Fishing gears involved in entanglements of minke whales (Balaenoptera acutorostrata) in the East Sea of Korea

作者: Kyung-Jun Song , Zang Geun Kim , Chang Ik Zhang , Yeong Hoon Kim

DOI: 10.1111/J.1748-7692.2009.00340.X

关键词: FishingFisheryFuture studiesBalaenopteraBody sizePopulationCetaceaGeographyWater depthMinke whale

摘要: Entanglement of marine mammals in fishing gear is a global issue. It considered significant threat to minke whales (Balaenoptera acutorostrata) the East Sea Korea. A total 214 entanglements this area between 2004 and 2007 were used investigate types parts gears involved entanglements. The majority mainly caused by three gears: set nets, pots, gill nets (n = 207, 96.7%). Other associated with bottom trawls, purse seines, trawls. 65 attributed main branch lines gears. most common body part which attached was mouth 63, 30.4%). Most took place within 10 nmi from land 179, 86.5%), 220 m water depth. mean length entangled significantly smaller than that pots samples (P < 0.001). Also, coastal shallow waters shorter offshore deep This information can be as fundamental data conserve manage population Korea, also modify reduce Future studies should focus on investigating impact these effectiveness mitigation measures area.

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