期刊
OCEANOLOGY
卷 61, 期 5, 页码 677-686出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/S0001437021040093
关键词
Back Sea bottlenose dolphin; acoustic activity; tone sounds; signature whistles; local population; social structure
类别
资金
- state tasks of the Vyazemsky Karadag Scientific Station, Nature Reserve, branch of Kovalevsky Institute of Biology of the Southern Seas, Russian Academy of Sciences [121032300019-0]
- Shirshov Institute of Oceanology, Russian Academy of Sciences [0149-2019-0009]
This study focused on investigating the spatiotemporal structure of the local population of Black Sea bottlenose dolphins and identifying stable relationships between individuals in groups. The researchers used observations and acoustic records from 2014-2018 in the coastal waters of southeastern Crimea. By combining visual and acoustic identification methods, they were able to accurately record the number and migrations of dolphins, as well as identify their stable associations forming the social structure of the community.
This study was focused on the investigation of the spatiotemporal structure of the local population of the Black Sea bottlenose dolphins and the identification of stable relationships between individuals in groups. Observations and acoustic records were performed in 2014-2018 in the coastal waters of the southeastern Crimea from Cape Meganom to Cape Agir. The main method used for identifying individuals was acoustic identification on the basis of the compiled catalogue of signature whistles, signals with a frequency contour shape unique for each dolphin. The combination of visual and acoustic identification methods made it possible to accurately record the number and migrations of dolphins, as well as to identify their stable associations that form the social structure of the community.
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