Tweed
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SFCC member presentation from the 2023 annual biologists meeting.
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Tweed
- 1. James Hunt Suzie Taylor Jonny Archer Patrick Barbour
- 3. Some of our work for the last year… • Temperature work on freshets • Where to plant trees for shading the river? • Salmon smolt tracking project • Adult Salmon head collection for Otolith analysis • SALMOVE genetics sampling • Correcting Ettrick counter data …
- 4. Organising the Gala Water as a monitored river for the catchment
- 5. NEPS electro-fishing sampling Electro-fishing results Fish counter results
- 6. 644 eggs per 100m2 3,746 eggs per 100m2 1,133 eggs per 100m2
- 8. Gala PIT tag returns
- 10. Gala PIT tag returns Tagg ing Year Species Period Location Sample size Number of detections Return rate (%) 2019 Salmon Spring Gala fish trap 1,021 15 1.5 2021 Sea Trout Spring Gala fish trap 283 27 10.3 2022 Sea Trout Spring Gala fish trap 610 2022 Salmon Spring Gala fish trap 1,299 2021 Salmon Spring Gala fish trap 200 2 1.0
- 12. Fish eating bird dietary analysis
Hinweis der Redaktion
- Joining the club. The term is now ‘Monitored River’ Missing part of the jigsaw is improving the accuracy of the smolt output estimate. PIT tagging parr in early Autumn this year will investigate whether this is possible Question of when will ask for access to monitoring network
- 103 mm Gala trap 7th May 2020, returned 22/10/2022, 69 cm 210 mm Gala trap 29/04/2021, returned 17/10/2022 51 cm