to Echuca 
E The Murray River, with its majestic River Red Gums, sandy beaches and a large variety of 
wildlife, provides the ideal backdrop for camping and a range of water-based recreation. 
T A haven for plants and animals 
O The Murray River Parklands, with their majestic 
River Red Gums and forests provide an important 
habitat for a variety of plants and animals. 
Kangaroos and emus are common along the 
N reserve. Keep an eye out for some of the koalas 
that have been released here. 
Over 200 species of birds have been recorded 
K and the river is one of the largest breeding 
grounds for waterbirds in Victoria. The river is also 
a breeding ground for native fish species such as 
A rich human history 
the Murray Cod and Golden Perch. 
R Gunbower Island, near Cohuna, has a water 
For thousands of years, local indigenous people 
frontage of 130 kilometres and the 20,000ha state 
have lived along the Murray River. When 
forest covers about 80 percent of the island. Until 
A exploring you may discover shell middens (kitchen 
damming, the red gum and box forests were 
hearths), burials and scar trees testifying to a rich 
flooded every year and today still depend on the 
human history spanning more than 10,000 years. 
occasional inundation. The island supports 
Please respect these Australian heritage sites – 
protected populations of kangaroos, emus, 
they are protected by law. 
P goannas, possums, snakes and 160 different 
Enjoying the park 
species of birds. The island is a RAMSAR listed 
wetland. 
Fishing for Murray Cod, Golden Perch and Redfin 
Hunting for pest animals on Gunbower Island is 
is a popular pastime. 
permitted only in areas outside of the sanctuary, 
provided you have a current permit to hunt on 
A current NSW Freshwater Recreation Fishing 
Crown Land. 
Licence is required for the Murray River. A 
Victorian Recreational Fishing Licence is required 
Accommodation 
for fishing in waters south of the Murray River. 
Camping - There are designated camping areas 
The nearby towns of Koondrook, Cohuna, 
at Wills Bend near Echuca with toilets provided 
Gunbower, Torrumbarry and Echuca all have 
between Christmas and Easter. All other areas 
caravan parks, motels and bed and breakfast 
have basic bush camping. 
accommodation options. 
Boating and canoeing are popular on the Murray 
How to get there 
River. The canoe trail at Safes Lagoon is a great 
spot for canoeing. 
Gunbower State Forest and Torrumbarry to 
Echuca are along the Murray River between 
Swimming is a popular activity, particularly at the 
Echuca and Koondrook around 250km north of 
numerous sandy river bend beaches. 
Melbourne. Access to the major entrances is via 
Note: Take care when swimming - cold water and 
the Murray Valley Highway. 
fast currents can be hazardous and there may be 
submerged logs. Diving or jumping into the water 
can be dangerous. 
Walking – There are many short and long walks 
throughout the area. A circuit walk of Gunbower 
Island will take 7-8 hours. 
Scenic drives along the river are also popular. 
Printed on Australian-made 100% recycled paper December 2006 
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5 
HIPWELL 
REGULATOR 
ORIELLY'S RD 
Yarran Creek 
Reedy Lagoon
Environmental Watering in Victoria 2007/08 | 9 
GUNBOWER FOREST 
Gunbower Forest is a River Red Gum 
floodplain ecosystem of the River Murray in 
central northern Victoria. The forest is on an 
island of about 20,000ha between the River 
Murray and Gunbower Creek. 
The Need for Water 
River Red Gum forests provide unique 
and important wetland habitats. The 
forests’ deepest depressions also include 
semi-permanent wetlands. 
These wetlands are highly productive 
habitats with diverse plant communities 
and a variety of invertebrates, fish, frogs 
and waterbirds. Because of their seclusion 
and the food they provide, these wetlands 
are the main breeding sites for colonial 
nesting waterbirds on the River Murray. 
During the prolonged drought, most 
forest wetlands in Victoria and New South 
Wales have dried out. Wetland animals 
have fewer places to find food and breed. 
Fish, turtles and waterbird populations 
are declining and are relying on refuge 
habitats to survive the drought. 
In 2007, the number of waterbirds in 
south-eastern Australia was less than 
one third of that in an average year. 
6
10 | Environmental Watering in Victoria 2007/08 
Watering Aims 
Environmental water was delivered to 
Gunbower Forest in 2007/08 to protect 
critical wetland refuge areas. 
A small number of Gunbower Forest’s 
diverse wetlands are close to their natural 
state, making them an ecological reference 
point for the condition of wetlands across 
the whole River Murray floodplain. 
Watering in the past has maintained these 
important wetlands, keeping the River 
Red Gum trees that fringe them healthy, 
maintaining the plant communities and 
supporting waterbird breeding events. 
Watering in 2007/08 aimed to provide 
feeding habitat and help maintain 
waterbird populations during the drought. 
If bird breeding occurred as a result of the 
watering, it would be considered a major 
bonus. 
Watering Details 
In 2007/08, 7708ML was provided to 
Gunbower Forest. 
It consisted of 5708ML from the Victorian 
River Murray Flora and Fauna Bulk 
Entitlement and 2000ML from The Living 
Murray program. 
The water was delivered between April 
and May 2008. 
The Little Gunbower Wetland Complex 
received 2300ML over 12 days, released 
from Gunbower Creek. This achieved 
a depth of up to 1m in the complex 
and inundated 310ha. The water lasted 
throughout spring and into summer. 
Releasing 5408ML from Gunbower Creek 
to the Little Reedy Wetland Complex filled 
the complex and spilled downstream 
through the forest to inundate 543ha of 
the Whistler Wetland Complex. 
Left: Mel Tranter, North Central Catchment Management Authority. 
Right: Sharada Ramamurthy, Department of Sustainability and Environment. 
Opposite page, from top: Sharada Ramamurthy, Department of 
Sustainability and Environment. Kathryn Stanislawski, North Central 
Catchment Management Authority. 
7
Environmental Watering in Victoria 2007/08 | 11 
Outcomes 
The watering provided a drought refuge 
for important plants and animals. 
Aquatic invertebrates 
Aquatic invertebrates are one of the 
first food sources to appear in flooded 
wetlands. In June 2008, the wetlands 
were quickly colonised by a range of 
crustaceans and midge larvae. By 
September, larger invertebrates were 
common including diving beetles, 
caddisfly and yabbies. 
Frogs and turtles 
Turtles started laying eggs soon after the 
water was delivered. Six frog species have 
been recorded in the forest in recent years 
and all were recorded again following 
the watering. Three species bred in 
September: peron’s tree frogs, common 
froglets and spotted marsh frogs. 
Fish 
Nine species of fish, including five native 
species, were present in the wetlands 
after the watering. Carp screens stopped 
large carp entering the Little Gunbower 
Wetland Complex, which would have 
reduced the watering’s success. 
Native fish were prominent in the 
wetlands. Three native species bred after 
the watering: carp gudgeon, Australian 
smelt and unspecked hardyhead. 
Birds 
The wetlands attracted waterfowl, waders, 
raptors and colonial nesting waterbirds. 
Ducks and grebes were the most 
abundant with more than 200 birds 
counted, including mountain ducks and 
hoary-headed grebes. These birds made 
use of the open water in the wetlands and 
the food provided by soft-leaved wetland 
plants and aquatic invertebrates. 
Breeding behaviour was initiated by 
great egrets but did not continue through 
to nesting, possibly because the area 
watered was too small. 
The Eagle Tree 
A unique part of the Gunbower Forest 
environmental watering program was 
a public water donation to rescue the 
Eagle Tree (pictured). 
The tree is one of the largest and oldest 
River Red Gums in the forest. It has a girth 
of 11m and is 50m tall. It is believed to 
be more than 1000 years old. In the past, 
white-bellied sea eagles have nested there 
and more recently the tree has been used 
by wedge-tailed eagles for nesting. 
The tree has shed most of its leaves 
and is in danger of dying because 
of the drought. 
A concerned member of the public 
donated 1ML and the community rallied 
together to save the tree. Local State 
Emergency Service members created a 
bank with sandbags to hold the water 
around the tree. The Gannawarra Shire 
provided tankers to cart the water to the 
tree between January and April 2008. 
Before watering, the tree’s canopy 
had declined to 20 per cent. After the 
watering, the canopy increased to 40 
per cent, giving the tree a much greater 
chance of surviving the drought. 
8
Part B: What effect does regulating the river 
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a year compared to QDWXUDOÀRZV. Interpret the 
graph, and pose questions such as: 
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under natural conditions? How does that 
compare with current conditions? Why has 
WKLVFKDQJHLQÀRZRFFXUUHG 
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natural conditions? How does that compare 
with current conditions? Why has this change 
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to communities that depend on water for 
their livelihood. 
– Describe potential problems that these 
developments may cause. 
Flow (ML/day) 
35,000 Natural conditions 
30,000 
25,000 
20,000 
15,000 
10,000 
5,000 
0 
Current conditions 
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 
77 | The Murray-Darling Basin Balancing the priorities of agriculture and the environment 
Courtesy Murray-Darling Basin Authority 
*UDSK0HGLDQPRQWKOÀRZV±5LYHU0XUUDGRZQVWUHDPRIWKHDUUDZRQJD:HLU 
9
Challenges 
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throughout the year and from year to year. River regulation has altered the hydrology 
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permanent. This has had serious ecological consequences, because permanent water is 
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It has been calculated that because of river regulation: 
ǩ WKHDYHUDJHYROXPHRIPRQWKOȍRZVKDVJUHDWOUHGXFHG 
ǩ the duration of inundation of river red gum forests has reduced from an average of 
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ML/d 
Year 
40,000 
35,000 
30,000 
25,000 
20,000 
15,000 
10,000 
5,000 
0 
Natural Current 
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun 
Figure 2.5 Median monthly flows downstream of Torrumbarry Weir under natural and 
current conditions 
T H E L I V I N G M U R R A Y S T O R Y 23 
2 
10
Gunbower–Koondrook–Perricoota Forest icon site 
Waterbird monitoring in Gunbower Forest in January 2012 (photo by Anna Chatfield North Central CMA) 
WATERING THE ICON SITES—A SNAPSHOT (2011–2012) 12 
11
Murray–Darling Basin Authority 
13 
WATERING THE ICON SITES—A SNAPSHOT (2011–2012) 
The Gunbower–Koondrook–Perricoota Forest straddles 
the River Murray and covers about 51,081 hectares. 
Gunbower Forest is on the southern side in Victoria and 
the Koondrook–Perricoota Forest is on the northern side 
in New South Wales. The icon site is a highly significant 
conservation area and is listed under the Ramsar 
Convention on Wetlands (Gunbower Forest and Central 
Murray State Forests). It has a diverse range of habitats, 
including permanent and semi-permanent wetlands, 
creeks and open woodlands and is the second largest river 
red gum forest in Australia. 
Providing environmental water this year will build 
on recent environmental and unregulated (natural) 
flows to provide native fish with the opportunity to 
access different habitats and food resources within 
Gunbower Creek. 
Seasonal watering proposal for the Gunbower 
Forest, Gunbower Creek and Pyramid Creek 
2012–13, North Central CMA 
The Gunbower–Koondrook–Perricoota icon site depends on 
floods to sustain the forest, as rainfall alone is not sufficient. 
Under natural conditions, medium to high flows in the River 
Murray enter Gunbower Forest through channels distributing 
water into the wetlands of the forest. Under flood conditions, 
when volumes of water in the River Murray flow over the banks, 
large scale flooding occurs across the forest floodplain. River 
regulation has reduced the frequency of medium-sized spring 
floods by more than half. 
Prior to the high inflows and floods of 2010–11 only small 
areas of Gunbower Forest had been inundated since 2001, 
and Koondrook–Perricoota forests had not been flooded since 
1993. Relatively small volumes of environmental water had 
been delivered via regulators on Gunbower Creek to create 
critical drought refuge areas and maintain wetland vegetation 
communities in Gunbower Forest. However, the condition of 
eucalypts had steadily deteriorated since 2005. 
The icon site received its first extensive natural flooding in 
over ten years during 2010–11. Overbank flooding of the River 
Murray occurred as three major flooding ‘peaks’ of above 45,000 
megalitres a day inundated about 9,000 hectares of Gunbower 
Forest, and 27,000 hectares of Koondrook–Perricoota Forest, 
between September 2010 and January 2011. River Murray 
Unregulated Flows were diverted through the Gunbower Creek 
system to facilitate the recovery of native fish populations. 
Natural flooding occurred again during winter to early spring 
2011 and March 2012 refilling permanent and semi-permanent 
wetlands. The March 2012 floods resulted in overbank 
flows into the forest, watering about 14,700 hectares of 
Gunbower–Koondrook–Perricoota Forest and benefitting 
the creeks, forests and wetlands which were still recovering 
from the drought. 
Progress of the works 
New environmental regulators have been built, and older ones 
upgraded, in the Gunbower Forest (Victoria) to enable water to be 
delivered more efficiently to the lower forest. They will allow about 
2,500 hectares of the forest to be watered. 
Further construction, which will allow wide-scale watering of up to 
4,800 hectares of the forest, will soon commence. This will involve 
constructing a one kilometre channel by widening and depending 
and existing irrigation channel. A large off-take regulator will also 
be constructed to divert the flow of water from Gunbower Creek 
into Gunbower Forest. These water management structures will be 
used to shorten the gaps between natural floods and to ensure that 
environmental water is used more efficiently. Construction is due 
for completion in spring 2013. 
In the Koondrook–Perricoota Forest (New South Wales) the 
Torrumbarry Weir provides an opportunity for water to be diverted 
into the upstream end of the Koondrook–Perricoota Forest. 
Construction of a channel, levees and regulators has commenced 
and is expected to be completed in mid 2013. The structures will 
enable up to 16,000 hectares of the forest to be watered, as well as 
allow water to be returned directly to the River Murray. 
12
Environmental water delivered to 
Gunbower–Koondrook–Perricoota Forest 
in 2011–12 
During the 2011–12 year, water was provided to both Gunbower 
Creek and Gunbower Forest. Gunbower Creek provides an 
important route for environmental water to enter the Gunbower 
Forest and allows native fish to move into and out of the forest. 
Environmental watering included a spring flush, to stimulate 
fish spawning and migration, as well as summer watering to 
increase the area available for juvenile fish to access food and habitat. 
Water source Location Timing Volume (ML) 
The Living Murray Gunbower Creek Nov–Mar 6,056 
The Living Murray Gunbower Forest Dec–Feb 645 
Victoria’s unregulated 
Gunbower Creek Mar–May 4,935 
entitlement1 
TOTAL 11,636 ML 
1 This water was not from The Living Murray portfolio, but from Victoria’s 
environmental water unregulated entitlement and contributes to environmental 
outcomes at Gunbower Forest 
While environmental monitoring had shown that there was a 
good diversity of fish species in Gunbower Creek the abundance 
was low, indicating the potential for flows to improve the overall 
number of fish in the creek (Victorian Environmental Water 
Holder 2012–13). Further monitoring in early summer 2011 
indicated that the environmental watering was successful in 
stimulating the movement of a range of native fish species, in 
particular golden perch. 
The Living Murray environmental water was also delivered to 
Gunbower Forest to top up wetlands. This was to sustain bird 
breeding which had been triggered by natural high flows in 
early spring. 
Koondrook–Perricoota Forest received natural flows but was 
not targeted for environmental watering due to the construction 
of water management structures. 
The Thule Creek regulator (Koondrook–Perricoota Forest) under construction in March 2012 (photo by Jamie Hearn, Murray CMA) 
WATERING THE ICON SITES—A SNAPSHOT (2011–2012) 14 
13
F l o o d p l a i n v e g e t a t i o n p r o c e s s e s d u r i n g d r y p h a s e (MD B C , 2 0 0 7 a ) 
Ri v e r R e d G um F o r e s t s 
(S Q 1  S Q 2) 
Inundation for no greater than 
24 months, unseasonal (Summer- 
Autumn) or prolonged flooding 
leads to decline. 
Ri v e r R e d G um Wo o d l a n d 
(S Q 3) 
Prolonged flooding leads to decline. 
B l a c k B o x Wo o d l a n d 
Less frequent rainfall favours Black Box 
encroachment on River Red Gum 
Woodlands. 
F l o o d p l a i n D e pr e s s i o n 
Ma r s h e s 
Mo i r a G r a s s 
P l a i n s 
Minimum 2 months 
dry in Summer- 
Autumn to prevent 
Giant Rush 
Invasion. 
F l o o d p l a i n f a u n a p r o c e s s e s d u r i n g d r y p h a s e 
We t l a n d b i r d s 
Dry phases allow nutrient accretion to support algae and macrophyte growth upon rewetting. 
Essential for habitat value of marshes, especially for waterfowl. Remaining channels and marshes 
provide drought refuge and support sedentary populations of wetland birds (DSE, 2005). 
F i s h 
Make refuge movements into deeper waters during low flow periods. Shelter amongst woody 
debris provided by forests. Shelter and productivity of floodplain spawning grounds boosted by growth of 
algae and terrestrial plants during dry phase (Jones, 2006). 
G i a n t Ru s h  
R e e d B e d s 
Maintained in near-permanent 
wetlands. 
Persist through dry phase 
as dormant rhizomes on 
higher ground. 
I d e a l Dr y i n g P h a s e 
2-6 months dry in Summer-Autumn to 
maintain Moira Grass, allow nutrient 
accumulation in marshes and prevent 
waterlogging and decline of River Red 
Gums. 
14
Flooding requirements of floodplain vegetation associations (MDBC, 2007a) 
River Red Gum Forests 
40-92% of years 
for 5 months 
SQ2 
Flood tolerant 
grass understorey 
River Red Gum Woodland 
(SQ3) 
33-46% of years 
for 1-2 months 
Black Box Woodland 
14-33% of years 
1-4 months 
Floodplain Depression 
Marshes 
Giant Rush  
Reed Beds 
75-92% of years 
for 5 months 
Moira Grass 
Plains 
75-92% of years 
for 5 months 
SQ1 
Flood dependant 
sedge understorey 
Floodplain fauna processes during wet phase 
Wetland birds 
For breeding of colonial nesting waterbirds a flood pulse is required in Spring. High stable 
water levels should continue for two months with a gradual recession. Flood duration must be greater 
than four months. Suitable floods must occur within lifespan of species (DSE, 2005). Flooding 
increases ecosystem productivity stimulating arrival of migrants and breeding of sedentary waterbirds. 
Fish 
Fish move into off-stream areas via anabranches on rising flows. Water temperature and river flow rates 
provide cues for these movements. Flood extents and regulator design and operation must permit movement. 
Floodplains provide high productivity environments and shelter for spawning activity and juvenile fish (Jones, 2006) 
Mid Spring in ideal flood event 
Flood pulse in late Winter, flood peak in River 
Red Gum Woodland, receding after 2 months. 
Marshes and lowest River Red Gum Forests 
inundated for 5 months 
allowing fish and wetland birds to breed. 
15
Colonially nesting in flooded River Red Gums (Pied Cormorant other Cormorants, Egrets) 
Colonially nesting in flooded reed beds in Drainage Depression Marshes (Australian White Ibis other Ibis, Spoonbills) 
Nesting in a Large River Red Gum (Stag) (White-bellied Sea-Eagle) 
Waterfowl, Coot and Grebes (Paci!c Black Duck) Shallow or deeper open water foragers either vegetarian, omnivorous or feeding on !sh and crustaceans 
Pelican, Cormorants, Darter (Australian Pelican, Pied Cormorant) Deeper open waters feeding mainly on !sh 
Ibis, Spoonbills (Royal Spoonbill , Australian White Ibis) Shallow water mudats or wet grasslands, feeding mainly on animals (!sh and invertebrates) 
Egrets, Herons, Bitterns, Cranes (Australian Bittern*) Shallow water, bare mud and reedbeds, feeding on animals (large invertebrates, crustaceans, frogs and !sh) 
Crakes, Rails, Water Hens, Snipe (Australian Painted Snipe)* In shallow water, within cover of dense emergent vegetation or wet grassland. Some vegetarian, others mainly take invertebrates, some are omnivores 
Shorebirds (Black-fronted Dotterel) Shallow water, bare mud and salt marsh Feeding mainly on animals (invertebrates and some !sh) 
Gulls, Terns (Silver Gull ) Terns, over open water feeding on !sh; gulls, opportunistic feeders over a wide range of habitats. 
Raptors (White-bellied Sea-Eagle) Feed on !sh, carrion and water birds within large home ranges centred on aquatic habitat 
Songbirds (Australian Reed Warbler) Feed on invertebrates and nest in dense reed beds 
Kingfishers (Azure King!sher) Feed on terrestrial and aquatic vertebrates and large invertebrates. + 2 species less dependent on aquatic habitat. 
Bush Birds (Galah, Kookaburra) Roost, forage and nest in River Red Gums but not truly wetland-dependant 
* threatened species. 
- increase the area of foraging habitat 
- maintain flloodplain vegetation (foraging  roosting habitat) 
- release nutrients accumulated in dry phase into aquatic 
food webs 
- trigger breeding of prey species (fish and invertebrates) 
- trigger migration 
- trigger colonial nesting, provide extra food resources 
and protect nest sites 
River Red Gum Woodlands 
River Red Gum Forests 
Floodplain Depression Marshes 
In Stream Habitats 
Nesting Habitat 
Foraging Habitat 
Flood Events 
16
TYPES OF WATER MANAGEMENT STRUCTURES 
Regulators: water-controlling structures that can be opened or closed to produce 
FRQWUROOHGȍRRGLQJDQGGULQJRIZHWODQGVWRUHLQVWDWHPRUHQDWXUDOȍRRGFFOHV 
Channels: excavated creeks or waterways, sometimes with containment banks, 
used to direct water in or out of an area. 
Levee banks: earthen embankments that keep water inside a site that is being 
watered and enable placement of regulators for improved management. Levees 
SURWHFWQHLJKERXULQJSURSHUWLHVIURPȍRRGLQJDQGHQDEOHFRQWURORIWKHZDWHU 
GHSWKLQXQGDWLRQSHULRGDQGUDWHRIGUDZGRZQRIDȍRRGLQJHYHQW 
Fishways:VLWHVSHFLȌFVWUXFWXUHVWKDWDOORZȌVKWRSDVVWKURXJKRUDURXQG 
physical barriers such as dams, weirs and road crossings. Four types are being 
used in the Murray: 
ǩ YHUWLFDOVORWȌVKZDVZKLFKFRQVLVWRIDVHULHVRILQWHUFRQQHFWHGSRROV 
bypassing an obstruction such as a weir 
ǩ ORFNȌVKZDVZKLFKDWWUDFWȌVKWRDKROGLQJDUHDDWWKHEDVHRIWKHORFNZKLFK 
LVWKHQVHDOHGDQGȌOOHGZLWKZDWHUWRUHDFKWKHKHLJKWRIWKHZDWHUXSVWUHDPRI 
WKHEDUULHUVRWKDWȌVKFDQVZLPRXWRIWKHORFN 
ǩ URFNUDPSȌVKZDVDUWLȌFLDOUDSLGVPDGHIURPURFNVZKLFKSURYLGHDGLYHUVH 
ȍRZSDWKDQGDOORZȌVKWRSDVVRYHUORZZHLUV 
ǩ 'HQLOȌVKZDVZKLFKXVHDVHULHVRIEDIȍHVWRUHGXFHWKHȍRZRIZDWHU 
DOORZLQJȌVKWRVZLPDURXQGWKHEDUULHU 
Progress so far 
The initial focus of the program was mainly on identifying and testing feasible options 
IRUZRUNVDQGPHDVXUHVSURMHFWVWKDWZRXOGPHHWRUPDNHDELJFRQWULEXWLRQWR 
WKHHQYLURQPHQWDOZDWHUUHTXLUHPHQWVRIWKHVLWHV7KLVZDVDVLJQLȌFDQWH[HUFLVH 
ZKLFKbWRRNWKUHHWRIRXUHDUV 
The significance of The Living Murray has been identifying and having the 
chance to complete a range of water management works for improving the 
efficiency of water management. The budgets just weren’t around to even dare 
to design or think big. The Living Murray has enabled resource managers at all 
the icon sites to have a clean slate — ‘What do we actually require?’ — rather 
than being constrained by minuscule budgets. 
Keith Ward 
T H E L I V I N G M U R R A Y S T O R Y 59 
17
4mactoss 
rop of levee 
Compacted till from 
channel excavation 
or local borrow area. 
Pool created by inflows 
from Torrumbarry Weir 
Natural floodplain 
18
19
Fish 
=..- 
FISh Exit 
20
OF VICTORIA 
Spotted Dove 
length 30 cm 
(Introduced Species) 
Pied Currawong 
length 45 cm 
House Sparrow 
length 15 cm 
(Introduced Species) 
Eastern Rosella 
length 30 cm 
Crimson Rosella 
length 35 cm 
Yellow-tailed 
Black-Cockatoo 
length 60 cm 
Grey Butcherbird 
length 30 cm 
Red Wattlebird 
length 35 cm 
Red-browed Finch 
length 12 cm Noisy Miner 
length 25 cm 
Rainbow Lorikeet 
length 30 cm 
Willie Wagtail 
length 20 cm 
Tawny Frogmouth 
length 44 cm 
Laughing 
Kookaburra 
length 45 cm 
Sulphur-crested Cockatoo 
length 50 cm 
Common Blackbird 
length 27 cm 
(Introduced Species) 
Common (Indian) Myna 
length 25 cm 
(Introduced Species) 
Magpie-lark 
(Pee-wee) 
length 25 cm 
New Holland 
Honeyeater 
length 20 cm 
Australian 
Magpie 
length 40 cm 
Galah 
length 35 cm 
Eastern Spinebill 
length 15 cm 
Silvereye 
length 12 cm 
White-plumed 
Honeyeater 
length 16 cm 
Yellow-rumped 
Thornbill 
length 11 cm 
Superb Fairy-wren 
(female and male) 
length 14 cm 
For inquiries about birds and domestic gardens, contact: 
BIRDS IN BACKYARDS www.birdsinbackyards.net t (02) 9647 1875 
BIRDS AUSTRALIA www.birdsaustralia.com.au t 1300 730 075 21 
Printed on recycled paper.
Birds of our waterways and wetlands 
The birdlife of our waterscapes is full of variety and fascination. Over 100 different 
species use our wetlands and waterways for an important part of their life, perfectly 
adapted to the different habitats within those environments. Herons stalk in the 
shallows, swamphens feed on new shoots among the reeds, ducks and cormorants 
dive in deeper water, while large flocks of small wading birds scurry across the 
mudflats picking at tiny crustaceans. 
24 
22
Birds of our wetlands and waterways 
Name(s):____________________________________________________________ 
Record the birds you find at your waterbody (with a tick), add notes about what it is doing or 
where it is (e.g. perched in reeds, wading in shallow water). 
25 
Waterbirds 
Black swan 
Black Swans are very large birds with a long slender neck 
and red bill. They are usually seen gracefully gliding on the 
water or walking on the bank. 
□_________________________________ 
Grey teal 
These small birds are quick flyers and they can be found in 
pairs or large flocks feeding on aquatic plants in shallow 
water. The male’s call is a loud ‘pip’ while the female’s is a 
long laughing cackle. 
□_________________________________ 
Pacific black duck 
These ducks can be found on all types of water. They 
mainly eat seeds of aquatic plants but may also eat small 
crustaceans, molluscs and aquatic insects. 
□_________________________________ 
Hardhead 
Hardheads are dark brown ducks with a distinctive white 
eye and light blue tipped bill. They inhabit well vegetated 
swamps and open water areas. They dabble and dive for 
food such as invertebrates 
□_________________________________ 
23
Musk duck* (photo Rohan Clarke) 
Musk ducks have dark feathers and a short bill. They float 
low in the water so the tail is often under water. The male 
has a large lobe beneath the bill. They use their feet to 
make loud splashing noises when attracting a mate. They 
are often seen in deeper water where they dive for 
invertebrates, plants, frogs and fish. 
□_________________________________ 
Australian wood duck 
Wood ducks have a dark brown head with a short black 
beak and their call is a nasal ‘mnow’. They are often seen 
looking for food on grassy areas away from wetlands. 
□_________________________________ 
Eurasian coot 
Coots are easily recognised by their small dumpy dark 
bodies and pronounced white bill. They feed in shallow to 
deep water, diving for plant material, and when they swim 
their lobed feet cause jerky movements in the water. Their 
call can vary but is very sharp and noisy. 
□_________________________________ 
Dusky moorhen 
The Dusky moorhen is another small bird although very 
shy. When walking it jerks its tail and has a squawky call 
resembling a ‘kerrk’. They can be seen out in the open, 
however small flocks are sometimes seen on the open 
water. 
□_________________________________ 
Purple swamphen 
Purple swamphens are black on their back and wings with 
a purple-blue breast, belly and neck and a white under tail. 
They have a bright red bill and large red legs and feet. 
They feed on the shoots of reeds (and sometimes frogs 
and snails) in shallow water or on land. 
□_________________________________ 
26 
24
Swamp harrier* (photo Rohan Clarke) 
Harriers are related to eagles and hawks, which all have a 
hooked bill, long wings and strong talons. They are a 
greyish brown colour and lighter outer wing feathers. They 
glide low over wetlands watching for movements of any 
small animal to eat (small birds, frogs, fish, small 
mammals). 
□_________________________________ 
Osprey 
The Osprey is a medium-sized fish-eating bird of prey. It 
has dark brown upperparts and pale underparts. Ospreys 
are found on the coast and estuaries / wetlands near the 
coast. The Osprey feeds mainly on medium-sized live fish, 
which it does not swallow whole, but rips apart to eat. 
□_________________________________ 
Hoary-Headed grebe 
The Hoary-headed grebe is usually found away from the 
shoreline in large open waters, which may be estuarine, 
brackish or freshwater. The Hoary-headed Grebe feeds on 
aquatic invertebrates, mostly caught by deep diving. 
□_________________________________ 
Darter 
The Darter is a large, slim water bird with a long snake-like 
neck, sharp pointed bill, and long, rounded tail. It prefers 
smooth, open waters, for feeding, with tree trunks, 
branches, stumps or posts fringing the water, for resting 
and drying its wings. The Darter catches fish with its sharp 
bill partly open while diving in water deeper than 60 cm.. 
□_________________________________ 
Pied cormorant 
Pied cormorants have black feathers on their back, wings, 
tail and top of the head, with white underneath. They feed 
by diving for fish and invertebrates. 
□_________________________________ 
27 
25
Little black cormorant 
Often seen with pelicans they often herd fish in groups, 
diving down to catch them. Unlike most water birds their 
bodies are not water resistant and so must dry their 
plumage frequently. They nest in low trees in wetlands and 
have a hoarse croaking call. 
□_________________________________ 
Australian pelican*(photo Jen Mitchell) 
Pelicans are very large birds which are mainly white with 
black and have a long pink bill used for catching fish. 
Found in both fresh and salt water environments. 
□_________________________________ 
White-faced heron* (photo Jen Mitchell) 
White-faced heron have a grey body and white face. They 
are good flyers but not good swimmers as they don’t have 
webbed feet. They have a long slender beak, perfect for 
catching small fish, and are perched atop their long slender 
legs, enabling them to peer through the water. 
□_________________________________ 
Great egret 
Egrets are large bids with unwebbed feet, long legs and 
bills. Great egrets have white feathers, a yellow bill and 
dark legs. They wade in shallow water to feed on fish, 
frogs, invertebrates and reptiles. 
□_________________________________ 
Yellow-billed spoonbill* (photo Michael Taylor) 
Yellow-Billed spoonbills are found throughout Australia’s 
freshwater environments which is their ideal habitat. They 
have a long, yellow, spoon-shaped bill which they use to 
catch prey by ‘swishing’ it from side to side in the water. 
□_________________________________ 
28 
26
White ibis 
They have a white body with a black upper neck and 
unfeathered head. They often feed in large groups and 
mostly eat invertebrates, but also eat fish, frogs and 
garbage. Ibis can be found feeding in pastures, built up 
areas and garbage tips, as well as wetlands. 
□_________________________________ 
Black winged stilt 
Black-winged stilts are mainly white except for the black 
neck and wings. They have a long straight bill and long 
pink legs. They are usually seen in shallow water or on 
mud picking invertebrates from the surface. 
□_________________________________ 
Greenshank 
Greenshank are a mix of brown and white on the back and 
white underneath. They have a long slightly up-turned bill. 
They feed in shallow water for invertebrates or fish. 
Greenshank breed in northern Asia (Siberia) and migrate 
to southern Australia in our spring / summer. 
□_________________________________ 
Silver gull* 
Normally considered a coastal bird they’re often spotted 
around wetlands and rivers. Gulls can be very vocal 
making a variety of loud and soft calls. 
□_________________________________ 
Crested tern 
Crested terns have a pale yellow bill, scruffy black crest, 
grey wings and back, and a white neck and underparts. 
They are aerial feeders that dive into the water to catch 
their prey. 
□_________________________________ 
29 
27
Grey fantail 
Grey fantails are very similar to Willy wagtails in that they 
are very active and continuously wave their tails. The Grey 
fantail feeds on flying insects, which it catches by chasing 
them from the edge of foliage at all levels in the canopy. 
□_________________________________ 
30 
Bush birds often found near waterbodies 
Sacred kingfisher 
Sacred Kingfishers are related to Kookaburras. They are 
mainly turquoise, with off-white underparts and a cream 
collar. They feed on crustaceans, reptiles, insects and their 
larvae and, occasionally, fish. The birds perch on low 
exposed branch on the lookout for prey. 
□_________________________________ 
Magpie lark (Mudlarks) 
These birds build their nest from mud, bound and lined with 
grasses. They mainly feed on insects and other small 
invertebrates and have a clear ringing “pee-wit” or “pee-o-wit” 
call which is heard particularly early in the morning. 
□_________________________________ 
Australian ringneck (Twenty eight) 
The Australian ringneck is a large green parrot with a 
yellow hind collar. They whistle and make a call that 
sounds like ‘twenty eight’, hence their common name. 
When they fly they rise and fall and their food includes 
eucalypt seeds, flowers and fruits and grasses. 
□_________________________________ 
Galah 
Galahs are well known for their pink and grey colouring 
and loud screeches. Galahs form huge, noisy flocks which 
feed on seeds, mostly from the ground. They mostly nest in 
tree hollows and form permanent pair bonds. 
□_________________________________ 
There are many other types of birds that are found in and near wetlands, creeks and rivers. If you see a bird 
that is not covered here, write or sketch a description and use a website or bird field guide to help you 
identify it. Try: http://www.birdsinbackyards.net/finder/ 
28
NATIVE FISHES 
OF THE MURRAY!DARLING BASIN 
There are 46 species of native fish in the Murray–Darling Basin, 
ranging from tiny gudgeons and pygmy perch to the Murray cod 
which can reach 1.8 m and 113.5 kg. 
Populations of many native fish species in the Basin have 
declined over the past 50 years, mainly due to habitat loss 
or modification, barriers to fish movement and the effects of 
introduced species. 
Murray cod 
(Maccullochella peelii) 
Endangered. Commonly 45-65 cm. 
Australia’s largest freshwater fish; it has 
been recorded up to 1.8 m and 113.5 kg. 
Found throughout most of the Basin, 
except for upper reaches of the southern 
tributaries. Has been introduced into many 
lakes and dams. 
Un-specked hardyhead 
(Craterocephalus stercusmuscarum fulvus) 
Commonly 5-7 cm. Formerly widespread, but 
has declined and is now threatened. More 
common in the northern Basin and patchily 
found in the middle and lowland sections of 
rivers and some tributaries in the south. 
Australian smelt (Retropinna semoni) 
Commonly 4-7 cm. Has been recorded in most 
lowland streams of the Basin, preferring slow-moving 
or still water in a variety of habitats. 
Murray–Darling rainbowfish 
(Melanotaenia fluviatilis) Commonly 
5-7 cm. Generally restricted to 
backwaters, billabongs and slow-flowing 
areas throughout the Basin. 
Macquarie perch 
(Macquaria australasica) 
Threatened. Commonly 25-35 cm. Typically 
found in the cool, upper reaches of the 
River Murray system in Vic, NSW and the 
ACT. Most remaining populations small 
and isolated. 
Trout cod (Maccullochella macquariensis) 
Commonly 40-50 cm. Endangered. Once 
widespread but now reduced to only small 
breeding populations, the largest of which 
is in the River Murray between Yarrawonga 
and Barmah. 
Western carp gudgeon (Hypseleotris klunzingeri) 
Commonly 3-5 cm. As a group, carp gudgeons are 
widespread and common at mid-to-lower altitudes in 
the central and southern Basin. 
Short-finned eel (Anguilla australis) 
Commonly 70 cm. Primarily a fish of 
coastal streams outside of the Basin, 
although occasionally recorded in 
inland streams. 
Purple-spotted gudgeon 
(Mogurnda adspersa) 
Commonly 4-5 cm. A threatened 
species mostly found in the upper 
eastern reaches of the Basin. 
Olive perchlet 
(Ambassis agassizii) 
Commonly 4-6 cm. Formerly 
widespread in the Murray– 
Darling Basin, now largely 
restricted to the northern Basin. 
Golden perch 
(Macquaria ambigua) 
Commonly 25-45 cm. 
Widespread throughout 
lowland, slow flowing 
rivers of the Basin. 
Silver perch (Bidyanus bidyanus) 
Threatened. Commonly 30-45 cm. Formerly widespread 
over much of the Basin excluding the most upper reaches, 
it has declined over most of its range to occasional 
populations in the mid-Murray. 
Spangled perch (Leiopotherapon unicolour) 
Commonly 10-20 cm. Australia’s most 
widespread native freshwater fish. In the Basin 
it occurs in the north and west, primarly north 
of Condoblin. 
Bony herring (Nematalosa erebi) 
Commonly 10-20 cm. Widespread 
in the majority of Basin’s lowland 
rivers, where they are often the most 
abundant native species. Largely 
absent from upland rivers. 
Freshwater catfish 
(Tandanus tandanus) 
Commonly 30-45 cm. 
Widespread throughout the 
Murray–Darling Basin, but 
generally in the lower, slow-flowing 
rivers. 
Images: 
Gunther Schmida, Neil Armstrong 
29
INTRODUCED FISHES 
OF THE MURRAY!DARLING BASIN 
Eleven introduced or alien species of fish have 
been recorded in the Murray–Darling Basin. 
The range and impacts of each species on the 
environment and on native fish varies. Some 
fish were introduced for recreational angling 
while others were introduced through the 
aquarium trade. 
Redfin perch (Perca fluviatilis) 
Commonly 40 cm and 1-2 kg. Widely 
distributed throughout the southern part of 
the Basin, mainly occurring in slow-flowing or 
still water habitats such as lakes, billabongs 
and swamps. Redfin are voracious predators 
of other fish and invertebrates. They carry a 
virus that affects many native fish. 
Carp (Cyprinus carpio) 
Commonly 4-5 kg. Widely distributed in slopes 
and lowland rivers and creeks as well as upland 
streams. Carp often comprise between 70-90% 
of the fish biomass in lakes and streams. Carp 
can tolerate low oxygen levels and higher levels 
of pollutants and turbidity than many native 
fish. Their feeding behaviour affects water 
quality. 
Tench (Tinca tinca) 
Usually 10-30 cm. Primarily 
restricted to Victoria. Often 
abundant in off-channel habitats 
such as backwaters and lagoons 
and in deep, sheltered holes. 
Goldfish (Carassius auratus) 
Commonly 20 cm. Widespread 
in the Murray–Darling Basin. 
Eastern gambusia (Gambusia holbrooki) 
Females usually 6 cm, males smaller. 
Widely distributed throughout the Basin, 
commonly found in farm dams, slow-flowing 
waters and shallow wetlands. 
A high reproductive rate means it often 
greatly outnumbers native species. 
Oriental weatherloach 
(Misgurnus anguillicaudatus) 
Usually 16-19 cm. Now established throughout 
the entire Basin. The oriental weatherloach can 
burrow to escape predators and move overland 
to disperse, giving it a competitive edge over 
native species. 
Atlantic salmon 
(Salmo salar) 
Commonly 1-3 kg. Only found in 
areas where the species has been 
stocked for recreational fishing. 
Brown trout (Salmo trutta) 
Commonly 1-4 kg. Forms the basis 
of important recreational fisheries in 
south-eastern Australia and is widely 
distributed in the cool upland streams 
and lakes of the Murray–Darling Basin. 
Roach (Rutilus rutilus) 
Commonly 15-20 cm. 
Occasionally recorded in the 
Victorian waters of the Murray– 
Darling Basin. 
Rainbow trout 
(Oncorhynchus mykiss) 
Commonly 1-4 kg. Popular 
species for recreational 
fishing. Widely distributed 
in the cooler upland 
streams of the Basin. 
Brook char 
(Salvelinus fontinalis) 
Commonly 80-85 cm. Not 
common in the Murray– 
Darling Basin. 
Images: 
Gunther Schmida, 
Neil Armstrong 
Tilapia (Oreochromis mossambicus) 
Commonly 20 cm. A hardy, adaptable 
and rapid breeder, Tilapia thrives in 
even highly disturbed watercourses. 
With several established breeding 
populations in southern Queensland, 
spread into the Basin is a high risk. NEW THREAT 
30
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Gunbower forest environmental watering resource booklet.

  • 2. 2
  • 3. Icon sites of the River Murray Printed on 100% recycled paper. February 2007. Barmah–Millewa Forest Australia’s largest River Red Gum Forest. The Barmah–Millewa Forest is the largest River Red Gum forest in Australia, covering 66,000 hectares of floodplain. Many threatened native plants, birds, fish and reptiles make this wetland their home. Spring floods keep River Red Gums healthy, and provide habitat and breeding sites for vast numbers of colonial waterbirds, including threatened Egret species. Photo: Keith Ward. Gunbower–Koondrook– Perricoota Forest Australia’s second largest River Red Gum Forest. The Gunbower–Koondrook–Perricoota Forest covers around 50,000 hectares and is home to many threatened native plants and animals. The forest wetlands are important breeding places for waterbirds and native fish. The area is also an essential destination for waterbirds listed under treaties with Japan and China to protect endangered migratory birds. Photo: North Central CMA. Hattah Lakes A unique collection of semi-permanent freshwater lakes. The 17 semi-permanent freshwater lakes form the Hattah Lakes system support River Red Gum communities and a variety of native plants and animals. The lakes are also important breeding places for waterbirds. Photo: Andy Wise. Chowilla Floodplain and Linsday–Wallpolla islands A significant semi-arid floodplain ecosystem. Chowilla Floodplain is one of the only reaches of the lower Murray floodplain not used for irrigation, preserving much of its natural character. Covering 17,700 hectares, it is an area of national significance because of the unique occurrence of wetlands in the normally semi-dry environment. The Lindsay–Wallpolla islands cover almost 20,000 hectares of floodplain and support many threatened plants and animals, and a number of native fish. Photo: Caroline Fisher. Lower Lakes, Coorong and Murray Mouth One of Australia’s most unique and significant estuaries. The Lower Lakes, Coorong and Murray Mouth include an area of approximately 140,000 hectares, covering 23 different wetland types, from very fresh to more saline than the sea. This icon site is where the River Murray meets the sea, is one of the 10 major havens for large concentrations of waterbirds in Australia, and is one of the few havens found south of the Tropic of Capricorn. Thirty-three of the bird species found here are listed under international treaties to protect endangered migratory birds. The Coorong is 140 km long and ranked among the top six waterbird sites in Australia based on the diversity and number of species found there. However, a lack of water flowing to this area has severely impacted upon its health, with only one-quarter of the ecological system still supporting its native fish, birds and plants. Photo: John Baker. River Murray Channel The artery that connects the whole River system. The River Murray channel is the ‘main artery’ of the river and extends over 2,150 km (river distance) from the Hume Dam to Wellington in South Australia. It includes the River bed and banks, in-stream habitat, and anabranches and wetlands that are not part of other icon sites. Photo: John Baker. Murray-Darling Basin Commission GPO Box 409, Canberra, ACT 2601 tel. 02 6279 0100 email. thelivingmurray@mdbc.gov.au www.thelivingmurray.mdbc.gov.au The Living Murray program was established in 2002 in response to evidence that the health of the River Murray system was in decline. The Living Murray’s first stage focuses on improving the environment at six ‘icon sites’ along the River. The sites were chosen for their high ecological value— most are listed as internationally significant wetlands under the Ramsar Convention—and also their cultural significance to Indigenous people and the broader community. Through The Living Murray program, action is underway to provide water to these sites and support natural environments unique to the Australian landscape. 3
  • 4. Murray River Reserves S Gunbower State Forest and Torrumbarry to Echuca E The Murray River, with its majestic River Red Gums, sandy beaches and a large variety of wildlife, provides the ideal backdrop for camping and a range of water-based recreation. T A haven for plants and animals O The Murray River Parklands, with their majestic River Red Gums and forests provide an important habitat for a variety of plants and animals. Kangaroos and emus are common along the N reserve. Keep an eye out for some of the koalas that have been released here. Over 200 species of birds have been recorded K and the river is one of the largest breeding grounds for waterbirds in Victoria. The river is also a breeding ground for native fish species such as A rich human history the Murray Cod and Golden Perch. R Gunbower Island, near Cohuna, has a water For thousands of years, local indigenous people frontage of 130 kilometres and the 20,000ha state have lived along the Murray River. When forest covers about 80 percent of the island. Until A exploring you may discover shell middens (kitchen damming, the red gum and box forests were hearths), burials and scar trees testifying to a rich flooded every year and today still depend on the human history spanning more than 10,000 years. occasional inundation. The island supports Please respect these Australian heritage sites – protected populations of kangaroos, emus, they are protected by law. P goannas, possums, snakes and 160 different Enjoying the park species of birds. The island is a RAMSAR listed wetland. Fishing for Murray Cod, Golden Perch and Redfin Hunting for pest animals on Gunbower Island is is a popular pastime. permitted only in areas outside of the sanctuary, provided you have a current permit to hunt on A current NSW Freshwater Recreation Fishing Crown Land. Licence is required for the Murray River. A Victorian Recreational Fishing Licence is required Accommodation for fishing in waters south of the Murray River. Camping - There are designated camping areas The nearby towns of Koondrook, Cohuna, at Wills Bend near Echuca with toilets provided Gunbower, Torrumbarry and Echuca all have between Christmas and Easter. All other areas caravan parks, motels and bed and breakfast have basic bush camping. accommodation options. Boating and canoeing are popular on the Murray How to get there River. The canoe trail at Safes Lagoon is a great spot for canoeing. Gunbower State Forest and Torrumbarry to Echuca are along the Murray River between Swimming is a popular activity, particularly at the Echuca and Koondrook around 250km north of numerous sandy river bend beaches. Melbourne. Access to the major entrances is via Note: Take care when swimming - cold water and the Murray Valley Highway. fast currents can be hazardous and there may be submerged logs. Diving or jumping into the water can be dangerous. Walking – There are many short and long walks throughout the area. A circuit walk of Gunbower Island will take 7-8 hours. Scenic drives along the river are also popular. Printed on Australian-made 100% recycled paper December 2006 &ORMOREINFORMATIONCALLTHE0ARKS6ICTORIA)NFORMATION#ENTRE ONORVISITOURWEBSITEATWWWPARKWEBVICGOVAU 4
  • 5. !#$% !% 5*$) 5)**$ (-4' 3/: +'! ,- 647$U8 ($2 .* (/#0+ !% ,1) !#$% !2-0+(- !% '()* !#$% ,1) 3$2K(#K($2 (#*'$K=8#K($2 OR 3*48- ($2 ($2 OQ ($2 34*++1 (*$$/$K($2 ($2 !#$% (!#!-334% !% 7+ 6-*$ ($2 6*:*' ($2 . -#. $-2'# %--.--% )#(!3 4#2#0 -#. ,1) $-2'# ,(5#. !##$% $''(% -#. -#. )*+),$% .#5!-( . %#**'2 /)*0-'!2 . 6))( -#. ). ,() -7),55*( 5),!$21,55)3. !2-0+(-( %,$$- 4,.8) . 4))!- $-2'# 5),!$21,55) . 4)#% $)!) !% $2)!!5) 8#) 4)#% !##$ %#' !#$ -).+ ())*+ %,$$- (.##./0.#1 %#' (## %#' ($2 %#' 9: ;#- ($2 ?*#@@,* 5)**$ ;.$0*# ;.$0*# %#' =21 5)**$ =*0#+@*$ ($2 6A==B! =CDE= G,1-$2 5)**$ F.#$ 5)** 5*$)/*# 5)**$ A::# %#' F1-*# %#' 6471 68-- ;.$0*# %*4'+** 5)**$ HIJKKKC35BL9 68$ L*MKN (-- ($2 ?*#@@,* 5)**$ 3-.),+# ?*.@ ($2 F1-*# 5)**$ %,$$- %#' OP ($2 ;.$0*# %*,.$ L.#@#1 ($2 L*MKP L.#@#1 ($2 L*MKN L.#@#1 ($2 L*MKS (-4' 58++- 5)**$ =21 5)**$ %*#2.#*1 3/: %#' L*MKPTS %,$$- %#' F*##./0##1 L*MKS (#,/ 68-- ($2 (#*$ ($2 %,$$- 64%.+4,-- ($2 6*#+*$ ($2 L.)$+ ($2 68-#+*$ ($2 L*MKS 68$ %,$$- 3*#8)$ ($2 68$ %,$$- %-./: ($2 %,8$/$ ($2 =CDE= 6A==B! =8# 3V@ 5)**$ ;IBF C35BL9 64%-.# ($2 %/+#1 ($2 ?-V1K($2 ;./ 5)**$ ;.$0*# %,$$- 3$21 64L0 ($2 ,--.,-- #/0 !#$%'( )*+*' ,%(')* )*+ ,%( 1 49:: 49:: $;= 49:: $;= $; 49:: $; !?3%@ABCD !?3!?AAEFGBAAH 233456337 +844898668 :3;/48 2--= '-?@;A- +/4B39-6 +844898668 C36?; D86;8E !I?FJK?CK /@LA !#$%'( -).+#/ )*+*' ,%(')* !#$%'( -).+#/ )*+*' ,%(')* 5?CD +MBLC 8A@HK +MBLC 0%%#/(%%0 )*+*'1,%(')* !#$%' ! BN@N?EAK@3333336MBO F-98G- H6-8?E-4? I345J C (,. F K * : HK # * $ )2'#3' $(-/!' '/3+*-%# +('+ CK#H) ,(FH(#C HKH$'.L*#( D$C.M*FH#*:H CK#H) ($FH(#C HKH$'.L*#( D$C.M*FH#*:H (E/ 6?A3PEAOI@A3Q@OBLM@Q3FBJ3LCP?AFBOL?C3H?E3NBC3NI@NR ?EO3OILK30EAABH3LS@A3#NN@KK38ELQ@3BOT 999N08679-BNA@NG3AN8/3BCQ3M??R3P?A 0EAABH3LS@A3@K@AS@K3U3)NIENB3O?3?GLCSBM@ 5 HIPWELL REGULATOR ORIELLY'S RD Yarran Creek Reedy Lagoon
  • 6. Environmental Watering in Victoria 2007/08 | 9 GUNBOWER FOREST Gunbower Forest is a River Red Gum floodplain ecosystem of the River Murray in central northern Victoria. The forest is on an island of about 20,000ha between the River Murray and Gunbower Creek. The Need for Water River Red Gum forests provide unique and important wetland habitats. The forests’ deepest depressions also include semi-permanent wetlands. These wetlands are highly productive habitats with diverse plant communities and a variety of invertebrates, fish, frogs and waterbirds. Because of their seclusion and the food they provide, these wetlands are the main breeding sites for colonial nesting waterbirds on the River Murray. During the prolonged drought, most forest wetlands in Victoria and New South Wales have dried out. Wetland animals have fewer places to find food and breed. Fish, turtles and waterbird populations are declining and are relying on refuge habitats to survive the drought. In 2007, the number of waterbirds in south-eastern Australia was less than one third of that in an average year. 6
  • 7. 10 | Environmental Watering in Victoria 2007/08 Watering Aims Environmental water was delivered to Gunbower Forest in 2007/08 to protect critical wetland refuge areas. A small number of Gunbower Forest’s diverse wetlands are close to their natural state, making them an ecological reference point for the condition of wetlands across the whole River Murray floodplain. Watering in the past has maintained these important wetlands, keeping the River Red Gum trees that fringe them healthy, maintaining the plant communities and supporting waterbird breeding events. Watering in 2007/08 aimed to provide feeding habitat and help maintain waterbird populations during the drought. If bird breeding occurred as a result of the watering, it would be considered a major bonus. Watering Details In 2007/08, 7708ML was provided to Gunbower Forest. It consisted of 5708ML from the Victorian River Murray Flora and Fauna Bulk Entitlement and 2000ML from The Living Murray program. The water was delivered between April and May 2008. The Little Gunbower Wetland Complex received 2300ML over 12 days, released from Gunbower Creek. This achieved a depth of up to 1m in the complex and inundated 310ha. The water lasted throughout spring and into summer. Releasing 5408ML from Gunbower Creek to the Little Reedy Wetland Complex filled the complex and spilled downstream through the forest to inundate 543ha of the Whistler Wetland Complex. Left: Mel Tranter, North Central Catchment Management Authority. Right: Sharada Ramamurthy, Department of Sustainability and Environment. Opposite page, from top: Sharada Ramamurthy, Department of Sustainability and Environment. Kathryn Stanislawski, North Central Catchment Management Authority. 7
  • 8. Environmental Watering in Victoria 2007/08 | 11 Outcomes The watering provided a drought refuge for important plants and animals. Aquatic invertebrates Aquatic invertebrates are one of the first food sources to appear in flooded wetlands. In June 2008, the wetlands were quickly colonised by a range of crustaceans and midge larvae. By September, larger invertebrates were common including diving beetles, caddisfly and yabbies. Frogs and turtles Turtles started laying eggs soon after the water was delivered. Six frog species have been recorded in the forest in recent years and all were recorded again following the watering. Three species bred in September: peron’s tree frogs, common froglets and spotted marsh frogs. Fish Nine species of fish, including five native species, were present in the wetlands after the watering. Carp screens stopped large carp entering the Little Gunbower Wetland Complex, which would have reduced the watering’s success. Native fish were prominent in the wetlands. Three native species bred after the watering: carp gudgeon, Australian smelt and unspecked hardyhead. Birds The wetlands attracted waterfowl, waders, raptors and colonial nesting waterbirds. Ducks and grebes were the most abundant with more than 200 birds counted, including mountain ducks and hoary-headed grebes. These birds made use of the open water in the wetlands and the food provided by soft-leaved wetland plants and aquatic invertebrates. Breeding behaviour was initiated by great egrets but did not continue through to nesting, possibly because the area watered was too small. The Eagle Tree A unique part of the Gunbower Forest environmental watering program was a public water donation to rescue the Eagle Tree (pictured). The tree is one of the largest and oldest River Red Gums in the forest. It has a girth of 11m and is 50m tall. It is believed to be more than 1000 years old. In the past, white-bellied sea eagles have nested there and more recently the tree has been used by wedge-tailed eagles for nesting. The tree has shed most of its leaves and is in danger of dying because of the drought. A concerned member of the public donated 1ML and the community rallied together to save the tree. Local State Emergency Service members created a bank with sandbags to hold the water around the tree. The Gannawarra Shire provided tankers to cart the water to the tree between January and April 2008. Before watering, the tree’s canopy had declined to 20 per cent. After the watering, the canopy increased to 40 per cent, giving the tree a much greater chance of surviving the drought. 8
  • 9. Part B: What effect does regulating the river KDYHRQLWVÀRZ ‡ 8VHGraph 4.1 to highlight the changes to ULYHUÀRZVLQDVHFWLRQRIWKH0XUUD5LYHURYHU a year compared to QDWXUDOÀRZV. Interpret the graph, and pose questions such as: ±,QZKDWPRQWKVVHDVRQDUHÀRZVKLJKHVW under natural conditions? How does that compare with current conditions? Why has WKLVFKDQJHLQÀRZRFFXUUHG ±,QZKDWPRQWKVVHDVRQDUHÀRZVORZHVWXQGHU natural conditions? How does that compare with current conditions? Why has this change LQÀRZRFFXUUHG ‡ :HLUVDQGGDPVDUHXVHGWRUHJXODWHZDWHU ±'HVFULEHWKHEHQH¿WVRIWKHVHGHYHORSPHQWV to communities that depend on water for their livelihood. – Describe potential problems that these developments may cause. Flow (ML/day) 35,000 Natural conditions 30,000 25,000 20,000 15,000 10,000 5,000 0 Current conditions Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 77 | The Murray-Darling Basin Balancing the priorities of agriculture and the environment Courtesy Murray-Darling Basin Authority *UDSK0HGLDQPRQWKOÀRZV±5LYHU0XUUDGRZQVWUHDPRIWKHDUUDZRQJD:HLU 9
  • 10. Challenges 8QGHUQDWXUDOFRQGLWLRQVWKHULYHUȍRZDW*XQERZHUǞ.RRQGURRNǞ3HUULFRRWDYDULHG throughout the year and from year to year. River regulation has altered the hydrology RIWKHIRUHVWVPRVWQRWDEOLQUHGXFLQJWKHIUHTXHQFRIPHGLXPVL]HGVSULQJȍRRGV )ORZbUHJXODWLRQKDVEHHQLGHQWLȌHGDVDPDMRUWKUHDWWRWKHKHDOWKRIWKLVVLWH 7KHUHGXFWLRQLQIUHTXHQFRIVPDOOUHJXODUȍRZSHDNVLQODWHZLQWHUDQGVSULQJKDV FUHDWHGDZDWHUGHȌFLWZKLFKKDVFDXVHGVRPHSHUPDQHQWZHWODQGVWREHFRPHVHPL permanent. This has had serious ecological consequences, because permanent water is DQLPSRUWDQWUHTXLUHPHQWIRUIDXQDVXFKDVVPDOOȌVKDQGFRORQLDOQHVWLQJZDWHUELUGV It has been calculated that because of river regulation: ǩ WKHDYHUDJHYROXPHRIPRQWKOȍRZVKDVJUHDWOUHGXFHG ǩ the duration of inundation of river red gum forests has reduced from an average of ȌYHPRQWKVWRWZRPRQWKVSHUHDU ǩ WKHIUHTXHQFRIPHGLXPVL]HGVSULQJȍRRGLQJKDVPRUHWKDQKDOYHG ML/d Year 40,000 35,000 30,000 25,000 20,000 15,000 10,000 5,000 0 Natural Current Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Figure 2.5 Median monthly flows downstream of Torrumbarry Weir under natural and current conditions T H E L I V I N G M U R R A Y S T O R Y 23 2 10
  • 11. Gunbower–Koondrook–Perricoota Forest icon site Waterbird monitoring in Gunbower Forest in January 2012 (photo by Anna Chatfield North Central CMA) WATERING THE ICON SITES—A SNAPSHOT (2011–2012) 12 11
  • 12. Murray–Darling Basin Authority 13 WATERING THE ICON SITES—A SNAPSHOT (2011–2012) The Gunbower–Koondrook–Perricoota Forest straddles the River Murray and covers about 51,081 hectares. Gunbower Forest is on the southern side in Victoria and the Koondrook–Perricoota Forest is on the northern side in New South Wales. The icon site is a highly significant conservation area and is listed under the Ramsar Convention on Wetlands (Gunbower Forest and Central Murray State Forests). It has a diverse range of habitats, including permanent and semi-permanent wetlands, creeks and open woodlands and is the second largest river red gum forest in Australia. Providing environmental water this year will build on recent environmental and unregulated (natural) flows to provide native fish with the opportunity to access different habitats and food resources within Gunbower Creek. Seasonal watering proposal for the Gunbower Forest, Gunbower Creek and Pyramid Creek 2012–13, North Central CMA The Gunbower–Koondrook–Perricoota icon site depends on floods to sustain the forest, as rainfall alone is not sufficient. Under natural conditions, medium to high flows in the River Murray enter Gunbower Forest through channels distributing water into the wetlands of the forest. Under flood conditions, when volumes of water in the River Murray flow over the banks, large scale flooding occurs across the forest floodplain. River regulation has reduced the frequency of medium-sized spring floods by more than half. Prior to the high inflows and floods of 2010–11 only small areas of Gunbower Forest had been inundated since 2001, and Koondrook–Perricoota forests had not been flooded since 1993. Relatively small volumes of environmental water had been delivered via regulators on Gunbower Creek to create critical drought refuge areas and maintain wetland vegetation communities in Gunbower Forest. However, the condition of eucalypts had steadily deteriorated since 2005. The icon site received its first extensive natural flooding in over ten years during 2010–11. Overbank flooding of the River Murray occurred as three major flooding ‘peaks’ of above 45,000 megalitres a day inundated about 9,000 hectares of Gunbower Forest, and 27,000 hectares of Koondrook–Perricoota Forest, between September 2010 and January 2011. River Murray Unregulated Flows were diverted through the Gunbower Creek system to facilitate the recovery of native fish populations. Natural flooding occurred again during winter to early spring 2011 and March 2012 refilling permanent and semi-permanent wetlands. The March 2012 floods resulted in overbank flows into the forest, watering about 14,700 hectares of Gunbower–Koondrook–Perricoota Forest and benefitting the creeks, forests and wetlands which were still recovering from the drought. Progress of the works New environmental regulators have been built, and older ones upgraded, in the Gunbower Forest (Victoria) to enable water to be delivered more efficiently to the lower forest. They will allow about 2,500 hectares of the forest to be watered. Further construction, which will allow wide-scale watering of up to 4,800 hectares of the forest, will soon commence. This will involve constructing a one kilometre channel by widening and depending and existing irrigation channel. A large off-take regulator will also be constructed to divert the flow of water from Gunbower Creek into Gunbower Forest. These water management structures will be used to shorten the gaps between natural floods and to ensure that environmental water is used more efficiently. Construction is due for completion in spring 2013. In the Koondrook–Perricoota Forest (New South Wales) the Torrumbarry Weir provides an opportunity for water to be diverted into the upstream end of the Koondrook–Perricoota Forest. Construction of a channel, levees and regulators has commenced and is expected to be completed in mid 2013. The structures will enable up to 16,000 hectares of the forest to be watered, as well as allow water to be returned directly to the River Murray. 12
  • 13. Environmental water delivered to Gunbower–Koondrook–Perricoota Forest in 2011–12 During the 2011–12 year, water was provided to both Gunbower Creek and Gunbower Forest. Gunbower Creek provides an important route for environmental water to enter the Gunbower Forest and allows native fish to move into and out of the forest. Environmental watering included a spring flush, to stimulate fish spawning and migration, as well as summer watering to increase the area available for juvenile fish to access food and habitat. Water source Location Timing Volume (ML) The Living Murray Gunbower Creek Nov–Mar 6,056 The Living Murray Gunbower Forest Dec–Feb 645 Victoria’s unregulated Gunbower Creek Mar–May 4,935 entitlement1 TOTAL 11,636 ML 1 This water was not from The Living Murray portfolio, but from Victoria’s environmental water unregulated entitlement and contributes to environmental outcomes at Gunbower Forest While environmental monitoring had shown that there was a good diversity of fish species in Gunbower Creek the abundance was low, indicating the potential for flows to improve the overall number of fish in the creek (Victorian Environmental Water Holder 2012–13). Further monitoring in early summer 2011 indicated that the environmental watering was successful in stimulating the movement of a range of native fish species, in particular golden perch. The Living Murray environmental water was also delivered to Gunbower Forest to top up wetlands. This was to sustain bird breeding which had been triggered by natural high flows in early spring. Koondrook–Perricoota Forest received natural flows but was not targeted for environmental watering due to the construction of water management structures. The Thule Creek regulator (Koondrook–Perricoota Forest) under construction in March 2012 (photo by Jamie Hearn, Murray CMA) WATERING THE ICON SITES—A SNAPSHOT (2011–2012) 14 13
  • 14. F l o o d p l a i n v e g e t a t i o n p r o c e s s e s d u r i n g d r y p h a s e (MD B C , 2 0 0 7 a ) Ri v e r R e d G um F o r e s t s (S Q 1 S Q 2) Inundation for no greater than 24 months, unseasonal (Summer- Autumn) or prolonged flooding leads to decline. Ri v e r R e d G um Wo o d l a n d (S Q 3) Prolonged flooding leads to decline. B l a c k B o x Wo o d l a n d Less frequent rainfall favours Black Box encroachment on River Red Gum Woodlands. F l o o d p l a i n D e pr e s s i o n Ma r s h e s Mo i r a G r a s s P l a i n s Minimum 2 months dry in Summer- Autumn to prevent Giant Rush Invasion. F l o o d p l a i n f a u n a p r o c e s s e s d u r i n g d r y p h a s e We t l a n d b i r d s Dry phases allow nutrient accretion to support algae and macrophyte growth upon rewetting. Essential for habitat value of marshes, especially for waterfowl. Remaining channels and marshes provide drought refuge and support sedentary populations of wetland birds (DSE, 2005). F i s h Make refuge movements into deeper waters during low flow periods. Shelter amongst woody debris provided by forests. Shelter and productivity of floodplain spawning grounds boosted by growth of algae and terrestrial plants during dry phase (Jones, 2006). G i a n t Ru s h R e e d B e d s Maintained in near-permanent wetlands. Persist through dry phase as dormant rhizomes on higher ground. I d e a l Dr y i n g P h a s e 2-6 months dry in Summer-Autumn to maintain Moira Grass, allow nutrient accumulation in marshes and prevent waterlogging and decline of River Red Gums. 14
  • 15. Flooding requirements of floodplain vegetation associations (MDBC, 2007a) River Red Gum Forests 40-92% of years for 5 months SQ2 Flood tolerant grass understorey River Red Gum Woodland (SQ3) 33-46% of years for 1-2 months Black Box Woodland 14-33% of years 1-4 months Floodplain Depression Marshes Giant Rush Reed Beds 75-92% of years for 5 months Moira Grass Plains 75-92% of years for 5 months SQ1 Flood dependant sedge understorey Floodplain fauna processes during wet phase Wetland birds For breeding of colonial nesting waterbirds a flood pulse is required in Spring. High stable water levels should continue for two months with a gradual recession. Flood duration must be greater than four months. Suitable floods must occur within lifespan of species (DSE, 2005). Flooding increases ecosystem productivity stimulating arrival of migrants and breeding of sedentary waterbirds. Fish Fish move into off-stream areas via anabranches on rising flows. Water temperature and river flow rates provide cues for these movements. Flood extents and regulator design and operation must permit movement. Floodplains provide high productivity environments and shelter for spawning activity and juvenile fish (Jones, 2006) Mid Spring in ideal flood event Flood pulse in late Winter, flood peak in River Red Gum Woodland, receding after 2 months. Marshes and lowest River Red Gum Forests inundated for 5 months allowing fish and wetland birds to breed. 15
  • 16. Colonially nesting in flooded River Red Gums (Pied Cormorant other Cormorants, Egrets) Colonially nesting in flooded reed beds in Drainage Depression Marshes (Australian White Ibis other Ibis, Spoonbills) Nesting in a Large River Red Gum (Stag) (White-bellied Sea-Eagle) Waterfowl, Coot and Grebes (Paci!c Black Duck) Shallow or deeper open water foragers either vegetarian, omnivorous or feeding on !sh and crustaceans Pelican, Cormorants, Darter (Australian Pelican, Pied Cormorant) Deeper open waters feeding mainly on !sh Ibis, Spoonbills (Royal Spoonbill , Australian White Ibis) Shallow water mudats or wet grasslands, feeding mainly on animals (!sh and invertebrates) Egrets, Herons, Bitterns, Cranes (Australian Bittern*) Shallow water, bare mud and reedbeds, feeding on animals (large invertebrates, crustaceans, frogs and !sh) Crakes, Rails, Water Hens, Snipe (Australian Painted Snipe)* In shallow water, within cover of dense emergent vegetation or wet grassland. Some vegetarian, others mainly take invertebrates, some are omnivores Shorebirds (Black-fronted Dotterel) Shallow water, bare mud and salt marsh Feeding mainly on animals (invertebrates and some !sh) Gulls, Terns (Silver Gull ) Terns, over open water feeding on !sh; gulls, opportunistic feeders over a wide range of habitats. Raptors (White-bellied Sea-Eagle) Feed on !sh, carrion and water birds within large home ranges centred on aquatic habitat Songbirds (Australian Reed Warbler) Feed on invertebrates and nest in dense reed beds Kingfishers (Azure King!sher) Feed on terrestrial and aquatic vertebrates and large invertebrates. + 2 species less dependent on aquatic habitat. Bush Birds (Galah, Kookaburra) Roost, forage and nest in River Red Gums but not truly wetland-dependant * threatened species. - increase the area of foraging habitat - maintain flloodplain vegetation (foraging roosting habitat) - release nutrients accumulated in dry phase into aquatic food webs - trigger breeding of prey species (fish and invertebrates) - trigger migration - trigger colonial nesting, provide extra food resources and protect nest sites River Red Gum Woodlands River Red Gum Forests Floodplain Depression Marshes In Stream Habitats Nesting Habitat Foraging Habitat Flood Events 16
  • 17. TYPES OF WATER MANAGEMENT STRUCTURES Regulators: water-controlling structures that can be opened or closed to produce FRQWUROOHGȍRRGLQJDQGGULQJRIZHWODQGVWRUHLQVWDWHPRUHQDWXUDOȍRRGFFOHV Channels: excavated creeks or waterways, sometimes with containment banks, used to direct water in or out of an area. Levee banks: earthen embankments that keep water inside a site that is being watered and enable placement of regulators for improved management. Levees SURWHFWQHLJKERXULQJSURSHUWLHVIURPȍRRGLQJDQGHQDEOHFRQWURORIWKHZDWHU GHSWKLQXQGDWLRQSHULRGDQGUDWHRIGUDZGRZQRIDȍRRGLQJHYHQW Fishways:VLWHVSHFLȌFVWUXFWXUHVWKDWDOORZȌVKWRSDVVWKURXJKRUDURXQG physical barriers such as dams, weirs and road crossings. Four types are being used in the Murray: ǩ YHUWLFDOVORWȌVKZDVZKLFKFRQVLVWRIDVHULHVRILQWHUFRQQHFWHGSRROV bypassing an obstruction such as a weir ǩ ORFNȌVKZDVZKLFKDWWUDFWȌVKWRDKROGLQJDUHDDWWKHEDVHRIWKHORFNZKLFK LVWKHQVHDOHGDQGȌOOHGZLWKZDWHUWRUHDFKWKHKHLJKWRIWKHZDWHUXSVWUHDPRI WKHEDUULHUVRWKDWȌVKFDQVZLPRXWRIWKHORFN ǩ URFNUDPSȌVKZDVDUWLȌFLDOUDSLGVPDGHIURPURFNVZKLFKSURYLGHDGLYHUVH ȍRZSDWKDQGDOORZȌVKWRSDVVRYHUORZZHLUV ǩ 'HQLOȌVKZDVZKLFKXVHDVHULHVRIEDIȍHVWRUHGXFHWKHȍRZRIZDWHU DOORZLQJȌVKWRVZLPDURXQGWKHEDUULHU Progress so far The initial focus of the program was mainly on identifying and testing feasible options IRUZRUNVDQGPHDVXUHVSURMHFWVWKDWZRXOGPHHWRUPDNHDELJFRQWULEXWLRQWR WKHHQYLURQPHQWDOZDWHUUHTXLUHPHQWVRIWKHVLWHV7KLVZDVDVLJQLȌFDQWH[HUFLVH ZKLFKbWRRNWKUHHWRIRXUHDUV The significance of The Living Murray has been identifying and having the chance to complete a range of water management works for improving the efficiency of water management. The budgets just weren’t around to even dare to design or think big. The Living Murray has enabled resource managers at all the icon sites to have a clean slate — ‘What do we actually require?’ — rather than being constrained by minuscule budgets. Keith Ward T H E L I V I N G M U R R A Y S T O R Y 59 17
  • 18. 4mactoss rop of levee Compacted till from channel excavation or local borrow area. Pool created by inflows from Torrumbarry Weir Natural floodplain 18
  • 19. 19
  • 20. Fish =..- FISh Exit 20
  • 21. OF VICTORIA Spotted Dove length 30 cm (Introduced Species) Pied Currawong length 45 cm House Sparrow length 15 cm (Introduced Species) Eastern Rosella length 30 cm Crimson Rosella length 35 cm Yellow-tailed Black-Cockatoo length 60 cm Grey Butcherbird length 30 cm Red Wattlebird length 35 cm Red-browed Finch length 12 cm Noisy Miner length 25 cm Rainbow Lorikeet length 30 cm Willie Wagtail length 20 cm Tawny Frogmouth length 44 cm Laughing Kookaburra length 45 cm Sulphur-crested Cockatoo length 50 cm Common Blackbird length 27 cm (Introduced Species) Common (Indian) Myna length 25 cm (Introduced Species) Magpie-lark (Pee-wee) length 25 cm New Holland Honeyeater length 20 cm Australian Magpie length 40 cm Galah length 35 cm Eastern Spinebill length 15 cm Silvereye length 12 cm White-plumed Honeyeater length 16 cm Yellow-rumped Thornbill length 11 cm Superb Fairy-wren (female and male) length 14 cm For inquiries about birds and domestic gardens, contact: BIRDS IN BACKYARDS www.birdsinbackyards.net t (02) 9647 1875 BIRDS AUSTRALIA www.birdsaustralia.com.au t 1300 730 075 21 Printed on recycled paper.
  • 22. Birds of our waterways and wetlands The birdlife of our waterscapes is full of variety and fascination. Over 100 different species use our wetlands and waterways for an important part of their life, perfectly adapted to the different habitats within those environments. Herons stalk in the shallows, swamphens feed on new shoots among the reeds, ducks and cormorants dive in deeper water, while large flocks of small wading birds scurry across the mudflats picking at tiny crustaceans. 24 22
  • 23. Birds of our wetlands and waterways Name(s):____________________________________________________________ Record the birds you find at your waterbody (with a tick), add notes about what it is doing or where it is (e.g. perched in reeds, wading in shallow water). 25 Waterbirds Black swan Black Swans are very large birds with a long slender neck and red bill. They are usually seen gracefully gliding on the water or walking on the bank. □_________________________________ Grey teal These small birds are quick flyers and they can be found in pairs or large flocks feeding on aquatic plants in shallow water. The male’s call is a loud ‘pip’ while the female’s is a long laughing cackle. □_________________________________ Pacific black duck These ducks can be found on all types of water. They mainly eat seeds of aquatic plants but may also eat small crustaceans, molluscs and aquatic insects. □_________________________________ Hardhead Hardheads are dark brown ducks with a distinctive white eye and light blue tipped bill. They inhabit well vegetated swamps and open water areas. They dabble and dive for food such as invertebrates □_________________________________ 23
  • 24. Musk duck* (photo Rohan Clarke) Musk ducks have dark feathers and a short bill. They float low in the water so the tail is often under water. The male has a large lobe beneath the bill. They use their feet to make loud splashing noises when attracting a mate. They are often seen in deeper water where they dive for invertebrates, plants, frogs and fish. □_________________________________ Australian wood duck Wood ducks have a dark brown head with a short black beak and their call is a nasal ‘mnow’. They are often seen looking for food on grassy areas away from wetlands. □_________________________________ Eurasian coot Coots are easily recognised by their small dumpy dark bodies and pronounced white bill. They feed in shallow to deep water, diving for plant material, and when they swim their lobed feet cause jerky movements in the water. Their call can vary but is very sharp and noisy. □_________________________________ Dusky moorhen The Dusky moorhen is another small bird although very shy. When walking it jerks its tail and has a squawky call resembling a ‘kerrk’. They can be seen out in the open, however small flocks are sometimes seen on the open water. □_________________________________ Purple swamphen Purple swamphens are black on their back and wings with a purple-blue breast, belly and neck and a white under tail. They have a bright red bill and large red legs and feet. They feed on the shoots of reeds (and sometimes frogs and snails) in shallow water or on land. □_________________________________ 26 24
  • 25. Swamp harrier* (photo Rohan Clarke) Harriers are related to eagles and hawks, which all have a hooked bill, long wings and strong talons. They are a greyish brown colour and lighter outer wing feathers. They glide low over wetlands watching for movements of any small animal to eat (small birds, frogs, fish, small mammals). □_________________________________ Osprey The Osprey is a medium-sized fish-eating bird of prey. It has dark brown upperparts and pale underparts. Ospreys are found on the coast and estuaries / wetlands near the coast. The Osprey feeds mainly on medium-sized live fish, which it does not swallow whole, but rips apart to eat. □_________________________________ Hoary-Headed grebe The Hoary-headed grebe is usually found away from the shoreline in large open waters, which may be estuarine, brackish or freshwater. The Hoary-headed Grebe feeds on aquatic invertebrates, mostly caught by deep diving. □_________________________________ Darter The Darter is a large, slim water bird with a long snake-like neck, sharp pointed bill, and long, rounded tail. It prefers smooth, open waters, for feeding, with tree trunks, branches, stumps or posts fringing the water, for resting and drying its wings. The Darter catches fish with its sharp bill partly open while diving in water deeper than 60 cm.. □_________________________________ Pied cormorant Pied cormorants have black feathers on their back, wings, tail and top of the head, with white underneath. They feed by diving for fish and invertebrates. □_________________________________ 27 25
  • 26. Little black cormorant Often seen with pelicans they often herd fish in groups, diving down to catch them. Unlike most water birds their bodies are not water resistant and so must dry their plumage frequently. They nest in low trees in wetlands and have a hoarse croaking call. □_________________________________ Australian pelican*(photo Jen Mitchell) Pelicans are very large birds which are mainly white with black and have a long pink bill used for catching fish. Found in both fresh and salt water environments. □_________________________________ White-faced heron* (photo Jen Mitchell) White-faced heron have a grey body and white face. They are good flyers but not good swimmers as they don’t have webbed feet. They have a long slender beak, perfect for catching small fish, and are perched atop their long slender legs, enabling them to peer through the water. □_________________________________ Great egret Egrets are large bids with unwebbed feet, long legs and bills. Great egrets have white feathers, a yellow bill and dark legs. They wade in shallow water to feed on fish, frogs, invertebrates and reptiles. □_________________________________ Yellow-billed spoonbill* (photo Michael Taylor) Yellow-Billed spoonbills are found throughout Australia’s freshwater environments which is their ideal habitat. They have a long, yellow, spoon-shaped bill which they use to catch prey by ‘swishing’ it from side to side in the water. □_________________________________ 28 26
  • 27. White ibis They have a white body with a black upper neck and unfeathered head. They often feed in large groups and mostly eat invertebrates, but also eat fish, frogs and garbage. Ibis can be found feeding in pastures, built up areas and garbage tips, as well as wetlands. □_________________________________ Black winged stilt Black-winged stilts are mainly white except for the black neck and wings. They have a long straight bill and long pink legs. They are usually seen in shallow water or on mud picking invertebrates from the surface. □_________________________________ Greenshank Greenshank are a mix of brown and white on the back and white underneath. They have a long slightly up-turned bill. They feed in shallow water for invertebrates or fish. Greenshank breed in northern Asia (Siberia) and migrate to southern Australia in our spring / summer. □_________________________________ Silver gull* Normally considered a coastal bird they’re often spotted around wetlands and rivers. Gulls can be very vocal making a variety of loud and soft calls. □_________________________________ Crested tern Crested terns have a pale yellow bill, scruffy black crest, grey wings and back, and a white neck and underparts. They are aerial feeders that dive into the water to catch their prey. □_________________________________ 29 27
  • 28. Grey fantail Grey fantails are very similar to Willy wagtails in that they are very active and continuously wave their tails. The Grey fantail feeds on flying insects, which it catches by chasing them from the edge of foliage at all levels in the canopy. □_________________________________ 30 Bush birds often found near waterbodies Sacred kingfisher Sacred Kingfishers are related to Kookaburras. They are mainly turquoise, with off-white underparts and a cream collar. They feed on crustaceans, reptiles, insects and their larvae and, occasionally, fish. The birds perch on low exposed branch on the lookout for prey. □_________________________________ Magpie lark (Mudlarks) These birds build their nest from mud, bound and lined with grasses. They mainly feed on insects and other small invertebrates and have a clear ringing “pee-wit” or “pee-o-wit” call which is heard particularly early in the morning. □_________________________________ Australian ringneck (Twenty eight) The Australian ringneck is a large green parrot with a yellow hind collar. They whistle and make a call that sounds like ‘twenty eight’, hence their common name. When they fly they rise and fall and their food includes eucalypt seeds, flowers and fruits and grasses. □_________________________________ Galah Galahs are well known for their pink and grey colouring and loud screeches. Galahs form huge, noisy flocks which feed on seeds, mostly from the ground. They mostly nest in tree hollows and form permanent pair bonds. □_________________________________ There are many other types of birds that are found in and near wetlands, creeks and rivers. If you see a bird that is not covered here, write or sketch a description and use a website or bird field guide to help you identify it. Try: http://www.birdsinbackyards.net/finder/ 28
  • 29. NATIVE FISHES OF THE MURRAY!DARLING BASIN There are 46 species of native fish in the Murray–Darling Basin, ranging from tiny gudgeons and pygmy perch to the Murray cod which can reach 1.8 m and 113.5 kg. Populations of many native fish species in the Basin have declined over the past 50 years, mainly due to habitat loss or modification, barriers to fish movement and the effects of introduced species. Murray cod (Maccullochella peelii) Endangered. Commonly 45-65 cm. Australia’s largest freshwater fish; it has been recorded up to 1.8 m and 113.5 kg. Found throughout most of the Basin, except for upper reaches of the southern tributaries. Has been introduced into many lakes and dams. Un-specked hardyhead (Craterocephalus stercusmuscarum fulvus) Commonly 5-7 cm. Formerly widespread, but has declined and is now threatened. More common in the northern Basin and patchily found in the middle and lowland sections of rivers and some tributaries in the south. Australian smelt (Retropinna semoni) Commonly 4-7 cm. Has been recorded in most lowland streams of the Basin, preferring slow-moving or still water in a variety of habitats. Murray–Darling rainbowfish (Melanotaenia fluviatilis) Commonly 5-7 cm. Generally restricted to backwaters, billabongs and slow-flowing areas throughout the Basin. Macquarie perch (Macquaria australasica) Threatened. Commonly 25-35 cm. Typically found in the cool, upper reaches of the River Murray system in Vic, NSW and the ACT. Most remaining populations small and isolated. Trout cod (Maccullochella macquariensis) Commonly 40-50 cm. Endangered. Once widespread but now reduced to only small breeding populations, the largest of which is in the River Murray between Yarrawonga and Barmah. Western carp gudgeon (Hypseleotris klunzingeri) Commonly 3-5 cm. As a group, carp gudgeons are widespread and common at mid-to-lower altitudes in the central and southern Basin. Short-finned eel (Anguilla australis) Commonly 70 cm. Primarily a fish of coastal streams outside of the Basin, although occasionally recorded in inland streams. Purple-spotted gudgeon (Mogurnda adspersa) Commonly 4-5 cm. A threatened species mostly found in the upper eastern reaches of the Basin. Olive perchlet (Ambassis agassizii) Commonly 4-6 cm. Formerly widespread in the Murray– Darling Basin, now largely restricted to the northern Basin. Golden perch (Macquaria ambigua) Commonly 25-45 cm. Widespread throughout lowland, slow flowing rivers of the Basin. Silver perch (Bidyanus bidyanus) Threatened. Commonly 30-45 cm. Formerly widespread over much of the Basin excluding the most upper reaches, it has declined over most of its range to occasional populations in the mid-Murray. Spangled perch (Leiopotherapon unicolour) Commonly 10-20 cm. Australia’s most widespread native freshwater fish. In the Basin it occurs in the north and west, primarly north of Condoblin. Bony herring (Nematalosa erebi) Commonly 10-20 cm. Widespread in the majority of Basin’s lowland rivers, where they are often the most abundant native species. Largely absent from upland rivers. Freshwater catfish (Tandanus tandanus) Commonly 30-45 cm. Widespread throughout the Murray–Darling Basin, but generally in the lower, slow-flowing rivers. Images: Gunther Schmida, Neil Armstrong 29
  • 30. INTRODUCED FISHES OF THE MURRAY!DARLING BASIN Eleven introduced or alien species of fish have been recorded in the Murray–Darling Basin. The range and impacts of each species on the environment and on native fish varies. Some fish were introduced for recreational angling while others were introduced through the aquarium trade. Redfin perch (Perca fluviatilis) Commonly 40 cm and 1-2 kg. Widely distributed throughout the southern part of the Basin, mainly occurring in slow-flowing or still water habitats such as lakes, billabongs and swamps. Redfin are voracious predators of other fish and invertebrates. They carry a virus that affects many native fish. Carp (Cyprinus carpio) Commonly 4-5 kg. Widely distributed in slopes and lowland rivers and creeks as well as upland streams. Carp often comprise between 70-90% of the fish biomass in lakes and streams. Carp can tolerate low oxygen levels and higher levels of pollutants and turbidity than many native fish. Their feeding behaviour affects water quality. Tench (Tinca tinca) Usually 10-30 cm. Primarily restricted to Victoria. Often abundant in off-channel habitats such as backwaters and lagoons and in deep, sheltered holes. Goldfish (Carassius auratus) Commonly 20 cm. Widespread in the Murray–Darling Basin. Eastern gambusia (Gambusia holbrooki) Females usually 6 cm, males smaller. Widely distributed throughout the Basin, commonly found in farm dams, slow-flowing waters and shallow wetlands. A high reproductive rate means it often greatly outnumbers native species. Oriental weatherloach (Misgurnus anguillicaudatus) Usually 16-19 cm. Now established throughout the entire Basin. The oriental weatherloach can burrow to escape predators and move overland to disperse, giving it a competitive edge over native species. Atlantic salmon (Salmo salar) Commonly 1-3 kg. Only found in areas where the species has been stocked for recreational fishing. Brown trout (Salmo trutta) Commonly 1-4 kg. Forms the basis of important recreational fisheries in south-eastern Australia and is widely distributed in the cool upland streams and lakes of the Murray–Darling Basin. Roach (Rutilus rutilus) Commonly 15-20 cm. Occasionally recorded in the Victorian waters of the Murray– Darling Basin. Rainbow trout (Oncorhynchus mykiss) Commonly 1-4 kg. Popular species for recreational fishing. Widely distributed in the cooler upland streams of the Basin. Brook char (Salvelinus fontinalis) Commonly 80-85 cm. Not common in the Murray– Darling Basin. Images: Gunther Schmida, Neil Armstrong Tilapia (Oreochromis mossambicus) Commonly 20 cm. A hardy, adaptable and rapid breeder, Tilapia thrives in even highly disturbed watercourses. With several established breeding populations in southern Queensland, spread into the Basin is a high risk. NEW THREAT 30
  • 31. 4RUEßUG /RDER (EMIPTERA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION 4RUEßBUGSßHAVE PIERCINGßMOUTHßPARTSßANDßCAN VARYßINßSHAPEßFROMßELONGATED ANDßBOAT SHAPEDßTOßLEAF LIKE (ABITAT OUNDßAMONGßPLANTS
  • 33. OR SWIMMINGßFREELYßINßSTILLßTO SLOW MOVINGßWATERS -OTH /RDER ,EPIDOPTERA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION -OTHSßHAVEßFLESHY BODIES
  • 35. AND HAVEßAßHARD SHELLEDßHEAD 4HEY BUILDßPORTABLEßCASESßWITHßPLANT MATERIALßORßPERMANENT SILKß CASESßATTACHEDßTOßROCKS (ABITAT OUNDßAMONGßPLANTSßIN SLOW MOVINGßWATERSßANDßONßROCKS INßFAST MOVINGßWATERS 7ATERß3LATERßORß3OWßUG /RDER )SOPODA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION 7ATERßSLATERSßOR SOWßBUGSßAREßFLATTENEDßFROMß TOPßTOßBOTTOMßANDßRESEMBLEß THEßGARDENßSLATER (ABITAT OUNDßINßSTILLßTOß SLOW MOVINGßWATERS TOLERANT $RAGONFLYßAND $AMSELFLYß.YMPHß /RDER /DONATA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION $RAGONFLYßAND DAMSELFLYßNYMPHSßHAVE EXTENDABLEßMOUTHßPARTS $RAGONFLYßNYMPHSßHAVEßA STOCKYßBUILD $AMSELFLY NYMPHSßAREßNARROWßAND ELONGATEDßWITHßTHREEß GILLßSTRUCTURESßEXTENDING FROMßTHEßTAIL (ABITAT OUNDßONßPLANTS
  • 37. INßAßVARIETYßOFßFLOW CONDITIONS 3IDEß3WIMMERßORß3CUD /RDER !MPHIPODA -AXIMUMßSIZE 5PßTOß MMß $ESCRIPTION 3IDEßSWIMMERSßORßSCUDSßHAVE SHORT ANDßNARROWßBODIES 4HEYßHAVEßSEVEN PAIRSßOFßWALKINGßLEGS
  • 38. THREEßSMALLßFEATHERY SWIMMINGßLEGSßANDßTWOßPAIRSßOFßANTENNAE (ABITAT OUNDßINßSTILLßTOßSLOW MOVING WATERS RESHWATERß-USSELß #LASS IVALVIA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION RESHWATERßMUSSELS HAVEßPAIREDßHARDßSHELLSßVALVES WITHßAßFLESHYßBODYßBETWEENßTHEM (ABITAT OUNDßINßORßONßSANDYßOR MUDDYßSTREAMßBEDS .EMATODEß 0HYLUM .EMATODA -AXIMUMßSIZE 5PßTOß MMß $ESCRIPTION .EMATODESßAREß VERYßSMALL
  • 39. PALEßWORMSßWITHOUT SEGMENTSßANDßCANßLOOKßTRANSLUCENT (ABITAT OUNDßANYWHEREßWITH SUFFICIENT MOISTURE LYß,ARVA /RDER $IPTERA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION LYßLARVAEßVARY CONSIDERABLYßINßBODYßSTRUCTURE ,ARVAEßAREßUSUALLYßTHINßAND ELONGATEDßWITHßSTUBBYß LEGSßORßNOßLEGS (ABITAT OUND SWIMMING FREELY
  • 42. IN AßVARIETYßOFßFLOW CONDITIONS VERYßTOLERANT UGß VALUE UGß VALUE LATWORM #LASS 4URBELLARIA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION LATWORMSßAREßFLAT
  • 43. THIN
  • 46. INßAßVARIETYß OFßFLOWßCONDITIONS 3EGMENTEDß7ORM #LASS /LIGOCHAETA -AXIMUMßSIZE 5PßTOß MMß $ESCRIPTION 3EGMENTEDßWORMS LOOKßLIKEßORDINARYßEARTHWORMS BUT AREßTHINNERßANDßSMALLER (ABITAT OUNDßINßSOFT SEDIMENT
  • 47. RICHßINßORGANICßMATTER (YDRA #LASS (YDROZOA -AXIMUMßSIZE 5PßTOß MMß $ESCRIPTION (YDRASßHAVEßA SIMPLEßSACK LIKEßBODYßWITHßA MOUTHßENCIRCLEDßBYßTENTACLES (ABITAT OUNDßATTACHEDß TOßROCKS
  • 49. OFTENßINßCOLONIES ,EECH #LASS (IRUDINEA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION ,EECHESßAREß SOFT BODIEDßANIMALSßMADE UPßOFß SEGMENTSßWITHßA SUCKERßONßONEßORßBOTHßENDS (ABITAT OUNDßSWIMMING INßTHEßWATER
  • 51. INßA VARIETYßOFßFLOWßCONDITIONS RESHWATERß3NAIL #LASS 'ASTROPODA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION 3NAILSßAREß SOFT BODIEDßANIMALSßENCLOSEDßIN AßHARD
  • 54. INßAßVARIETYßOFßFLOW CONDITIONS .EEDLEßUGß -OTH 7ATERß3LATERßORß3OWßUG .EMATODE MM 7ATERß3TRIDER ACKSWIMMER 7ATERß3CORPION $RAGONFLY .YMPH 3IDEß3WIMMER ORß3CUD RESHWATERß-USSEL 7ATERß4READER $RAGONFLY .YMPH $AMSELFLY .YMPH UGßVALUE $AMSELFLY .YMPHß LACKßLY ,ARVA 3EGMENTEDß7ORM (YDRA RESHWATERß3NAIL LOODWORM -OSQUITO ,ARVA LATWORM ,EECH 31
  • 55. KATEART OZEMAILCOMAU 7ATERß-ITE /RDER !CARINA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION -ITESßUSUALLYßHAVE SIMPLEßROUNDEDßBODIESßWITH EIGHT LEGS (ABITAT OUNDßAMONGß PLANTS
  • 57. INßSLOW MOVINGßWATERS EETLE /RDER #OLEOPTERA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION !DULT AQUATIC BEETLESßLOOKßSIMILARßTO TERRESTRIALßBEETLES
  • 58. WITH AßHARD SHELLEDßBODYßAND AßSTREAMLINEDßSHAPE !QUATICßBEETLEßLARVAEßLOOK VERYßDIFFERENT FROMßADULTS ANDßCANßVARYßWIDELYßIN APPEARANCE ,ARVAEßARE USUALLYßELONGATEDßWITH WELL DEVELOPEDßLEGS (ABITAT OUNDßSWIMMING INßWATERßAT ALLßLEVELS
  • 62. 0RAWN
  • 63. 9ABBIEßANDß#RAYFISHß /RDER $ECAPODA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION 4HISßGROUPßISßDISTINGUISHEDßBYßHAVING LEGSßANDßSTALKEDßEYES #RAYFISHßAND YABBIESßHAVEßTWOßROBUST CLAWS EXTENDINGßFROMßTHEßBODY (ABITAT 3HRIMPSßANDßPRAWNSßARE FOUNDßAMONGST PLANTSßANDßROCKS 9ABBIESßANDßCRAYFISHßBURROW AMONGST ROCKS
  • 64. WOOD
  • 65. LEAF LITTER ANDßINTO THEßSTREAM BED 4HISßGROUP ISßOFTENßFOUNDßIN SLOW MOVINGßWATERS 3TONEFLYß.YMPH /RDER 0LECOPTERA -AXIMUMßSIZE 5PßTOß MMß $ESCRIPTION 3TONEFLYßNYMPHS HAVEßLONGßANTENNAEßANDßTWO THINßTAILS 4HEYßOFTENßHAVEßGILLS EXTENDINGßFROMßTHEIRßREARßENDS BETWEENßTHEßTAILS (ABITAT OUNDßAMONGßROCKSßOR PLANTS
  • 66. INßFAST MOVINGßWATERS -AYFLYß.YMPH /RDER %PHEMEROPTERA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION -AYFLYßNYMPHS HAVEßSHORT ANTENNAEß ANDßTHREEßLONGßTHINßTAILS 4HEYßUSUALLYßHAVEßGILLSß ALONGßTHEßSIDESßOFßTHEIRßBODIES (ABITAT OUNDßONßORßUNDER ROCKSßORßAMONGßPLANTSßANDßLEAF LITTER
  • 67. INßAßVARIETYßOFßFLOW CONDITIONS !LDERFLYßANDß$OBSONFLYß,ARVA /RDER -EGALOPTERA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION !LDERFLYßAND DOBSONFLYßLARVAEßAREßROBUST ANIMALSßWITHßAßHARD SHELLED HEAD 4HEIRßBODIESßAREßFLESHY WITHßLONGßEXTENSIONSßON EITHERßSIDE (ABITAT OUNDßAMONGß ROCKS
  • 68. INßAßVARIETYßOFßFLOW CONDITIONS #ADDISFLYß,ARVAß /RDER 4RICHOPTERA -AXIMUMßSIZE 5PßTOß MM $ESCRIPTION #ADDISFLYßLARVAE LOOKßLIKEßCATERPILLARSßANDßOFTEN BUILDßPORTABLEßCASESßFROMß FINEßSANDßGRAINS
  • 71. SILKßANDßALGAE 4HEYßCAN ALSOßBEßCASELESS (ABITAT OUNDßAMONGßROCKS
  • 74. INßAßVARIETYßOFßFLOWß CONDITIONS RESHWATERßMACROINVERTEBRATESßORß³WATERßBUGS´ ARE ANIMALSßTHAT SPENDßALLßORßPART OFßTHEIRßLIVESßINßTHE WATER߯ßSTREAMS
  • 76. PONDS
  • 77. WETLANDSßANDßDRAINS 4HEYßAREßLARGEßENOUGHßTOßBEßSEENßWITHOUT THEßAIDßOF AßMICROSCOPEßORßMAGNIFYINGßGLASSßANDßHAVEßNO BACKBONE 4OßASSIST WITHßENVIRONMENTALßMONITORING
  • 78. WATERßBUGS HAVEßBEENßRATEDßFROMß TOß ACCORDINGßTOßTHEIR SENSITIVITYßTOßPOLLUTION 4HEYßAREßGROUPEDßINTOßFOUR CATEGORIES 4HEßMOREßSENSITIVEßAßWATERßBUGßISßTO COMMONßTYPESßOFßPOLLUTION
  • 79. THEßHIGHERßTHEßNUMBER ASSIGNEDßTOßIT 4HEßFOUR CATEGORIESßARE „ßVERYßSENSITIVEß;
  • 81. ANDß= „ßTOLERANT ;=ßßßßßßß „ßVERYßTOLERANT ; ANDß= )T ISßIMPORTANT TOßNOTEßTHAT WATERßBUGSßVARYßINßSIZE DEPENDINGßONßTHEIRßSPECIESßANDßSTAGEßOF DEVELOPMENT 4HEßWATERßBUGSßTHAT YOUßCOLLECT MAY THEREFOREßBEßSMALLERßTHANßTHEßMAXIMUMßSIZEßUSEDßIN THISßGUIDE 4HEßCOLOURßOFßTHEßWATERßBUGSßMAYßALSOßVARY ORßINFORMATIONßONßHOWßTOßDOßAßWATERßBUGßSURVEY VISIT WWWSTREAMWATCHORGAU #ADDISFLYß,ARVAE CASELESS #ADDISFLYß,ARVAE CASELESS SENSITIVE 7HIRLIGIGßEETLE ADULT 7HIRLIGIGßEETLEßLARVA UGß6ALUE 2EFERENCES #HESSMAN
  • 82. 3)'.!,ß ß!ß3CORINGß3YSTEMßFORß-ACRO INVERTEBRATE ³7ATERßUGS´ ßINß!USTRALIANß2IVERS -ONITORINGß2IVERß(EALTHß)NITIATIVE 4ECHNICALß2EPORT .O #OMMONWEALTHßOFß!USTRALIA
  • 85. % 4HEß7ATERBUGßOOK !ß'UIDEßTOßTHE RESHWATERß-ACROINVERTEBRATESßOFß4EMPERATEß!USTRALIA #3)2/ß0UBLISHING
  • 89. * #OLOURß'UIDEßTOß)NVERTEBRATESßOF !USTRALIANß)NLANDß7ATERSß)DENTIFICATIONß'UIDEß.O #O OPERATIVE 2ESEARCHß#ENTREßFORßRESHWATERß%COLOGY
  • 93. 7$ !USTRALIANßRESHWATERß,IFE 4HEß)NVERTEBRATESßOF !USTRALIANß)NLANDß7ATERS NDßEDN -ACMILLANß0UBLISHERS
  • 94. !USTRALIA 37ßß 7ATERß0ENNY $IVINGßEETLEß ADULT UGßVALUE !LDERFLYß,ARVA $IVINGßEETLEßLARVA 3HRIMP 7ATERß-ITE #ADDISFLYß,ARVAE CASED ß 0RINTEDßONßRECYCLEDßPAPER 3TONEFLYß.YMPH -AYFLYß.YMPH VERYßSENSITIVE 3TREAMWATCH 7ATERßUGß'UIDE -AYFLYß.YMPH $OBSONFLYß,ARVA #ADDISFLYß,ARVAE CASED ß RESHWATERß9ABBIEß STREAMWATCH 32
  • 95. Two water depth loggers have recently been installedinGunbowerForest.Theloggersarelinked to the internet, allowing instant access to water depthinformation. TheloggerswillhelptheNorthCentralCMAgaina better understanding of water levels across GunbowerForestduringnaturalfloodingevents.In particular the information will be used to learn more about how changing water levels influence the breeding behavior of colonial waterbirds, such asEgrets,IbisandCormorants. “Falling water levels under colonies of breeding birds is known to cause adult birds to abandon nestswhichmaycontaineggsoryoungchicks.Itis thoughtthatthefallingwaterlevelsanddryingout ofwetlandsintheforestisasignaltothebirdsthat foodresourcesarerunning out,” saidCMA Project ManagerAnnaChatfield. Theloggershavebeeninstalledinaknowncolonial waterbirdbreedingarea; LittleGunbowerWetland ComplexandinGreenSwamp. Since the major flooding of Gunbower Forest in 2010/11 the forest has received further natural inflowsinthespringof2011andinthewinterand springof2012fromrisesintheMurrayRiver. This has created ideal conditions for colonial waterbirdstoagainbreedinthespringandsummer of2012. “This spring and summer we will be in the forest monitoringthebreedingbirdsandusingthewater levelloggerstodetermineifenvironmentalwateris needed to allow waterbirds to successfully fledge theiryoungthisyear”saidAnna. Fundingforthewaterdepthloggerswas provided byTheLivingMurrayInitiative. WaterDepthloggerinstalledinLittle GunbowerWetlandComplex (PhotocourtesyofRohanOliver) GreategretchicksinGunbowerForest January2012 (PhotocourtesyofAnnaChatfield) Welcometothefirst‘FloodingforLife’communitynewsletter! This quarterly newsletter will be used to keep you upͲtoͲdate with the North Central CatchmentManagementAuthority’sFloodingforLifeProjectatGunbowerForest. NewsletterswillbesenttohouseholdsaroundGunbowerForest.Wehopeyouenjoyit! x Hipwell Road Weir and fishway – a new weir in Gunbower Creek will be operated to enable maximum inflow ratesof1,650ML/daytobeachieved. GoulburnͲMurray Water (GͲMW) will managetheconstructionworks. According to Greg Watkins, GͲMW Construction Manager, small construction taskswillcommencelatethisyear,withthe major construction activity commencing in early 2013. The Offtake Regulator and channel will be constructed first, followed bythebridgeandweirinGunbowerCreek. Construction is expected to be completed bylate2013. ForupdatesonconstructionvisittheNorth CentralCMAwebsite www.nccma.vic.gov.au TheMurrayͲDarlingBasinAuthority(MDBA)has approved a$13.5 millionpackage ofworks for theconstructionoftheHipwellRoadChannel. This represents a major milestone in the GunbowerForestFloodingforLifeProjectwhich has been investigating the most efficient and effective way to deliver large volumes of environmentalwater to the forest for the past 12years. The package of works involves the following engineeringstructures: x Hipwell Road Channel Ͳ a one kilometre channel near Hipwell Road connecting GunbowerCreektoGunbowerForest x Island Road Bridge Ͳ a bridge where Cohuna Island Road crosses the Hipwell RoadChannel x Offtake Regulator and fish lock – a regulator that controls flows entering the newchannelandforest. COMMUNITY NEWSLETTER NorthCentralCMA Reception Ph:0354487124 MelanieTranter GunbowerForestManager Email: melanie.tranter@nccma.vic.gov.au AnnaChatfield GunbowerForestProjectManager Email: anna.chatfield@nccma.vic.gov.au Edition1November2012 Artist’simpressionoftheHipwellRoadChannelPackageofWorks Upcomingevent:CohunaFestival(Austoberfest) Saturday3November2012 VisittheGunbowerForest‘FloodingforLife’informationtenttomeettheteamwhoworkonthe projectandlearnmoreaboutwhattheygetuptointheforest!The‘FloodingforLife’information tentwillbelocatedatthemainAustoberfestsiteinGardenPark. Newsletterauthors:AnnaChatfield,MelanieTranterandBrittGregory ThisnewsletterismadepossiblebyfundingprovidedbyTheLivingMurrayinitiativeoftheMurrayͲDarlingBasinAuthority. Thispublicationmaybeofassistancetoyou,buttheNorthCentralCatchmentManagementAuthorityanditsemployeesdonotguaranteethatthepublicationis withoutflawofanykind,oriswhollyappropriateforyourparticularpurposesandthereforedisclaimsallliabilityforanyerror,lossorotherconsequencewhichmay arisefromyourelyingoninformationinthispublication. TheLivingMurrayisajointinitiativefundedbytheNewSouthWales,Victorian,South Australian,AustralianCapitalTerritoryand Commonwealthgovernments, coordinatedbytheMurray–DarlingBasinAuthority. $13.5 Million Milestone Success Monitoring Update Forest Water Depth Loggers Installed 33
  • 96. Environmental water has been flowing through GunbowerCreeksinceJulythisyear. Anallocationofenvironmentalwaterwasreserved for the creekfrom a combination of entitlements held by The Living Murray and Commonwealth EnvironmentalWaterHolder. “Theaimoftheenvironmentalwateristoprovide betterconditionsfornativefishinthecreek,”said NorthCentralCMAManager,MelanieTranter. “Under normal operations, GoulburnͲMurray Water drainsGunbower Creekonce the irrigation seasonends.Thishelpstocheckthegrowthofthe invasive water lily by exposing it to frost, but disrupts the life cycle of native fish that rely on winterflows.” “This year after the creekwas drained and a few frosts had hit the water lily we began delivering watertothecreektoassistnativefishpreparefor spawninginspring.” “Juvenile fish do not carry a lot of body reserves during winterso it is reallyimportant thatafood supplyismaintainedortheywillstarve.Theadult fish eat the smaller fish to survive and draw on theirownreserves,howeverthe loss ofcondition affects their ability to spawn in the subsequent spring. It’s really the same principle as making sureacowisingoodconditionbeforebreeding,” saidMelanie. A further 5 GL of The Living Murray environmentalwaterhasbeenreservedforusein Gunbower Forest this spring and summer. The water will be used to provide connectivity between Gunbower Creek and the River Murray and to provide topͲup flows if required to maintainabirdbreedingevent. Gunbower Creek below Cohuna Weir, 26 September 2012 (Photo courtesy of Melanie Tranter) Over3,200copiesofthecoffeetablebook‘GunbowerForestͲFloodingforLife’havebeencirculatedthroughoutthe Cohuna,Leitchville,KoondrookandGunbowerareas. ThebookhasprovidedawayfortheNorthCentralCMAtosharetheknowledgethathasbeengainedoverthepast12 yearsthroughbeautifulphotographstakenbyCMAstaffandbyothersthatalsoworkinandenjoytheforest. CopiesofthebookhavealsobeenavailabletovisitorsattheGatewaytoGannawarraCentreinCohuna. ColleenShay,TourismandGatewaycoordinatorsays“Thebookhasbeenextremelypopularwithlocalsandtourists. People are amazed by the pictures and information in the book and they always comment on how beautiful it is. Schoolchildrenarealsodrawntothebookandsoitisalsoagreateducationaltool.” Limitedcopiesofthebookarestillavailable.ContacttheNorthCentralCMAortheGatewaytoGannawarraCentrefor acopy. Partnering with Yorta Yorta Nations Aboriginal Corporation Yorta Yorta representative Simon Nicholson and SKM archeologist Jeff Hill recording a scar tree near Hipwell Road(PhotocourtesyofSKM). Over Three Thousand ‘Flooding for Life’ books The North CentralCMA Indigenous Facilitator, Bambi Lees, has been working closely with Yorta Yorta Nations, GoulburnͲMurray Water and archeologists fromSKMtodevelopaCulturalHeritageManagement Plan(CHMP). Bambi said “The CHMP is a legal requirement for construction of the environmental water delivery structuresatHipwellRoad.WeworkwithYortaYorta to survey the construction footprint and develop management recommendations that will protect cultural heritage during construction. The plan also sets out what all the parties must do if cultural heritageisfoundduringconstruction.” Ateam of Yorta Yorta cultural heritage monitorswas involved intheweeklongsurvey oftheHipwellRoad area.Duringthesurveytheteamcheckedalltreesfor cultural scars, and examined the ground for any mounds, shell deposits, hearths, artefact scattersand burials. “Atotalofninescartreeswererecordedthroughthe survey, including coolamon, canoe and shield scars,” saidBambi. Prior to construction at Hipwell Road commencing Yorta Yorta monitors will be assisting GͲMW with cultural heritage inductions for construction workers. Monitors will be on site to implement the cultural heritage protection works during construction which havebeenagreedtointheCHMP. Environmental Watering Update Keeping Bridal Creeper Under Control The North Central CMA’s Ramsar Wetlands Enhancement Project team has been working towards protecting and enhancing theecologicalvaluesoftheGunbowerForest overthepastthreeyears. The North Central CMA staff work closely with the forest’s land managers, Parks Victoria and Department of Sustainability and Environment (DSE), to set priorities for pest plant and animal control within the forest. Carl Gray, North Central CMA Project Managersaid“BridalCreeperhasbecomean increasingly common weed in Gunbower Forestandisahighpriorityforusthisyear. Seeds of bridal creeper are spread by birds and also by vehicles so we see large infestations along popular tracks in the forest. Once it gets established Bridal Creeper has a smothering effect on just about anything in its path and prevents nativeplantregeneration.” Thebesttimetospraytheweedisinwinteror early spring when the plant is flowering so overthelastfewmonthstheworkcrewshave been targeting the weed. Bridal creeper is listedasaWeedofNationalSignificance. Sofarthisyear,theprojectteamhas treated around 250 ha of Bridal Creeper along GunbowerCreekandinGunbowerForest. Bridal Creeper infestation in Gunbower Forest(PhotocourtesyofCarlGray) Scartreerecorded during cultural heritage surveys at Hipwell Road (Photocourtesyof SKM) Flows for Gunbower Creek 34
  • 97. GUNBOWER FOREST Environmental watering update August 2014 • Watering has been running for 65 days • Over 37 GL of water has been delivered to the forest through the Hipwell Road Channel • Approx. 3783 Ha of the forest has been inundated, which includes: o 64% of the forest wetlands o 20% of the red gum forest • Water begun exiting the forest and returning to the Murray River last week. Flow Summary • Flow over Gunbower Weir is currently being increased to test the capacity of Gunbower Creek. • Maximum flow into Hipwell Road Channel will be maintained for the next few weeks. • Flow over Hipwell Road Weir is providing important benefits for native fish. • Fishway on Yarran Creek regulator has been opened to allow native fish in the Gunbower Creek to move into the forest. Nutrient and carbon rich water entering Gunbower Creek will also help to boost the productivity of the creek, benefiting native fish, crustaceans and aquatic plants. Location Approx. Flow (ML/d) Gunbower Weir 1200 Hipwell Road Channel 750 Hipwell Road Weir 380 Cohuna Weir 380 Yarran Regulator 25 Koondrook Weir 250 Chinamans Bend (forest outfall) 300 • Natural high Murray River flows o Murray River has been rising over past few weeks, it peaked at 17,000ML/d and is now receding. o Water level in the forest is higher than that in the Murray River therefore gates on Murray River regulators (Shillinglaws and Barham Cut) will remain closed for now. • Blackwater o Some pockets of water that is low in dissolved oxygen (DO) (3 mg/L) have been recorded in the forest. o These are in areas where there is little water exchange and are expected. o Generally DO levels across the forest are ranging between 8 – 4 mg/L o Water exiting the forest is mixing with water in Gunbower Creek and the Murray River. Good dilution is currently occurring , with DO levels at Condidorios bridge around 6mg/L. 35
  • 98. North Central CMA Reception Ph: 03 5448 7124 Anna Chatfield Gunbower Forest Project Manager Email: anna.chatfield@nccma.vic.gov.au Photo1: North Central CMA staff member Amy Russell, taking a dissolved oxygen reading at Dry Swamp Track bridge, where water exits the forest. Photo2: Water filling Reedy Lagoon 36