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BEIJING, Sept. 6 -- The large and medium-sized wildlife populations of Tibet lead China as ecological environment here is well protected, according to a government white paper published Sunday.

Numbers of Tibetan antelopes have grown from 50,000 to 70,000 in 1995 to more than 200,000, and black-necked cranes from 1,000 to 3,000 in 1995 to 7,000. Numbers of such rare and endangered species as wild yaks and Tibetan wild donkeys are also steadily growing, the white paper titled "Successful Practice of Regional Ethnic Autonomy in Tibet" said.

Currently, Tibet has 47 nature reserves, which cover 412,200 sq km, or 34.35 percent of the total land area of the entire Region. It has also set up 22 ecological reserves (two at state level), four state level scenic spots, nine national forest parks, 10 national wetland parks, and four geological parks (three at state level), wherein 141 wild animal species and 38 species of wild plants are under state protection, 196 indigenous animal species, and 855 indigenous plants and important ecological systems are under effective protection.

In recent years, with the strategic objectives of building an ecological safety barrier as well as an ecologically healthy and beautiful Tibet, the regional government has drawn up systematic plans to build and protect Tibet's ecological environment.