over 30 yangtze porpoises found dead in china
Last Updated : GMT 05:17:37
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Last Updated : GMT 05:17:37
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Species population close to extinction

Over 30 Yangtze porpoises found dead in China

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Over 30 Yangtze porpoises found dead in China
Beijing - Arabstoday

Over 30 Yangtze porpoises found dead in China Six years after the Yangtze river dolphin (Lipotes vexillifer), or baiji, was declared \"functionally extinct\" by scientists, another marine mammal appears on the edge of extinction in China\'s hugely degraded Yangtze River. In less than two months, 32 Yangtze finless porpoises (Neophocaena asiaeorientalis asiaeorientalis), a subspecies of the finless porpoise, have been dead found in Dongting and Poyang Lakes in the Yangtze, reports the World Wide Fund for Nature (WWF).
The porpoises are suffering from many of the same impacts that pushed the baiji to extinction: illegal electrofishing, strikes by boat propellors, poisons, and possibly pollution and food shortages from lower water levels linked by officials to climate change. Autopsies show that at least two of the animals were killed by electrofishing and boat propellers.
\"This tragedy shows that Yangtze finless porpoise is facing enormous challenges,\" Lei Gang, head of WWF China\'s Central Yangtze program, said in a press release. \"The porpoise deaths illustrates that without effective measures to fundamentally reverse the trend of ecological deterioration, future of the incredible creature is far from certain. We have to act immediately.\"
Researchers believe that around 1,000 Yangtze finless porpoises survive in the river with the population in dramatic decline. Currently, the IUCN Red List is evaluating the subspecies to see if the situation warrants classifying the population as Critically Endangered.
Breakneck development, including a series of dams, with little environmental regard has left the ecology of the Yangtze River in shambles. Aside from the baiji\'s extinction, many of the river\'s key species are vanishing. The Chinese paddlefish (Psephurus gladius), arguably the world\'s biggest freshwater fish, is listed as Critically Endangered with only two fish confirmed since 2002. Scientists fear the fish may be soon gone for good, if not already, after a 2009 survey couldn\'t find a single fish. In addition the Chinese alligator (Alligator sinensis), the Yangtze sturgeon (Acipenser dabryanus), and the Yangtze soft-shell turtle (Rafetus swinhoei) are all listed as Critically Endangered.
Still, a controversial new hydroelectric project, the Xiaonanhai Dam, is moving ahead despite concerns that it will finish off a number of the river\'s endangered fish, many found no-where else in the world. .
The looming mass extinction of the Yangtze River\'s key species and widespread environmental degradation has left fishermen bereft of livelihoods on the once plentiful river. A report in 2007 by China\'s State Environmental Protection Administration (SEPA) found that 30 percent of the Yangtze river\'s tributaries are \"seriously polluted\" and 600 kilometers of the river is in \"critical condition\". Such degradation has lessened the river\'s annual fish harvest 77 percent from the 1950s to the 1990s. Pessimistically, the SEPA report called the damage to the Yangtze River \"largely irreversible.\"
Despite such challenges, WWF and local Chinese authorities hope it\'s not too late to save the Yangtze finless porpoise. The local government is working on a plan to better regulate fishing and traffic in the porpoise\'s habitat, meanwhile conservationists are also mulling a plan to move some of the porpoises to a more secure ecosystem.

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