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发布时间: 2025-05-26 09:53:51北京青年报社官方账号
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CHANGSHA/HARBIN, Feb. 12 (Xinhua) -- As Chinese people are embracing the arrival of the Year of Tiger on Saturday, zoologists are worried about the survival of South China Tigers as the endangered species are facing a serious problem of inbreeding.No traces of the tigers have been found in the last decade, they said.The number of captive South China tigers (Panthera tigris amoyenesis) rose to 92 in 2009 from 60 in 2007 but all the tigers were the offsprings of six wild South China tigers which were caught more than 40 years ago, said Deng Xuejian, a professor with the Department of Biology of Hunan Normal University, based in Changsha, capital of central China's Hunan Province."The inbreeding may lead to genetic freaks, low survival rates and poor physical makeup," Deng said.All the genes have come from two male and four female tigers, which had lead to highly identical genes in the offspring, Deng said."The situation may reduce the genetic diversity and cause degradation or even the extinction of the species," he said.The tigers would lose genetic diversity if their genes were too similar, said Ma Zaiyu, president of veterinary hospital of Changsha Zoo."The number of the members of a species should be at least 1,000 to maintain the stability of the species," Ma said.Zoologists estimated the number of wild South China tigers could have been less than 30 in the 1990s. The remaining wild tigers are presumed to live in the remote areas of Guangdong, Hunan, Fujian and Jiangxi provinces, Deng Xuejian said.Based on analysis of relevant date combining field investigation, Deng estimated the number of wild South China tigers could be less than 10.No traces of wild South China tigers were reported in Hunan in the last two years, said Zhou Shuhuai, director of wildlife protection section of the Hunan provincial forestry bureau."The number is limited and the tigers scatter in different areas, which make it difficult for natural breeding between wild tigers," said Huang Gongqing, a tiger expert at South China Tiger Breeding Base in Suzhou, a city of east China's Jiangsu Province."The extinction of the wild tigers will happen sooner or later," Huang warned.Some experts have said that there may be already no wild South China tigers. "However, we cannot know as the animal is very difficult to trace," Deng said.Ma Zaiyu said to avoid extinction of the species, more captive tigers should be bred, and some genes might be recovered when the population reaches 1,000, while Deng suggested continuous search for wild tigers to enrich the captive tigers' genes.The situation is much better for the Siberian tigers (panthera tigris altaica) in northeast China as the number of the wild ones is quite stable, experts said.The number maintains at around 20 in China, among which 10 to 14 are in Heilongjiang Province and eight to ten are in Jilin Province, said Sun Haiyi, deputy director of Heilongjiang Wildlife Institute"But no more young tigers under one year old have been discovered in the past two years. The reason might be the number of female tigers are less than the males and the animals are relatively isolated by the mountains," Sun said.China established a breeding base for the Siberian tigers in Heilongjiang in 1986 and the number of captive tigers has increased from eight to current more than 800, Sun said.Experts called for more efforts to protect the habitats of the tigers for the purpose of protection and re-wilding of the tigers.

  吉林哪里做包皮包茎手术最好   

LOS ANGELES, March 9 (Xinhua) -- A China automaker has made headlines in California as it is considering locating its U.S. office and assembly line in the state, local media reported on Tuesday.The office and assembly line are expected to create high-paying jobs in a state hard-hit by the recent recession.The Chinese automaker BYD, or Build Your Dreams, may really build a dream in California after it has teamed up with German automaking giant Daimler-Benz to manufacture an A-class electric vehicle.China's BYD F6DM, powered by electric motors and gasoline engine, is displayed at the North American International Auto Show (NAIAS), in Detroit, the United States, JaN. 11, 2009.As one of the world's largest rechargeable battery and consumer electronics makers, BYD entered the U.S. market this year with its electric car model BYD e6 through the North American International Auto Show in Detroit.The first batch of such cars is to hit markets in Europe, the United States and China as early as next year.Morale-boosted by the BYD intention, local authorities from both the Los Angeles County and Los Angeles City reportedly met BYD executives to woo the firm to locate its office and assembly line on their premises.Several other places including Long Beach and Lancaster have also joined the race to attract the attention of China's fourth biggest carmaker."It would be a tremendous boost to our economy and economic growth and prosperity," said Tony Bell, spokesman for Los Angeles County Supervisor Michael Antonovich.As the largest auto market in the United States, California has recently seen a mushrooming of so-called "green tech" firms involved in the research and production of electric and other alternative energy vehicles.BYD is expected to produce better versions of electric cars by adding its long-life rechargeable battery to Benz chassis and transmission.The e6's, an all-electric crossover car, already are claimed to reach a range of 400 kilometers per charge.Though local pundits claim that California is the right place for BYD to locate its U.S. office and assembly line, BYD executives remained silent on the issue.Local authorities have made wooing BYD to open business in California their top priority, hoping the addition of the Chinese electric car maker would help create in California a new and greener Detroit.

  吉林哪里做包皮包茎手术最好   

BEIJING, Jan. 24 (Xinhua) -- China's central bank asked the nation's lenders to increase loans for rural development as farmers and rural business still had limited access to financing.Banks should issue more microloans to farmers to foster rural industries and urbanization, Liu Shiyu, deputy governor of the People's Bank of China, said at a meeting on rural financing service on Sunday."More efforts should be made to encourage financial institutions to offer rural financing services and participate in rural financial market," he said.Rural credit cooperatives should speed up corporate restructuring and play a leading role in rural financial market, Liu said.He also urged efforts to establish more village banks, microcredit companies and new types of financial institutions.Poor access to fund, as one of the reasons, has long kept China's rural development left behind the urban modernization.The situation has not been significantly improved despite repeated calls by government, as banks are relunctant to lend for lack of collaterals.By the end of September 2009, rural loans increased 29.1 percent year on year to 8.8 trillion yuan (1.29 trillion U.S. dollars), 8.3 percentage points higher than a year earlier

  

BEIJING, March 8 (Xinhua) -- China will provide speedy visa processing for visitors to the upcoming World Expo, as well as more hotel space with help from surrounding cities, according to an organizer of the event.With support from the Foreign Ministry, it is already "an established policy" to provide quick visa processing for Expo visitors from around the world, said Zhou Hanmin, deputy director of the Shanghai 2010 World Expo Executive Committee, speaking here on Monday.He made the remarks at a press conference on the sidelines of the annual session of the National Committee of the Chinese People's Political Consultative Conference, the country's top advisory body. Zhou Hanmin, member of the 11th National Committee of the Chinese People's Political Consultative Conference (CPPCC), speaks during a news conference held by the Third Session of the 11th National Committee of the CPPCC on the 2010 Shanghai World Expo in Beijing, capital of China, March 8, 2010To receive the coming waves of visitors, a total of 550,000 beds will be available inside Shanghai during the Expo, and visitors can stay in nearby cities if Shanghai cannot hold all of them, said Zhou.To further assist, efforts have been made to provide easy transportation between Shanghai and its surrounding cities, he said.World Expo 2010, which is scheduled to be held in Shanghai from May 1 to October 31, is expected to attract 70 million visitors, of which more than 5 percent will come from abroad, according to Zhou.

  

GENEVA, March 16 (Xinhua) -- A senior Chinese diplomat on Tuesday called for international cooperation in dealing with global challenges such as economic crisis, climate change and the shortage of energy and resources."The impact of the global economic crisis is still with us, while global challenges such as climate change, energy and resources, public health security have become increasingly prominent," said He Yafei, China's new ambassador to the United Nations Office in Geneva."Collective efforts are essential, under the present new circumstances, if the above global problems are to be put behind us. No country can do it alone," He told a reception marking his assumption of office.According to the ambassador, China has always stood for intensified international cooperation to meet global challenges."Over the past year, China has actively participated in international cooperation to address international financial crisis and climate change, and played a unique and constructive role in a series of major international conferences," he told diplomats and journalists at the reception.He added that China had all along championed multilateralism, and the country had been resolute in supporting the positive role of the United Nations in maintaining world peace and security, promoting common development and safeguarding human rights.

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