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Deep-Water Flatfish Results

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2022 Assessment Of The Deepwater Flatfish Stock Complex In The Gulf Of Alaska

The Gulf of Alaska deepwater flatfish complex is assessed every four years and was last assessed in 2019. In years without an assessment, we present an executive summary to recommend harvest levels for the next two years.
January 06, 2023 - Assessments ,

2021 Assessment Of The Deepwater Flatfish Stock Complex In The Gulf Of Alaska

Please refer to the 2019 full stock assessment report for further information regarding the assessment model. A full stock assessment document with updated assessment and projection model results will be presented in 2023.
February 07, 2022 - Assessments ,

Flatfish Biology Conference

Convened by NOAA Fisheries and first held in 1986, the Flatfish Biology Conference provides researchers with an opportunity to present their findings on all aspects of flatfish research.

2020 Assessment Of The Deepwater Flatfish Stock Complex In The Gulf Of Alaska

The key results from the accepted 2019 assessment are shown in the table below with 2021 specifications rolled over to 2022. The results for Dover sole are based on the author’s base case model and Tier 3a management. A risk matrix approach was used to...
January 29, 2021 - Assessments ,

2019 Assessment of the Deepwater Flatfish Stock Complex in the Gulf of Alaska

The North Pacific Fishery Management Council divided the flatfish assemblage into four categories for management in 1990–"shallow flatfish" and "deep flatfish", flathead sole and arrowtooth flounder. 
January 31, 2020 - Assessments ,

2018 Assessment of the Deepwater Flatfish Stock Complex in the Gulf of Alaska

The Gulf of Alaska deepwater flatfish complex (consisting of Dover sole, Greenland turbot, and deepsea sole) is assessed every four years and was last assessed in 2015. In years without an assessment, we present an executive summary to recommend harvest levels for the next two years. Please refer to the 2015 full stock assessment report for further information regarding the assessment model (McGilliard and Palsson, 2015. A full stock assessment document with updated assessment and projection model results will be presented in 2019.
January 30, 2019 - Assessments ,

2017 Alaska Fisheries Science Center Gulf of Alaska Deep-Water Flatfish Stock Assessment

The National Standard Guidelines for Fishery Management Plans published by the National Marine Fisheries Service (NMFS) require that a stock assessment and fishery evaluation (SAFE) report be prepared and reviewed annually for each fishery management plan (FMP). The SAFE reports are intended to summarize the best available scientific information concerning the past, present, and possible future condition of the stocks and fisheries under federal management. The FMPs for the groundfish fisheries managed by the Council require that drafts of the SAFE reports be produced each year in time for the December North Pacific Fishery Management Council (Council) meetings.
April 11, 2018 - Assessments ,

2017 Alaska Fisheries Science Center Other Flatfish Stock Assessment in the Bering Sea and Aleutian Islands

The Stock Assessment and Fishery Evaluation (SAFE) report summarizes the best available scientific information concerning the past, present, and possible future condition of the stocks, marine ecosystems, and fisheries that are managed under Federal regulation. It provides information to the Councils for determining annual harvest levels from each stock, documenting significant trends or changes in the resource, marine ecosystems, and fishery over time, and assessing the relative success of existing state and Federal fishery management programs. For the FMP for the Groundfish Fishery of the Bering Sea and Aleutian Islands (BSAI) Area, the SAFE report is published in three sections: a “Stock Assessment” section, which comprises the bulk of this document, and “Economic Status of Groundfish Fisheries off Alaska” (i.e., the “Economic SAFE report”) and “Ecosystem Considerations” sections, which are bound separately.
April 10, 2017 - Assessments ,

2016 Assessment of the Deepwater Flatfish Stock Complex in the Gulf of Alaska

The Gulf of Alaska deepwater flatfish complex (consisting of Dover sole, Greenland turbot, and deepsea sole) is assessed on a biennial stock assessment schedule to coincide with the availability of new survey data. For Gulf of Alaska deepwater flatfish, in alternate (even) years we present an executive summary to recommend harvest levels for the next two years.
February 14, 2016 - Assessments ,

2014 Assessment of the Other Flatfish Stock Complex in the Bering Sea and Aleutian Islands

The Bering Sea/Aleutian Islands “other flatfish” group have typically included those flatfish besides northern rock sole, yellowfin sole, arrowtooth flounder, Kamchatka flounder and Greenland turbot. Flathead sole (Hippoglossoides elassodon) were part of the other flatfish complex until they were removed in 1995, and Alaska plaice was removed from the complex in 2002, as sufficient biological data exists for these species to construct age-structured population models. In contrast, survey biomass estimates are the principal data source used to assess the remaining other flatfish. Although over a dozen species of flatfish are found in the BSAI area, the other flatfish biomass consists primarily of starry flounder, rex sole, longhead dab, Dover sole and butter sole. A full list of the species in the other flatfish complex is shown in Table 11.1. At present, no evidence of stock structure is evident for these species in the Bering Sea/Aleutian Islands region, although no formal genetic or tagging study has been conducted on these species in this region.
March 04, 2014 - Assessments ,