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Alaska Groundfish Research Results

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2023 Stock Assessment And Fishery Evaluation Report For The Groundfish Resources Of The Gulf Of Alaska - Introduction

The National Standard Guidelines for Fishery Management Plans published by NOAA Fisheries require that a stock assessment and fishery evaluation report be prepared and reviewed annually for each fishery management plan.
February 21, 2024 - Assessments ,

2023 Assessment Of The Rex Sole Stock In The Gulf of Alaska

Rex sole is assessed using an age-structured model and Tier 3 determination within the context of a two area model.
February 21, 2024 - Assessments ,

2023 Assessment Of The Walleye Pollock Stock In The Gulf Of Alaska

Walleye pollock is a semi-pelagic schooling fish widely distributed in the North Pacific Ocean. Pollock in the central and western Gulf of Alaska are managed as a single stock independently of pollock in the Bering Sea and Aleutian Islands.
February 21, 2024 - Assessments ,

2023 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.
February 21, 2024 - Assessments ,

2023 Assessment Of The Pacific Cod Stock In The Gulf Of Alaska

Pacific cod is a transoceanic species, occurring at depths from shoreline to 500 m. The southern limit of the species’ distribution is about 34° N latitude, with a northern limit of about 63° N latitude.
February 21, 2024 - Assessments ,

2023 Assessment Of The Other Rockfish Stock Complex In The Gulf Of Alaska

The Other Rockfish (OR) complex in the Gulf of Alaska is assessed on a biennial stock assessment schedule to coincide with the availability of new trawl survey biomass estimates.
February 21, 2024 - Assessments ,

2023 Assessment Of Northern And Southern Rock Sole Stocks In The Gulf Of Alaska

The Gulf of Alaska northern and southern rock sole assessment is conducted on a 4-year assessment cycle following the stock assessment prioritization schedule. During years when a full assessment is not completed, a partial assessment is conducted.
February 21, 2024 - Assessments ,

2023 Assessment Of The Northern Rockfish Stock In The Gulf Of Alaska

We use a statistical age-structured model as the primary assessment tool for GOA northern rockfish which qualifies as a Tier 3 stock.
February 21, 2024 - Assessments ,

2023 Assessment Of The Flathead Sole Stock In The Gulf Of Alaska

Flathead sole are distributed from northern California, off Point Reyes, northward along the west coast of North America and throughout the Gulf of Alaska and the Eastern Bering Sea, the Kuril Islands, and possibly the Okhotsk Sea.
February 21, 2024 - Assessments ,

2023 Assessment Of The Dusky Rockfish Stock In The Gulf Of Alaska

The GOA dusky rockfish is classified as a Tier 3 stock and is assessed using a statistical age-structure model.
February 21, 2024 - Assessments ,