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Spatial and Temporal Distribution Dynamics of the Yangtze Finless Porpoise at the Confluence of the Yangtze and Wanhe Rivers: Implications for Conservation

Spatial and Temporal Distribution Dynamics of the Yangtze Finless Porpoise at the Confluence of the Yangtze and Wanhe Rivers: Implications for Conservation

Minmin Chen1, Xiaoke Zhang1, Kexiong Wang2, Zhigang Liu1, An Wan3, Daoping Yu1,*, Hong Ji3 and Fangzhen Peng1

1Research center of Aquatic Organism Conservation and Water Ecosystem Restoration in Anhui Province, College of Life Science, Anqing Normal University, Anqing 246133, China
2The Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology of Chinese Academy of Sciences, Wuhan 430072, China
3College of Resources and Environment, Anqing Normal University, Anqing 246133, China

*      Corresponding author: ahyudp@163.com

Fig. 1.

The location of the estuary of Wanhe River (A) and the divided six different zones (B): 1 flow deflection; 2 flow stagnation; 3 flow separation; 4 maximum velocity; 5 shear layer; 6 mainstream. Black rectangle represents the observation boat and the dotted curve represents the observation area.

Fig. 2.

Observation rate of the Yangtze finless porpoise at the confluence of Yangtze and Wanhe Rivers in different seasons.

Fig. 3.

Occurrence percentage of the Yangtze finless porpoise in the six different hydrological zones.

Pakistan Journal of Zoology

June

Vol. 50, Iss. 3, Pages 799-1198

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