Science Advisory Report 2014/007
Assessment of Candidate Harvest Decision Rules for Compliance to the Precautionary Approach Framework for the Snow Crab Fishery in the Southern Gulf of St. Lawrence
Summary
- Candidate decision rules for the snow crab fishery of the southern Gulf of St. Lawrence were assessed for compliance with the Precautionary Approach framework.
- Precautionary Approach compliance was assessed based on the condition that there must be a very low probability (<= 5%) of the stock falling into or remaining in the critical zone due to fishing exploitation.
- The compliance of candidate rules was assessed using simulated recruitments which included values much lower and higher than recruitment values observed over the assessment time period; it was concluded that this was an appropriate method for assessing compliance.
- PA compliant decision rules tested included candidates with removal rates in the healthy zone above the defined maximum removal rate value of 0.346.
- The choice among PA compliant decision rules for use in fisheries management decisions is not a science role.
This Science Advisory Report is from the Fisheries and Oceans Canada, Canadian Science Advisory Secretariat, regional advisory meeting of January 29-31, 2014 on the assessment of the status of the southern Gulf of St. Lawrence snow crab stock. Additional publications from this process will be posted the on Fisheries and Oceans Canada (DFO) Science Advisory Schedule as they become available.
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