Platanista gangetica, a dolphin that swims on its side
نویسندگان
چکیده
منابع مشابه
Morphology of the tracheobronchial tree of the Ganges river dolphin (Platanista gangetica).
To contribute to the phylogenetic evaluation of the river dolphin, the morphology of the tracheobronchial tree of the Ganges river dolphin was analyzed according to Nakakuki's fundamental bronchial tree model of mammals. In the right lung, the bronchial tree consists of the tracheal bronchus, five lateral series bronchi, three dorsal series bronchi and one ventral series bronchus. In the left l...
متن کاملCharacterization of the artisanal fishing communities in Nepal and potential implications for the conservation and management of Ganges River Dolphin (Platanista gangetica gangetica)
The Ganges River dolphin (Platanista gangetica gangetica) (GRD) is classified as one of the most endangered of all cetaceans in the world and the second scarcest freshwater cetacean. The population is estimated to be less than 2,000 individuals. In Nepal's Narayani, Sapta Koshi, and Karnali river systems, survival of GRD continues to be threatened by various anthropogenic activities, such as da...
متن کاملHabitat Fragmentation and Species Extirpation in Freshwater Ecosystems; Causes of Range Decline of the Indus River Dolphin (Platanista gangetica minor)
Habitat fragmentation of freshwater ecosystems is increasing rapidly, however the understanding of extinction debt and species decline in riverine habitat fragments lags behind that in other ecosystems. The mighty rivers that drain the Himalaya - the Ganges, Brahmaputra, Indus, Mekong and Yangtze - are amongst the world's most biodiverse freshwater ecosystems. Many hundreds of dams have been co...
متن کاملBlind river dolphin: first side-swimming cetacean.
The blind river dolphin (Platanista gangetica), first written about by Pliny the Elder in A.D. 72, was found (10 November 1968) to be the first known side-swimming cetacean. The rudimentary eye lacks the lens, but anatomical evidence suggests that the eye may serve as a light sensor. The underwater sound emissions of this species, although similar to those of the Amazon River dolphin (Inia geof...
متن کاملEnvironmental Flows Assessment in India: The Ganga Experience
River Ganga is a lifeline to about 500 million people inhabiting its basin. The river Ganga provides water for drinking, domestic needs, agriculture, livelihoods, industrial use, fishing, boating, recreation, religious, cultural activities and for energy. Besides the humans, the river supports rich fauna and flora, including the endangered Ganges river dolphin (Platanista gangetica gangetica), ...
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ژورنال
عنوان ژورنال: Revue suisse de zoologie.
سال: 1970
ISSN: 0035-418X
DOI: 10.5962/bhl.part.75897