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Survival and population size of the Indo-Pacific humpback dolphins off the eastern Leizhou Peninsula

文献类型：期刊论文

作者Lin, Wenzhi5; Chen, Shenglan4,5; Liu, Binshuai4,5; Zheng, Ruiqiang3; Serres, Agathe5; Lin, Mingli5; Liu, Mingming5; Li, Songhai1,2,5
刊名MARINE MAMMAL SCIENCE
出版日期2024-07-05
页码20
关键词Chinese white dolphin coastal dolphin population reduction Sousa chinensis survival Zhanjiang
ISSN号0824-0469
DOI10.1111/mms.13156
英文摘要Indo-Pacific humpback dolphins form a resident population off the east coast of Leizhou Peninsula (LZP) in South China. The most recent study suggested similar to 1,500 individuals in this area, making this population one of only two populations of this species exceeding 1,000 individuals. However, demographic information regarding this population has been lacking since 2012. Using a 5-year (2019-2023) photo-identification data set, we examined two key demographic parameters of the LZP population, namely the apparent survival and population size, using multistate capture-recapture analyses. Annual survival probabilities (phi) changed over time, fluctuating between 0.942 and 0.961 for adults, and between 0.787 and 0.837 for juveniles. Jolly-Seber multistate model analyses resulted in highly comparable noncalf population size estimates from 2020 to 2023 ((N) over cap (2020) = 479, SE = 28; (N) over cap (2021) = 458, SE = 29; (N) over cap (2022) = 481, SE = 27; (N) over cap (2023) = 446, SE = 31). By reviewing the available demographic information, we conclude that the population size of LZP humpback dolphins has been previously overestimated. The time-dependent survivals seemingly reflect a dynamic development of anthropogenic disturbance during the pandemic period. We propose that the population status should be re-evaluated, especially in the postpandemic era when the human activities came back to "normal" levels.
WOS关键词TAIWAN STRAIT POPULATION ; SOUSA-CHINENSIS ; CONSERVATION STATUS ; HONG-KONG ; ABUNDANCE ; MARK ; PARAMETERS ; ESTUARY ; TESTS
资助项目National Natural Science Foundation of China[42225604] ; National Natural Science Foundation of China[32150410369] ; National Natural Science Foundation of China[41306169] ; National Natural Science Foundation of China[41422604] ; Disney Conservation Fund[2022-2023] ; Ministry of Ecology and Environment of China[2019-2023] ; Tencent Foundation[2021-2023] ; International Partnership Program of the Chinese Academy of Sciences[183446KYSB20200016] ; Zhilan Foundation[2021-2023] ; The One Beltand One Road Science and Technology Co-operation Special Program of the International Partnership Program of the Chinese Academy of Sciences[183446KYSB20200016]
WOS研究方向Marine & Freshwater Biology ; Zoology
语种英语
WOS记录号WOS:001263264000001
出版者WILEY
资助机构National Natural Science Foundation of China ; Disney Conservation Fund ; Ministry of Ecology and Environment of China ; Tencent Foundation ; International Partnership Program of the Chinese Academy of Sciences ; Zhilan Foundation ; The One Beltand One Road Science and Technology Co-operation Special Program of the International Partnership Program of the Chinese Academy of Sciences
源URL[http://ir.idsse.ac.cn/handle/183446/11515]  
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
研究生部
通讯作者Li, Songhai
作者单位1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan, Peoples R China
2.Chinese Acad Sci, Innovat Res Ctr Aquat Mammals, Wuhan, Peoples R China
3.China Blue Sustainabil Inst, Haikou, Peoples R China
4.Univ Chinese Acad Sci, Beijing, Peoples R China
5.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Marine Mammal & Marine Bioacoust Lab, Sanya, Peoples R China
推荐引用方式
GB/T 7714		 Lin, Wenzhi,Chen, Shenglan,Liu, Binshuai,et al. Survival and population size of the Indo-Pacific humpback dolphins off the eastern Leizhou Peninsula[J]. MARINE MAMMAL SCIENCE,2024:20.
APA Lin, Wenzhi.,Chen, Shenglan.,Liu, Binshuai.,Zheng, Ruiqiang.,Serres, Agathe.,...&Li, Songhai.(2024).Survival and population size of the Indo-Pacific humpback dolphins off the eastern Leizhou Peninsula.MARINE MAMMAL SCIENCE,20.
MLA Lin, Wenzhi,et al."Survival and population size of the Indo-Pacific humpback dolphins off the eastern Leizhou Peninsula".MARINE MAMMAL SCIENCE (2024):20.

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来源：深海科学与工程研究所

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