Ph seq ehmp

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Ph seq ehmp

  1. 1. !"#$%$&()*+,&-).#/0&#10/2) !$&3+10/)4).+10/)Peter HaningtonUniversity of Queensland
  2. 2. 53&,0/)!! !"#$%&()#%"*+#,(-#*%."*,&/0(1(%&"(,%#2"&3$4"*,(5( /60$"6".%#%/3.(!! 7"8/3.#$()#%"*(9:#$/%(;#.#8"6".%(<%*#%"8(=(%&"( 0$#.(!! >3$$#%"(/.?3*6#%/3.(5(,,%"6,(#.#$,/,(!! (<@9(@A3,,%"6(!"#$%&(;3./%3*/.8(-*38*#6(1( 63./%3*(5(*"B/"+( !! ;"%&343$38/",( !! C.4/A#%3*,( !! D/.2,(%3(6#.#8"6".%(
  3. 3. 6-)7!8)*+,&-%)9+&1:+%$);+1&/1$-0<)) &-)$&+=-#,>1$)!! Special collaboration between government, industry, researchers and community!! Working towards understanding, planning for and managing the use of waterways and catchments in South East Queensland (SEQ) Healthy Waterways Vision Our waterways and catchments will, by 2020, be a healthy ecosystem supporting the livelihoods and lifestyles of residents and visitors and will be managed through collaboration between community, government and industry.
  4. 4. Who makes up the Partnership ?!! The Partnership includes 6 Queensland government agencies, all 19 local governments in the region, 4 universities, 30 major industries and 38 catchment, landcare, environment and community groups!! A Secretariat provides the day-to-day coordination for the partners and undertakes the regional programs including monitoring and reporting!! Healthy Waterways is the umbrella ‘brand’ for the campaign aimed at decision makers and the public
  5. 5. 7!8)*+,&-%)9+&1:+%$)7&1+&2%) 6-)<,+/) •!SEQ Regional Plan •!Moreton Bay Water Quality Improvement Plan •!EHMP 5 year trends •!SEQ Regional Water Supply Strategy •!SEQ Regional NRM Plan
  6. 6. !"#$$%&%()*+,)-./))?-+,,/2$)@#1)7!8))
  7. 7. SEQ Healthy Waterways StrategyOverall Approach:•! Protect•! Stabilise•! Restore Areas of Action:1. Protection & conservation2. Management of point sources3. Management of urban diffuse sources4. Management of rural diffuse sources5. Restoration of riparian and wetlands6. Managing changes to hydrology
  8. 8. Need to balance activities in the catchment with uses/values fishing boating urbanisationfarming ecosystem aquaculture drinking watergrazing industry
  9. 9. .#1&#/)A+%) /B01#/(/&+,)+$$&$ )!! !"#$%&()*+,-."(% ,-/0*%!! 1+.*&.*2%0(2*+%/-34% "(.*+(-."(-/%.+*-."*)% 5%678976:%;78<7%!! =&("&%)>*&"*)%5% ?0#(#:%2/>$"(:% $0@>A-&B%3$-/*%
  10. 10. C/@#1(+D#/)"#,,+D#/) ) 4)$%$&($)+/+,%$0$) )
  11. 11. Nutrient Movement
  12. 12. E$)#@)(#>,$)!! C60*3B"(,,%"6( :.4"*,%#.4/.8(!! <A".#*/3(%",%/.8((!! E#*8"%(6#.#8"6".%( "F3*%,(12/10/09
  13. 13. 12/10/09
  14. 14. Scenario: Turbidity Annual Median ConcentrationsCurrent: 2004 with 2026 Business As Intermediate Maximum Investmentscommitted upgrades Usual: 2026 with Investments for Load for Load Reduction:0-2 NTU committed upgrades Reduction: 50% reuse, 100% reuse, 100%2-4 NTU 100% WSUD in WSUD in greenfield,4-6 NTU greenfield, 50% retrofit, 100% retrofit, 50% 20% reduction in rural reduction in rural diffuse6-10 NTU No SEQRWQMS WQO diffuse loads loads10-20 NTU exists for Turbidity in the>20 NTU Moreton Bay
  15. 15. From a regional scale,we can identify where the problems are.Modelling suggests 70%sediment in Bay comes from<30% catchment areaTracer study confirms thatmost sediment comes fromsoils on Marburg formationrocks Caitcheon & Howes (2005)
  16. 16. identify the dominant processesChannel Erosion Hillslope Erosion
  17. 17. Degraded riparian lands•! Channel erosion is source of most sediments delivered to the lower Brisbane & Logan Rivers•! Other source is cultivated surface soils About 46% of the 48,000 km of streams in SEQ has poor riparian condition
  18. 18. We know what restoration is required.F) channel/bank restoration? gully stabilization?riparian revegetation?
  19. 19. Key challenge: spatial optimisationHow do we spatially arrange restoration in the landscape to ensure that we getthe best “bang for buck”? Spatial scale of riparian influence on stream health? length and width Optimum spatial arrangement of restoration? Are there priority areas (eg high sediment yield)? Does one large continuous section = several small ones? Socioeconomic issues – willingness/ability for adoption?Addressing rural diffuse loads has technical, socio-economic and institutional challenges
  20. 20. Integrated and whole-of-systems approach to water managementLinks between water quality and water quantity in rural and urban areas Healthy Waterways Strategy -- Qld Water Plan -- Regional Water Supply Strategy & Drought Management Strategy -- Water Resource Plans -- Water Recycling Action Plan
  21. 21. 6-)7!8)!*.; ) (#/0&#10/2)!! CDE%F+*)$3-.*+%G%HEI% *).0-+"(*%G%@-+"(*% )".*)%!! 8(.$/J%KL% @(".+"(#%!! <"-((0-/%A"/#"&-/% @(".+"(#%!! M,*(.NA-)*2% @(".+"(#%
  22. 22. 6-)7!8)!*.;)0/) &-)6:>)15 freshwater sitessampled once in Oct. – Nov. 2007 28 Estuarine sites sampled monthly Nov. 2007 - Oct. 08
  23. 23. ?#((#/)C$$3$)@#1)C/>0"+&#1)7,"D#/)
  24. 24. SEQ EHMP Estuarine/Marine IndicatorsWater Quality Indicators (monthly) Biological Health IndicatorsPhysico – chemical: (biannual)•! Water depth •! Seagrass depth range•! pH •! Riparian vegetation•! Temperature assessment•! Salinity •! Coral cover•! Dissolved oxygen •! Lyngbya•! Turbidity •! d15N mapping •! Nutrient processingNutrients:•! Total nutrients (nitrogen and phosphorus)•! Dissolved nutrients (nitrate, nitrite, ammonium, and phosphate)•! Total dissolved solids•! Chlorophyll a
  25. 25. Estuarine Water Quality Objectives =(2"&-.+% 9ML%OAP*&.",*% 0!( GHI( >&$=#( JKL(:8HD( EG( LMNO(68HD( E-( LMLP(68HD( QR( SL=KLLT(,#%( E:*U/4/%( JVL(GEW( <:,0".4"4(,3$/4,( GHI(
  26. 26. !*.;)!$&3+10/)C/>0"+&#1$)7+21+$$)$31B%)
  27. 27. !*.;)!$&3+10/)C/>0"+&#1$)G0<+10+/)"#/>0D#/)+$$$$(/&)H6:>)*+>$I)J79K)
  28. 28. Calculation of Estuarine/Bay Report Card Grades )"! EHI (Ecosystem Health Index) - Proportion of the waterways that complies with the established objectives (from SEQRWQMS)"! BHR (Biological Health Rating) - incorporates indicators without established objectives."! EHI weighting - 80%, BHR weighting - 20%
  29. 29. 7-#1&"#(0/2$)4),0(0&+D#/$)#@)&-) $&3+10/)4)(+10/)!*.;)!! D/6/%"4(/.(,0#%/#$(5(%"603*#$(,A#$",(1(%&"*"?3*"( 4/XA:$%(%3("$:A/4#%"(%*".4,(?*36(.#%:*#$(B#*/#%/3.,(!! Y3A:,"4(3.(+#%"*(Z:#$/%(0#*#6"%"*,([SLT]( U/3$38/A#$([VLT(!! D#A2(3?(,,%"6(0*3A",,(/.4/A#%3*,(
  30. 30. 2007-08 Estuarine Results - Tweed !! ^*#0&,(#*"(63.%&$(@!C( ,&3+/.8(A360$/#.A"(+/%&( )9(3U_"A%/B",([K`(?:$$( A360$/#.A"](43%%"4($/."(`( #B"(?3*("#A&(*"8/3.M( !! Q#%#(,:88",%,(#(,"#,3.#$( 0#%%"*.M( O,*+-//%+*#"(% K( aLL( LMS( VOL( 6-"(F-//%Q@@R% VLL( LMP( 6*#"(-/%M!=% KOL( LMN( KLL( LMV( OL( L( L( 7#/.?#$$( 8(.$% IB"*#8"(@!C(
  31. 31. G<#1D/2)#@)>+&+)&1/>$)
  32. 32. Delta 15N – Sewage plume mapping
  33. 33. Links to management
  34. 34. 83$D#/$L)

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