Table 13. Estimates of the mid-year vulnerable biomass (mt) for 2009 from the four models and three fishery selectivities. Note that the vulnerable biomass is conditional on the selectivity, and assumes that a selectivity is applicable to the entire population. The values do not apply separately to each region.
|
Model 1
|
Model 2
|
Model 3
|
Model 4
|
Differing assumptions:
|
 estimated
|
=2.0
|
=2.5
|
=3.2
|
Differing data
|
CPUE by weight,
integrated
|
CPUE by weight,
integrated
|
CPUE by weight,
integrated
|
CPUE by weight,
integrated
|
|
|
|
|
|
Biomass removed using:
|
|
|
|
|
Basin selectivity
|
4,894
|
4,406
|
4,562
|
4,801
|
NF Gulf selectivity
|
4,416
|
4,747
|
4,603
|
4,562
|
Shelf selectivity
|
5,093
|
4,747
|
4,856
|
5,030
|
|
|
|
|
|
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