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Seabird Bycatch Estimates for Alaska Groundfish Fisheries: 2018
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2019
[PDF-1.04 MB]
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Description:Seabirds are unintentionally caught in commercial fisheries and this unintentional catch is referred to as bycatch. Federal law in the US requires bycatch be minimized to the extent practicable, and specific modifications to fishing gear and practices are required by Federal regulation to reduce seabird bycatch. Off Alaska, most seabird bycatch has historically occurred in fisheries using demersal longline (i.e., hook-and-line) gear. Since 2004, seabird bycatch has decreased in fisheries using demersal longline gear off Alaska as a result of good compliance with seabird avoidance regulations (Melvin et al. 2019). While the occurrence of seabird bycatch is now relatively rare given the level of commercial fishing effort off Alaska each year (average of 0.019 birds per 1000 hooks from 2002 through 2015; Melvin et al. 2019), bycatch of seabirds does occur and remains an issue in the Federal fisheries off Alaska. NOAA’s National Marine Fisheries Service (NOAA Fisheries) annually updates estimates of seabirds caught as bycatch in commercial groundfish and halibut fisheries operating in Federal waters off Alaska. This annual report details seabird bycatch estimates by gear type for the years 2010 through 2018 and supplements the “Seabird Bycatch and Mitigation Efforts in Alaska Fisheries Summary Report: 2007 through 2015” (Eich et al. 2016), which has been supplemented previously with data through 2017 (Eich et al. 2018). The focus of this report is to add and describe seabird bycatch data for 2018. This report presents bycatch estimates from the following gear types: demersal longline, pelagic trawl, non-pelagic trawl, and pot.
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Rights Information:Public Domain
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