The longline survey abundance index increased 14% from 2016 to 2017 following a 28% increase in 2016 from 2015. The lowest point of the time series was 2015. The fishery abundance index decreased 23% from 2015 to 2016 and is the time series low (the 2017 data are not available yet). There was a new Gulf of Alaska (GOA) trawl survey in 2017 which increased 89% from 2015 to 2017. Spawning biomass is projected to increase rapidly from 2018 to 2022, and then stabilize. Sablefish are managed under Tier 3 of NPFMC harvest rules. Reference points are calculated using recruitments from 1977-2013. The updated point estimates of B40%, F40%, and F35% from this assessment are 98,332 t (combined across the EBS, AI, and GOA), 0.096, and 0.114, respectively. Projected female spawning biomass (combined areas) for 2018 is 88,928 t (90% of B40%, or B36%), placing sablefish in subtier “b” of Tier 3. The maximum permissible value of FABC under Tier 3b is 0.086, which translates into a 2018 ABC (combined areas) of 25,583 t. The OFL fishing mortality rate is 0.102 which translates into a 2018 OFL (combined areas) of 30,211 t. Model projections indicate that this stock is not subject to overfishing, overfished, nor approaching an overfished condition.
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
Total 2016 catch estimate was updated, and the projected total catch for 2017 was set to nearly equal the TAC (64,500 t), based on the catch amounts o...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
The assessment of Bering Sea and Aleutian Islands (BSAI) Greenland turbot has been moved to a biennial schedule according to the stock assessment prio...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
In 2005, BSAI rockfish were moved to a biennial assessment schedule with full assessments in even years to coincide with the frequency of trawl survey...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
The Bering Sea and Aleutian Islands (BSAI) skate complex is managed in aggregate, with a single set of harvest specifications applied to the entire co...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
[NOTE: In accordance with the approved schedule, no assessment was conducted for this stock this year, however, a full stock assessment will be conduc...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
This chapter covers the Eastern Bering Sea (EBS) region—the Aleutian Islands region (Chapter 1A) and the Bogoslof Island area (Chapter 1B) are prese...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
In 2005, BSAI rockfish were moved to a biennial assessment schedule with full assessments in even years to coincide with the frequency of trawl survey...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
The survey increased 15% from 2016 to 2017 and is now just below the long-term average. The assessment model estimate of 3+ total biomass for 2018 is ...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
The Bering Sea and Aleutian Islands (BSAI) arrowtooth flounder (Atheresthes stomias) stock is managed in Tier 3a and is assessed on a biennial basis. ...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
[NOTE: In accordance with the approved schedule, no assessment was conducted for this stock this year, however, a full stock assessment will be conduc...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
The estimated ABC and OFL values for 2018 and 2019 in this update are slightly lower than the values for 2017 and 2018 produced in the 2016 assessment...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
In 2005, BSAI rockfish were moved to a biennial assessment schedule with full assessments in even years to coincide with the frequency of trawl survey...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
[NOTE: In accordance with the approved schedule, no assessment was conducted for this stock this year, however, a full stock assessment will be conduc...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
The assessment updates last year’s with results and management quantities that are higher than the 2016 assessment primarily due to 1) including 201...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
"Flathead sole" as currently managed by the North Pacific Fishery Management Council (NPFMC) in the Bering Sea and Aleutian Islands (BSAI) represents ...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
The Stock Assessment and Fishery Evaluation (SAFE) report summarizes the best available scientific information concerning the past, present, and possi...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
Northern rock sole (Lepidopsetta polyxystra) are assessed on a biennial stock assessment schedule as part of the National Marine Fisheries Service ass...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
Relative to the November edition of last year’s BSAI SAFE report, the following substantive changes have been made in the Aleutian Islands (AI) Paci...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
This document provides a summary of the 2017 recommended ABCs and OFLs relative to the 2016 recommendations for Other flatfish in the Bering Sea/Aleut...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
NOTE: In accordance with the approved schedule, no assessment was conducted for this stock this year, however, a full stock assessment will be conduct...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
Total 2016 catch estimate was updated, and the projected total catch for 2017 was set to nearly equal the TAC (64,500 t), based on the catch amounts o...
2017 | Bering Sea and Aleutian Islands Stock Assessments
Description:
The assessment of Bering Sea and Aleutian Islands (BSAI) Greenland turbot has been moved to a biennial schedule according to the stock assessment prio...
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