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North Pacific Groundfish Stock Assessments Results

506 results match your filter criteria.

2021 Assessment Of The Skate Stock Complex In The Bering Sea And Aleutian Islands

The Bering Sea and Aleutian Islands (BSAI) skate complex is managed in aggregate, with a single set of harvest specifications applied to the entire complex. However, to generate the harvest recommendations the stock is divided into two units.
February 08, 2022 - Assessments ,

2021 Assessment Of The Shallow-Water Flatfish Stock Complex In The Gulf Of Alaska

In 2017, the scheduled frequency for some stock assessments was changed in response to the National Stock Assessment Prioritization effort. The new schedule moved shallow water flatfish to a 4-year assessment cycle, with partial assessments for ‘off’...
February 08, 2022 - Assessments ,

2021 Assessment Of The Thornyhead Stock Complex In The Gulf Of Alaska

In accordance with the approved schedule, no assessment was conducted for this stock this year, however, a full stock assessment will be conducted in 2022. Until then, the values generated from the previous stock assessment (below) will be rolled over...
February 07, 2022 - Assessments ,

2021 Assessment Of The Skate Stock Complex In The Gulf Of Alaska

There are currently no target fisheries for skates in the Gulf of Alaska (GOA), and directed fishing for skates is prohibited. Incidental catches in other fisheries are sufficiently high that skates are considered to be “in the fishery”...
February 07, 2022 - Assessments ,

2021 Assessment Of The Shortraker Rockfish Stock In The Gulf Of Alaska

For this on-cycle year, we incorporate new Relative Population Weights (RPWs) from the 2020 and 2021 AFSC longline surveys, incorporate new survey biomass from the 2021 bottom trawl survey, and update auxiliary data sources.
February 07, 2022 - Assessments ,

2021 Assessment Of The Shark Stock Complex In The Gulf Of Alaska

The shark complex (spiny dogfish, Pacific sleeper shark, salmon shark and other/unidentified sharks) in the Gulf of Alaska (GOA) is assessed on a biennial stock assessment schedule. The GOA shark complex is a combination of Tier 5 (spiny dogfish) and...
February 07, 2022 - Assessments ,

2021 Assessment Of The Rougheye And Blackspotted Rockfish Stock Complex In The Gulf Of Alaska

All Gulf of Alaska (GOA) rockfish stocks are assessed on a biennial stock assessment schedule to coincide with the availability of new survey data and in accordance with the National Stock Assessment Prioritization effort (Methot 2015; Hollowed et al....
February 07, 2022 - Assessments ,

2021 Assessment Of The Rex Sole Stock In The Gulf of Alaska

The key results of the assessment, based on the author’s preferred (base case) model, are compared to the key specifications from 2020 in the table below. A Tier 3a approach was used to calculate recommended quantities for the 2021 assessment.
February 07, 2022 - Assessments ,

2021 Assessment Of The Walleye Pollock Stock In The Gulf Of Alaska

Walleye pollock (Gadus chalcogrammus; hereafter referred to as pollock) is a semi-pelagic schooling fish widely distributed in the North Pacific Ocean. Pollock in the central and western Gulf of Alaska (GOA) are managed as a single stock independently...
February 07, 2022 - Assessments ,

2021 Assessment Of The Pacific Ocean Perch Stock In The Gulf Of Alaska

Pacific ocean perch in the Gulf of Alaska are assessed on a biennial stock assessment schedule to coincide with the availability of new survey data. For Gulf of Alaska rockfish in on-cycle (odd) years, we present a full stock assessment document with...
February 07, 2022 - Assessments ,