Yangtze River Dolphin Population Dropped Drastically

China's first large-scale scientific expedition Yangtze finless porpoise population activities in the successful conclusion of the 24th. Said in a news release, the sharp drop in the number of unique Yangtze finless porpoise populations in China and recommended their inclusion in the "critically endangered" animal, strengthen the protection of a scientific expedition in Wuhan.

According to reports in the mainstream of the Yangtze River from Yichang to Shanghai and from 3400 km section of the river, the 2012 Yangtze freshwater dolphin expedition team of visual discovery finless porpoise 380 times, acoustic expedition found 172 times, compared with 2006, the downward trend in the number of finless porpoise populations obvious.

The expedition team, deputy commander-in-chief, said: "The results of the examinations in line with previous projections, confirms our fears. Finless porpoise should as soon as possible will be improved by the Endangered class to Critically Endangered level researcher at the Institute of Hydrobiology Wang Kexiong.

According to reports, in Yichang to Shanghai, one-way voyage, the expedition team acoustic visits were found in 91 finless porpoise, the same expedition voyage in 2006 found 177 times. The 2006 expedition in the Ezhou Nanjing section of the river, and the average daily found that more than 60 times, now up to 45 times a day only to discover.

The study found the finless porpoise distribution area is roughly the same in 2006, but "presents the distribution of the relative concentration, the trend increasingly spots" Wang Kexiong said. The study found that the Yangtze River economic activity is more active than six years ago, the rapid development of shipping, the finless porpoise habitat degradation. Distribution of porpoises in the Yangtze River is less and less focus on the trend towards the jetty port area.

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