The Bering Sea and Aleutian Islands (BSAI) arrowtooth flounder (Atheresthes stomias) stock is managed in Tier 3a and is assessed on a biennial basis. Survey data for the BSAI comes from the BSAI shelf survey which takes place annually, the Aleutian Islands survey which is biennial, and the BSAI slope survey which is also typically biennial. In even years a full assessment of arrowtooth flounder (ATF) in the BSAI is conducted. On odd years, parameter values from the previous year’s assessment model (Spies et al. 2016; http://www.afsc.noaa.gov/REFM/Stocks/assessments.htm) and total catch information for the current and previous year are used to make projections and to recommend ABC and OFL for the following two years. A single species projection model was used to predict the status of the BSAI ATF stock for 2018 and 2019 and to calculate ABC and OFL for those years. The projection model incorporated parameter values from the 2016 assessment model (Spies et al. 2016) as well as catch information from 2016 and 2017.
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:
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 wa...
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:
[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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