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The Preliminary Study on Mother-Calf Interactive Behavior of Yangtze Finless Porpoise in Semi-Natural Waters(PDF)

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2024年02期
Page:
84-90
Research Field:
江豚生态学与保护生物学
Publishing date:

Info

Title:
The Preliminary Study on Mother-Calf Interactive Behavior of Yangtze Finless Porpoise in Semi-Natural Waters
Author(s):
Chen Ran; Wang Chen; Yin Wenge; Mi Li; Jiang Wenhua
(Tongling Freshwater Dolphins National Nature Reserve,Tongling 244161,China)
Keywords:
Yangtze Finless Porpoise; semi-natural water; pack behavior; mother-calf dolphin; interactive behavior
PACS:
S917
DOI:
10.3969/j.issn.1001-4616.2024.02.010
Abstract:
Breeding and offspring-nurture is the only way for animals to keep their genes alive,so animals not only ensure their own survival but also need to keep their offspring's survival. From May of 2014 to June of 2015,the study separately chose coastal stationary and mobile tracking methods to observe two adult female Yangtze Finless Porpoise(Neophocaena asiaeorientalis)by focal-animal sampling methods in a semi-natural water in Tongling Freshwater Dolphins National Nature Reserve. The result showed there were rich breeding behaviors in female Finless Porpoises living in semi-natural water area. The main maternal behaviors were pack,intervene,accompanying swim and physical touch. Accompanying swim and physical touch could be observed during the whole study. The study also found that the separation time of calf and mother was significantly positively correlated with the monthly age of calf dolphins. This study provides the interaction mode of mother and calf dolphins in semi-natural water enviroment,which has certain reference value for the remote protection and management of Yangtze Finless Porpoise.

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Last Update: 2024-06-15