Fishers' knowledge as an information source to investigate bycatch of marine mammals in the South China Sea
Liu, M.1,2; Lin, M.1; Turvey, S. T.3; Li, S.1
2017-04-01
发表期刊ANIMAL CONSERVATION
卷号20期号:2页码:182-192
摘要

Bycatch mortality is a significant driver of marine mammal population declines. However, there is little information available on patterns or magnitude of bycatch mortality in many heavily fished Asian marine systems such as the South China Sea (SCS). To address this limited knowledge base, we conducted interviews with fishers to gather local ecological knowledge on marine mammal bycatch around Hainan Island, China. Gillnets were the primary fishing gear used in local fisheries, and were also responsible for the majority of reported marine mammal bycatch events in recent decades. Bycatch events were reported from all seasons but were most frequent in spring (38.4%), which might relate to seasonal variation in fishing activities. The spatial pattern of relative bycatch densities for Indo-Pacific humpback dolphins, Indo-Pacific finless porpoises and unidentified small dolphins varied around Hainan and neighbouring waters. A substantial proportion of informants (36.1 and 9.2% respectively) reported that they have eaten or sold marine mammal meat, demonstrating the continued existence of cultural practices of consuming marine mammals on Hainan. Responses of fishers to bycatch events were dependent both on their existing attitudes and perceptions towards marine mammals and on other sociocultural factors. Almost half of informants agreed that marine mammal populations in the SCS have decreased. Declines were thought by informants to have been caused by overfishing, water pollution and vessel collisions, with bycatch responsible for further declines in dolphins.

文章类型Article
关键词Bycatch Mortality Local Ecological Knowledge Questionnaire-based Interviews Marine Mammal Conservation Dolphins Fisheries South China Sea
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1111/acv.12304
收录类别SCI
语种英语
关键词[WOS]LOCAL ECOLOGICAL KNOWLEDGE ; YANGTZE FINLESS PORPOISE ; FRESH-WATER CETACEAN ; FISHING GEAR ; BY-CATCH ; CONSERVATION ; EXTINCTION ; POPULATION ; RIVER ; MITIGATION
WOS类目Biodiversity Conservation ; Ecology
WOS记录号WOS:000398629900013
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.idsse.ac.cn/handle/183446/2047
专题深海科学研究部_深海生物学研究室_海洋哺乳动物与海洋生物声学研究组
通讯作者Liu, M.
作者单位1.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya Key Lab Marine Mammal & Marine Bioacoust, Sanya 572000, Hainan, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Zool Soc London, Inst Zool, London, England
第一作者单位中国科学院深海科学与工程研究所
通讯作者单位中国科学院深海科学与工程研究所
推荐引用方式
GB/T 7714
Liu, M.,Lin, M.,Turvey, S. T.,et al. Fishers' knowledge as an information source to investigate bycatch of marine mammals in the South China Sea[J]. ANIMAL CONSERVATION,2017,20(2):182-192.
APA Liu, M.,Lin, M.,Turvey, S. T.,&Li, S..(2017).Fishers' knowledge as an information source to investigate bycatch of marine mammals in the South China Sea.ANIMAL CONSERVATION,20(2),182-192.
MLA Liu, M.,et al."Fishers' knowledge as an information source to investigate bycatch of marine mammals in the South China Sea".ANIMAL CONSERVATION 20.2(2017):182-192.
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