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Seasonal changes in the local distribution of Yangtze finless porpoises related to fish presence
Kimura, Satoko2; Akamatsu, Tomonari3; Li, Songhai1,4; Dong, Lijun1; Wang, Kexiong1; Wang, Ding1; Arai, Nobuaki2; Wang, KX (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China.
2012-04-01
Source PublicationMARINE MAMMAL SCIENCE
ISSN0824-0469
Volume28Issue:2Pages:308-324
AbstractThe Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis) is an endangered freshwater porpoise subspecies unique to the Yangtze River basin. Seasonal variations in local distribution of the animal, as well as fish presence, sand dredging, ship navigation, and bridges were examined as potential factors affecting the occurrence of the animals. Passive acoustic surveys were performed regularly from May 2007 to August 2010, near the conjunction of the Yangtze River and Poyang Lake. The distribution of the porpoises was seasonally site-specific. In May and August, the animals were detected more often at river junctions than in the lake, but vice versa from November to February. The rate of the porpoise detection was significantly higher in areas of fish presence than in areas of absence. The number of porpoises detected did not differ significantly between the sand dredging operation and the prohibition period (in 2008), although the number of vessels obviously declined in 2008. Ship traffic and bridges also did not appear to affect the presence of porpoises. These results showed the relative importance of the various environmental factors, which is important for conservation of not only Yangtze finless porpoise but also endangered isolated cetaceans.; The Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis) is an endangered freshwater porpoise subspecies unique to the Yangtze River basin. Seasonal variations in local distribution of the animal, as well as fish presence, sand dredging, ship navigation, and bridges were examined as potential factors affecting the occurrence of the animals. Passive acoustic surveys were performed regularly from May 2007 to August 2010, near the conjunction of the Yangtze River and Poyang Lake. The distribution of the porpoises was seasonally site-specific. In May and August, the animals were detected more often at river junctions than in the lake, but vice versa from November to February. The rate of the porpoise detection was significantly higher in areas of fish presence than in areas of absence. The number of porpoises detected did not differ significantly between the sand dredging operation and the prohibition period (in 2008), although the number of vessels obviously declined in 2008. Ship traffic and bridges also did not appear to affect the presence of porpoises. These results showed the relative importance of the various environmental factors, which is important for conservation of not only Yangtze finless porpoise but also endangered isolated cetaceans.
SubtypeArticle
KeywordBioacoustics Cetacean Odontocete Dolphin Echolocation Prey Availability Anthropogenic Impact Towed Passive Acoustic Monitoring
Department[Li, Songhai; Dong, Lijun; Wang, Kexiong; Wang, Ding] Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China; [Kimura, Satoko; Arai, Nobuaki] Kyoto Univ, Grad Sch Informat, Kyoto 6068501, Japan; [Akamatsu, Tomonari] Fisheries Res Agcy, Natl Res Inst Fisheries Engn, Kamisu, Ibaraki 3140408, Japan; [Li, Songhai] Univ Hawaii, Marine Mammal Res Program, Hawaii Inst Marine Biol, Kailua, HI 96734 USA
DOI10.1111/j.1748-7692.2011.00490.x
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationJapanese Research and Development Program for New Bio-Industry Initiatives[19405005]; National Natural Science Foundation of China[30730018]; Chinese Academy of Science; Ocean Park Conservation Foundation of Hong Kong; Japan Science Society[19-740M, 20-747MK]; JSPS[21-2560]; Kyoto University ; Japanese Research and Development Program for New Bio-Industry Initiatives[19405005]; National Natural Science Foundation of China[30730018]; Chinese Academy of Science; Ocean Park Conservation Foundation of Hong Kong; Japan Science Society[19-740M, 20-747MK]; JSPS[21-2560]; Kyoto University ; Japanese Research and Development Program for New Bio-Industry Initiatives[19405005]; National Natural Science Foundation of China[30730018]; Chinese Academy of Science; Ocean Park Conservation Foundation of Hong Kong; Japan Science Society[19-740M, 20-747MK]; JSPS[21-2560]; Kyoto University ; Japanese Research and Development Program for New Bio-Industry Initiatives[19405005]; National Natural Science Foundation of China[30730018]; Chinese Academy of Science; Ocean Park Conservation Foundation of Hong Kong; Japan Science Society[19-740M, 20-747MK]; JSPS[21-2560]; Kyoto University
Indexed BySCI
Language英语
WOS Research AreaMarine & Freshwater Biology ; Zoology
WOS SubjectMarine & Freshwater Biology ; Zoology
WOS IDWOS:000303051500014
WOS KeywordNEOPHOCAENA-PHOCAENOIDES-ASIAEORIENTALIS ; PHOCOENA-PHOCOENA ; CONSERVATION ; ABUNDANCE ; CONCURRENT ; BEHAVIOR ; PACIFIC ; HISTORY ; CETACEA ; WHALES
Funding OrganizationJapanese Research and Development Program for New Bio-Industry Initiatives[19405005]; National Natural Science Foundation of China[30730018]; Chinese Academy of Science; Ocean Park Conservation Foundation of Hong Kong; Japan Science Society[19-740M, 20-747MK]; JSPS[21-2560]; Kyoto University ; Japanese Research and Development Program for New Bio-Industry Initiatives[19405005]; National Natural Science Foundation of China[30730018]; Chinese Academy of Science; Ocean Park Conservation Foundation of Hong Kong; Japan Science Society[19-740M, 20-747MK]; JSPS[21-2560]; Kyoto University ; Japanese Research and Development Program for New Bio-Industry Initiatives[19405005]; National Natural Science Foundation of China[30730018]; Chinese Academy of Science; Ocean Park Conservation Foundation of Hong Kong; Japan Science Society[19-740M, 20-747MK]; JSPS[21-2560]; Kyoto University ; Japanese Research and Development Program for New Bio-Industry Initiatives[19405005]; National Natural Science Foundation of China[30730018]; Chinese Academy of Science; Ocean Park Conservation Foundation of Hong Kong; Japan Science Society[19-740M, 20-747MK]; JSPS[21-2560]; Kyoto University
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/16811
Collection水生生物多样性与资源保护研究中心_期刊论文
Corresponding AuthorWang, KX (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China
2.Kyoto Univ, Grad Sch Informat, Kyoto 6068501, Japan
3.Fisheries Res Agcy, Natl Res Inst Fisheries Engn, Kamisu, Ibaraki 3140408, Japan
4.Univ Hawaii, Marine Mammal Res Program, Hawaii Inst Marine Biol, Kailua, HI 96734 USA
Recommended Citation
GB/T 7714
Kimura, Satoko,Akamatsu, Tomonari,Li, Songhai,et al. Seasonal changes in the local distribution of Yangtze finless porpoises related to fish presence[J]. MARINE MAMMAL SCIENCE,2012,28(2):308-324.
APA Kimura, Satoko.,Akamatsu, Tomonari.,Li, Songhai.,Dong, Lijun.,Wang, Kexiong.,...&Wang, KX .(2012).Seasonal changes in the local distribution of Yangtze finless porpoises related to fish presence.MARINE MAMMAL SCIENCE,28(2),308-324.
MLA Kimura, Satoko,et al."Seasonal changes in the local distribution of Yangtze finless porpoises related to fish presence".MARINE MAMMAL SCIENCE 28.2(2012):308-324.
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