Using local ecological knowledge to determine ecological status and threats of the East Asian finless porpoise, Neophocaena asiaeorientalis sunameri, in south Bohai Sea, China
文献类型： 外文期刊
作者： Cheng, Zhaolong 1 ; Pine, Matthew Keith 3 ; Li, Yongtao 1 ; Zuo, Tao 1 ; Niu, Mingxiang 1 ; Wan, Xiaoling 4 ; Zhao, Xi 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, 106 Nanjing Rd, Qingdao 266071, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Ecol & Environm Sci, 1 Wenhai Rd, Qingdao 266071, Peoples R China
3.Univ Victoria, Dept Biol, 3800 Finnerty Rd, Victoria, BC V8P 5C2, Canada
4.Chinese Acad Sci, Inst Hydrobiol, 7 Donghu South Rd, Wuhan 430072, Peoples R China
关键词： Spatio-temporal distribution; Threats; Local ecological knowledge; Questionnaire-based interviews; The East Asian finless porpoise
期刊名称：OCEAN & COASTAL MANAGEMENT （ 影响因子：3.284； 五年影响因子：3.663 ）
ISSN： 0964-5691
年卷期： 2021 年 203 卷
页码：
收录情况： SCI
摘要： Little effort has been made to conserve the East Asian finless porpoise, which is hindered by a lack of robust baseline data on their population status and threats. We conducted a local ecological knowledge survey around south Bohai Sea to collect information about the spatio-temporal distribution, population trends, and threats to East Asian finless porpoises. Based on the local ecological knowledge of 186 fishermen, April and September were the two months when porpoises were most frequently sighted, while February, November and December were when sightings were rare. Western coastal of Laizhou Bay and southern regions around Yellow River Estuary were identified as hotspots for sightings. More than half of the fishermen reported an overall decline in population through increasing water pollution, lower food resources and sustained fishery bycatch. These results provide insights into the distribution pattern and seasonal trends of the East Asian finless porpoises living in south Bohai Sea, thereby providing useful information for local authorities tasked with protecting this endangered cetacean.
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