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Andrew Applegate NEFMC Staff Whiting PDT Chair
Council meeting December 5, 2019
- 6. Small-Mesh Multispecies (Dec. 3 - 5, 2019)
#0 Revised
Southern red hake Survey biomass
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NEFMC Staff Whiting PDT Chair Council meeting December 5, 2019 - - PowerPoint PPT Presentation
NEFMC Staff Whiting PDT Chair Council meeting December 5, 2019 - - PowerPoint PPT Presentation
6. Small-Mesh Multispecies (Dec. 3 - 5, 2019) #0 Revised Andrew Applegate NEFMC Staff Whiting PDT Chair Council meeting December 5, 2019 Southern red hake Survey biomass 2 3 4 2018 Red hake Catch 5 6 Conceptual approaches Post-
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2018 Red hake Catch
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Conceptual approaches
1.
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 approaches
1.
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 ACL
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Conceptual approaches
- 1. 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 hake
Spring survey, 2011-2019
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Southern red hake
Spring survey, 2011-2019
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