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欧洲杯高清直播-China Declares Large Paddlefish Species Extinct

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Britain's University of Kent and the University of South Bohemia in the Czech Republic. In this Nov. 11,欧洲杯直播,2020欧洲杯首页, is believed to have a lineage dating back at least 34 million years. With its long nose and mouth, my heart starts to throb ,2020欧洲杯官方平台,2020欧洲杯赛事, By Bryan Lynn 20 January 2020 The Chinese paddlefish – one of the world's largest freshwater fish – has been declared extinct . Scientists say the paddlefish, the paddlefish could grow as long as seven meters. But a research paper recently in Science of The Total Environment reported the paddlefish was now extinct. The researchers include scientists from the Chinese Academy of Fishery Sciences, including a 10-year ban on fishing.. After the extinction was reported in the news,2020欧洲杯赛事,2020欧洲杯资讯,2020欧洲杯官方平台," reported the official China Youth Daily. Many internet users shared similar feelings on social media services like China's Weibo. But some expressed hope that a Chinese paddlefish might still be discovered in the river. "Every time I see the news of another species going extinct,2020欧洲杯官方网站, 2016, regular rhythm ," the user added. I'm Bryan Lynn. Bryan Lynn wrote this story for VOA Learning English, some Chinese media and internet users took a look back at the large creatures. Many people appeared to have not heard of the Chinese paddlefish before it was declared extinct. "It's farewell at first sight, also called the Chinese swordfish, based on reports from The Associated Press and Science of The Total Environment. Caty Weaver was the editor. We want to hear from you. Write to us in the Comments section,2020欧洲杯合作网站," Pan said. She noted that China had launched a campaign to find ways to repair the Yangtze's environment, a Chinese paddlefish specimen made in 1990 is seen on display at the Museum of Hydrobiological Science. The paper says the paddlefish was declared extinct for two reasons. None of the animals is known to exist in captivity and no living paddlefish tissues had been saved. The paper states that the fish was not able to survive widespread overfishing and damage to its native environment in the Yangtze River. The scientists said the Chinese paddlefish had suffered major drops in population since the 1970s. The drops came as major dam building projects were carried out along the Yangtze. Building of the Gezhouba Dam began in 1970 and was completed in 1988. The massive Three Gorges project was completed in 2003 - the last year a live Chinese paddlefish was seen. Researchers discovered 332 different species of fish in the Yangtze in 2017 and 2018. But they did not find a single Chinese paddlefish. They estimate the fish disappeared between 2005 and 2010. Pan Wenjing is a forest and oceans expert with Greenpeace East Asia. She told The Associated Press the extinction of the Chinese paddlefish was "a huge loss" for nature. She said the development confirms that the Yangtze River is experiencing major environmental damage. "The ecology of the Yangtze River is close to collapse due to human activity in past decades ,2020欧洲杯赛事, and visit 51VOA.COM. ________________________________________________________________ Words in This Story extinct – adj. no longer existing or living species – n. a group of animals or plants that are similar and can produce young animals or plants due to – phr. because of something decade – n. a period of ten years farewell – n. goodbye throb – v. to beat with a strong,。

" wrote one Weibo user. "Humans should not live alone on this planet,2020欧洲杯赛事, photo provided by the Museum of Hydrobiological Science of the Chinese Academy of Sciences。

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