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题名: Yangtze finless porpoises along the main channel of Poyang Lake, China: Implications for conservation
作者: Dong, Lijun1, 2; Wang, Ding1; Wang, Kexiong1; li, Songhai3; Mei, Zhigang1; Wang, Shiyong1, 2; Akamatsu, Tomonari4, 5; Kimura, Satoko6
通讯作者: Wang, D (reprint author), Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Inst Hydrobiol, Wuhan, Peoples R China.
关键词: cetacean ; finless porpoise ; Yangtze River ; season ; passive acoustic survey ; population status ; distribution
刊名: MARINE MAMMAL SCIENCE
发表日期: 2015-04-01
DOI: 10.1111/mms.12181
卷: 31, 期:2, 页:612-628
收录类别: SCI
文章类型: Article
部门归属: [Dong, Lijun ; Wang, Ding ; Wang, Kexiong ; Mei, Zhigang ; Wang, Shiyong] Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Inst Hydrobiol, Wuhan, Peoples R China ; [Dong, Lijun ; Wang, Shiyong] Univ Chinese Acad Sci, Beijing, Peoples R China ; [li, Songhai] Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Marine Mammal & Marine Bioacoust Lab, Sanya, Peoples R China ; [Akamatsu, Tomonari] Fisheries Res Agcy, Natl Res Inst Fisheries Engn, Kamisu, Ibaraki, Japan ; [Akamatsu, Tomonari] Japan Sci & Technol Agcy, CREST, Chiyoda Ku, Tokyo, Japan ; [Kimura, Satoko] Nagoya Univ, Grad Sch Environm Studies, Chikusa Ku, Nagoya, Aichi 4648601, Japan
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Marine & Freshwater Biology ; Zoology
研究领域[WOS]: Marine & Freshwater Biology ; Zoology
英文摘要: Poyang Lake is the largest freshwater lake in China and flows into the Yangtze River. It is a traditional habitat for the endangered Yangtze finless porpoise, which has not been well investigated. To reveal the distribution of the porpoise in Poyang Lake, 12 passive acoustic surveys were conducted along 123 km of the main channel of the lake during different seasons (spring transition season, wet season, autumn transition season, and dry season) from 2008 to 2012. We counted the number of phonating porpoises encountered and calculated the detection rate (encountered individuals detected per kilometer). The median porpoise detection rates ranged from 0 to 0.65 individuals per kilometer during the different surveys. The highest median detection rate of 0.50 was detected in the autumn transition season. The seasonal shrinking of the lake during the dry season may cause a concentration of porpoises in the narrow channels and a high incidence of collisions with cargo ships and fishing boats. Conservation actions should be focused on the main channel of the lake during the dry and transition seasons. In addition, the expansion of the existing reserve to include areas with high porpoise detection rates is necessary.
关键词[WOS]: PASSIVE ACOUSTIC DETECTION ; NEOPHOCAENA-PHOCAENOIDES ; DENSITY-ESTIMATION ; INIA-GEOFFRENSIS ; RIVER DOLPHIN ; ABUNDANCE ; EXTINCTION ; CETACEAN ; WHALES ; ASIAEORIENTALIS
语种: 英语
WOS记录号: WOS:000353382900012
ISSN号: 0824-0469
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23829
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Key Lab Aquat Biodivers & Conservat, Inst Hydrobiol, Wuhan, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Marine Mammal & Marine Bioacoust Lab, Sanya, Peoples R China
4.Fisheries Res Agcy, Natl Res Inst Fisheries Engn, Kamisu, Ibaraki, Japan
5.Japan Sci & Technol Agcy, CREST, Chiyoda Ku, Tokyo, Japan
6.Nagoya Univ, Grad Sch Environm Studies, Chikusa Ku, Nagoya, Aichi 4648601, Japan
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