andrew applegate nefmc staff council meeting whiting pdt chair revised · 2019. 12. 2. · council...
TRANSCRIPT
Andrew Applegate
NEFMC Staff
Whiting PDT ChairCouncil meeting
December 5, 2019
Southern red hake
Survey biomass
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2018 Red hake Catch
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Conceptual approaches1. Post-season AM (5000 → 400 lbs. possession limit)
Large increase in bycatch (squid and scallop)
Reduced trigger to 41% of TAL – first year
2. 400 lbs. possession limit year-round
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Conceptual approaches1. Post-season AM (5000 → 400 lbs. possession limit)
Large increase in bycatch (squid and scallop)
Reduced trigger to 41% of TAL – first year
2. 400 lbs. possession limit year-round
3. Adaptive control rule based on observed changes in biomass
Tmax
Expected rate of change (6.7%)
Maximum negative deviation/Intervention frequency
Proportion of ACL9
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Conceptual approaches1. Post-season AM (5000 → 400 lbs. possession
limit)
2. 400 lbs. possession limit year-round
3. Adaptive control rule
4. Biomass based control rule
No analytic assessment
5. Witch-flounder approach based on life history estimates
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Southern red hakeSpring survey, 2011-2019
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Southern red hakeSpring survey, 2011-2019
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