salmonid angling – application to tasman district council neil deans, fish and game...
DESCRIPTION
Personnel Mary-Anne Baker, Trevor James, TDC Neil Deans, FGNZ Martin Unwin, NIWA Kay Booth, Lindis Consulting Peer Review Chris Arbuckle, MAF John Hayes, CawthronTRANSCRIPT
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Salmonid angling – application to Tasman District Council
Neil Deans, Fish and Game Nelson-Marlborough, 2009
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Salmonid Fisheries
• Provided guidance for developing methodology
• Includes fisheries derived from– trout (brown, rainbow, lake and brook char)– salmon (chinook, sockeye)
• No salmon in Tasman DC but criteria applicable
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Personnel
• Mary-Anne Baker, Trevor James, TDC• Neil Deans, FGNZ• Martin Unwin, NIWA• Kay Booth, Lindis Consulting
• Peer Review• Chris Arbuckle, MAF• John Hayes, Cawthron
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Method
1. Define River Value Categories and River Segments
2. Identify potential attributes3. Select primary attributes4. Choose indicators of primary attributes5. Determine Indicator Thresholds6. Apply indicators and thresholds
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Method contd
7. Weight primary attributes (if appropriate)8. Determine River Significance9. Outline other relevant factors10. Review and assess future requirements
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Applying the Method
• Attributes to reflect social, economic, environmental, cultural wellbeing
• easier said than done
• A key concept was the Recreational Opportunity Spectrum.– Provided rationale and context for this activity
• Need for discipline in language and terminology
• Wilderness/scenic attractiveness
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• Lucky to have good national data (NAS)– For 1150 angling waters, c. 800 rivers– Angling use data, angler perceptions
• Water quality thresholds already determined – salmonids well studied– Cawthron Report 1205 for Horizons
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Primary Attributes• Level of use• Origin of NZ users• Proportion of overseas use• Mean Free Distance (Angler Density)*• Anticipated catch rate• Anticipated chance of catching large fish• Water Quality• Scenic Attractiveness• Wilderness Character• Angler perceptions of River’s Importance
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Data Gaps
• Recent user perceptions about – the importance of the river, – scenic value– wilderness value – Overall evaluation of the fishery
• Fish & Game pilot survey available• River labelling
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Analysis
• More robust analysis than already in Plan– Consistency with WCO and WONI outputs– Intuitively accurate
• Comprehensive • Implications for management
– Better understanding of where issues may arise
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Gaps• Attributes not included;
– Contribution to a collective value– Scarcity – Access– Future/potential value– Past value– Existence value
• Relevance for management decisions
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Issues
• Importance of trialling in more than one region
• Question of how many regions before method is ‘standardised’ for national application
• Original regional analysis may need review before ‘final’ acceptance
• What to do about data gaps?