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Westcountry Rivers Trust
A Fisheries Toolbox Species & habitat management
Scott West Westcountry Rivers Trust
Westcountry Rivers Trust
Today’s talk • Introduction to fisheries tools
• A brief look at techniques:
– Walkover surveys – Wooded debris – Channel morphology – Barrier easement – River bank management – Population analysis – Gravel augmentation – Semi quantitative
Electrofishing
• Fisheries formula, developing plans & integrating tools
Westcountry Rivers Trust
A fisheries toolbox
• Cathchment scale fisheries work requires a multitude of techniques, all working in unison
• Applied science
Westcountry Rivers Trust
Fisheries management work for WFD & other drivers
• Questions:
What are the issues? What methods to adopt? How to evaluate?
Westcountry Rivers Trust
A fish's eye view
throughout…
Westcountry Rivers Trust
Species & lifecycles
Westcountry Rivers Trust
Walkover surveys
Westcountry Rivers Trust
Wooded debris, flow deflectors & revetment techniques
• Habitat creation / protection
• Bank side protection
• Flow manipulation
• Natural channel morphology
Westcountry Rivers Trust
Westcountry Rivers Trust
Westcountry Rivers Trust
Barrier easements & solutions
Westcountry Rivers Trust
River bank management River bank management
Westcountry Rivers Trust
Population analysis: Fish Tagging studies
Westcountry Rivers Trust
Population analysis: Genetics studies
Westcountry Rivers Trust
Gravel augmentation
Westcountry Rivers Trust
Westcountry Rivers Trust
Semi-quantitative electrofishing • Methodology
• Benefits
• Targeted
Westcountry Rivers Trust
Challenges • Targeting work
• Permissions
• Consents
• Timing / climate
• Conflicts of interest?
Westcountry Rivers Trust
A fisheries formula for success • Developing plans by
asking questions & making assessment on: – Populations – Habitats – Status
• Taking action by use of &
integrating the tools
• Evaluating & learning
Westcountry Rivers Trust
Linking it all together • Drivers
• Evidence
• Management tools • Catchment working
• Succession planning
Westcountry Rivers Trust
More fins in the river!
Westcountry Rivers Trust
Westcountry Rivers Trust
Thanks for listening
www.wrt.org.uk
