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Update on the Spatial Distribution of Butterfish, 1982-2019
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Description:This document updates a prior analysis of the spatial distribution of butterfish (Peprilus triacanthus) in the Northwest Atlantic Ocean with 6 additional years of Northeast Fisheries Science Center (NEFSC) spring and fall bottom trawl survey data. The primary findings are that there was a significant increase in area occupancy for all ages of butterfish over the spring time series, as well as a significant increase in area occupancy for age 0 butterfish in the fall, due in part to a range expansion into the Gulf of Maine. It is recommended that inclusion of the NEFSC spring bottom trawl survey data in the assessment model should be considered in the upcoming research track, as well as Gulf of Maine and outer Georges Bank strata.
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Rights Information:Public Domain
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