Integrated approaches for comprehensive cetacean research and conservation in the East China Sea

文献类型: 外文期刊

第一作者: Yang, Shaobo

作者: Yang, Shaobo;Jin, Yan;Li, Shengfa;Liu, Zunlei;Yang, Shaobo;Jin, Yan;Li, Shengfa;Liu, Zunlei

作者机构: Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China;Shanghai Ocean Univ, Coll Marine Sci, Shanghai 201306, Peoples R China;Minist Agr & Rural Affairs, Key Lab East China Sea Fishery Resources Exploitat, Shanghai 200090, Peoples R China

关键词: Cetacean distribution; Local ecological knowledge; Visual surveys; eDNA metabarcoding; Diet composition

期刊名称:MARINE POLLUTION BULLETIN ( 2023影响因子:5.3; 五年影响因子:6.1 )

ISSN: 0025-326X

年卷期: 2024 年 206 卷

页码:

收录情况: SCI

摘要: This study thoroughly examines three cetacean monitoring methods and assessing their advantages and limitations, establishing a foundational basis for comprehensive information on composition, distribution, and behavior. While real-time and non-invasive, visual surveys favor surface-active cetaceans and are weather- dependent. Local ecological knowledge supplements insights into group behavior. Environmental DNA (eDNA) analysis efficiently detects species like the narrow-ridged finless porpoise ( Neophocaena asiaeorientalis) ) and common bottlenose dolphin ( Tursiops truncatus), ), offering non-invasive, and spatially adept monitoring. Furthermore, eDNA provides prey species information, revealing the narrow-ridged finless porpoise's winter migration to deeper waters due to prey distribution. The study identifies prevalent prey species, like the Japanese Anchovy ( Engraulis japonicus) ) and Osbeck's grenadier anchovy ( Coilia mystus), ), offering insights into the porpoise's feeding ecology and adaptation to changing prey availability in winter. This study systematically compares diverse methodologies employed in cetacean surveys, thereby yielding a comprehensive understanding of cetacean distribution, behavior, and feeding ecology.

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