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Estimates of cetacean and pinniped bycatch in Northeast and Mid-Atlantic bottom trawl fisheries, 2011-2015
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Description:This report provides bycatch estimates for 9 species of small cetaceans and pinnipeds caught in the Northeast (NEBT) and Mid-Atlantic (MABT) bottom trawl fisheries during 2011- 2015. Mean annual bycatch estimates from the NEBT fishery were 34.30 (coefficient of variation [CV] = 0.20) common dolphins (Delphinus delphis delphis), 0.83 (CV = 0.91) Risso's dolphins (Grampus griseus), 22.86 (CV = 0.18) long-finned pilot whales (Globicephala melas), 3.71 (CV = 0.49) harbor porpoises (Phocoena phocoena phocoena), 45.80 (CV = 0.14) Atlantic white-sided dolphins (Lagenorhynchus acutus), 3.73 (CV = 0.65) offshore common bottlenose dolphins (Tursiops truncatus truncatus), 31.49 (CV = 0.16) gray seals (Halichoerus grypus grypus), 0.58 (CV = 0.81) harp seals (Pagophilus groenlandicus), and 5.30 (CV = 0.34) harbor seals (Phoca vitulina concolor). Mean annual bycatch estimates in the MABT fishery were 280.13 (CV = 0.12) common dolphins, 27.61 (CV = 0.32) Risso's dolphins, 10.70 (CV = 0.43) offshore common bottlenose dolphins, 1.93 (CV = 0.94) Atlantic white-sided dolphins, 22.46 (CV = 0.44) gray seals, and 10.14 (CV = 0.53) harbor seals.
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Content Notes:by Samuel Chavez-Rosales, Marjorie C Lyssikatos, Joshua Hatch.
"October 2017."
Includes bibliographical references.
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Rights Information:Public Domain
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