Hydro issues Jamie Ribbens Talk provided for the annual Scottish Fisheries Co-ordination Centre Meeting. Held at the Scottish Centre for Ecology and the Natural Environment, Loch Lomond. 4th-5th Feb 2015

1. Hydro issues
Jamie Ribbens

2. Case study from Galloway
• A hydro built on a coastal burn
• Watercourse is ~2.5 km long
• Hydro is 60 kW capacity
• A baseline fish survey was completed in 2011 by GFT
• We found a very healthy wild resident brown trout population
• We provided various comments to SEPA and local Planning Authority
• Hydro was built between October 2013 and May 2014
• Post construction fish survey was completed in summer 2014 by GFT

6. Site
Code
Site Location Survey
Date
Presence
Of Other
Species*
Area
Fished
(m²)
Density per 100 m²
Salmon
Fry
(0+)
Salmon
Parr
(1+ and
older)
Trout
Fry
(0+)
Trout
Parr
(1+ and
older)
KB1 At outflow 23/09/11
02/09/14
- 41.6 0
0
0
0
38
14
28
29±1
KB2 Within affected length 23/09/11
02/09/14
- 71.6 0
0
0
0
28±3
6
36±6
39±1
KB3 Within affected length 23/09/11
02/09/14
- 62.5 0
0
0
0
40±1
20
69±1
68±0.5
KB4 At intake 23/09/11
02/09/14
- 43.7 0
0
0
0
73±7
45±3
63±6
54±3