Results 111 to 120 of about 305 (140)
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Population status, threats and conservation of the Yangtze finless porpoise
Science Bulletin, 2009The Yangtze finless porpoise (Neophocaena phocaenoides asiaeorientalis) is currently limited to the middle and lower reaches of the Yangtze River from Yichang to Shanghai, China, and the adjoining Poyang and Dongting Lakes. Its population size has decreased remarkably during the last several decades due to the heavy impact of human activities ...
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Habitat preference of the Yangtze finless porpoise in a minimally disturbed environment
Ecological Modelling, 2017Abstract Analyses of animal species distribution in a neutral or minimally-interrupted habitat provide a baseline that is essential for assessment of population status, identification of key habitat, and conservation planning for habitat protection and restoration. In this study, we surveyed the occurrence of the Yangtze finless porpoise (Neophocaena
Zhigang Mei +9 more
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Passive acoustical survey of finless porpoises in the Yangtze River, China
The Journal of the Acoustical Society of America, 1999Finless porpoises (Neophocaena phocaenoides) are distributed in Asian waters. The narrow-band and high-frequency pulse sonar signals produced by this species are distinctive from background noises. Underwater sound monitoring by a hydrophone (BK8103) along board sides of a research vessel concurrent with visual observation were conducted in the Yangtze
Tomonari Akamatsu +2 more
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Journal of Hazardous Materials, 2023
Psychoactive substances have been identified as a kind of emerging contaminants in aquatic environment and pose potential adverse effects on aquatic animals. Yangtze finless porpoise, a critically endangered species in China, is also facing the threat of psychoactive substances. In this study, the accumulation characteristics and risk prioritization of
Zeyuan, Wang +4 more
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Psychoactive substances have been identified as a kind of emerging contaminants in aquatic environment and pose potential adverse effects on aquatic animals. Yangtze finless porpoise, a critically endangered species in China, is also facing the threat of psychoactive substances. In this study, the accumulation characteristics and risk prioritization of
Zeyuan, Wang +4 more
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Saving the Yangtze finless porpoise: Time is rapidly running out
Biological Conservation, 2017Abstract The Yangtze finless porpoise (Neophocaena asiaeorientalis asiaeorientalis) is the world's only freshwater porpoise and is endemic to the Yangtze River. However, it is now Critically Endangered, with its long-term survival very uncertain due to escalating anthropogenic pressure.
Shiang-Lin Huang +5 more
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Finding baiji and freshwater finless porpoises in the Yangtze River, China
The Journal of the Acoustical Society of America, 2011A stereo passive acoustic event recorder (A-tag) has been applied for range-wide monitoring of baiji and finless porpoises in China. As the pilot study, two research vessels were operated in 1700 km historic habitat of both species from Yichang to Shanghai in 2006.
Tomonari Akamatsu +7 more
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Individual variability of echolocation and diving behavior of Yangtze finless porpoises
The Journal of the Acoustical Society of America, 2012Passive acoustic monitoring has been widely applied to observe the presence, movement and behavior of the target species. For quantitative analysis, the acoustic cue production rate of the target animals must be observed in advance. We examined the detailed pattern of biosonar and swimming behaviors of 10 Yangtze finless porpoises (1 female and 9 males)
Satoko Kimura +5 more
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In Vitro Cellular & Developmental Biology - Animal, 2011
The Yangtze finless porpoise (Neophocaena phocaenoides asiaeorientalis), as the sole freshwater subspecies of N. phocaenoides, is endemic to the Yangtze River and its adjacent lakes. Its population has declined significantly over recent decades. In this study, we established a skin-derived finite fibroblast cell line of the Yangtze finless porpoise ...
Jingzhen, Wang +5 more
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The Yangtze finless porpoise (Neophocaena phocaenoides asiaeorientalis), as the sole freshwater subspecies of N. phocaenoides, is endemic to the Yangtze River and its adjacent lakes. Its population has declined significantly over recent decades. In this study, we established a skin-derived finite fibroblast cell line of the Yangtze finless porpoise ...
Jingzhen, Wang +5 more
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Background Information of Poyang Lake and Yangtze Finless Porpoises
2012Before I start describing Yangtze finless porpoises (YFPs), I need to put this animal and the need to protect it into context. Therefore, this chapter seeks to introduce the area, Poyang Lake, and identify major use conflicts with respect to ecology and economy.
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Isolation and identification of pathogenic Aeromonas veronii from a dead Yangtze finless porpoise
Diseases of Aquatic Organisms, 2018Diseases caused by Aeromonas veronii in freshwater fish have been widely reported, but other species such as aquatic mammals have probably been overlooked. Here, we identified one isolate of A. veronii from a Yangtze finless porpoise Neophocaena asiaeorientalis asiaeorientalis exhibiting disease and mortality, and subsequently confirmed its virulence ...
Z G, Liu +7 more
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