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Loggerhead Turtle Interactions in Mid-Atlantic Bottom Trawl Gear, 2001-2019
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2023
[PDF-1.28 MB]
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Description:This document describes analyses performed to examine whether the rate of interactions between loggerhead sea turtles (Caretta caretta) and bottom trawl fishing gear has changed over the period of 2001-2019 in order to test some of the assumptions of the approach currently used to estimate fisheries interactions in the Mid-Atlantic scallop dredge fishery. Most vessels dredging for Atlantic sea scallops (Placopecten magellanicus) are required to use chain mats and turtle deflector dredges, and turtles may interact with such modified gear without being captured. Consequently, fewer interactions between turtles and dredge gear may be observed than actually occur. However, we expect interactions with bottom trawl gear to be proportional to interactions with dredge gear. Therefore, we examine interaction rates over time based on observations on vessels using bottom trawl gear in the area between 37° N and 42° N latitude and west of 71° W longitude, where the majority of the Atlantic sea scallop dredge fishing effort occurs.
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Rights Information:CC0 Public Domain
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Compliance:Submitted
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