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Changtang National Nature Reserve (羌塘国家级自然保护区) lies in the northern Tibetan Plateau. It is the second largest nature reserve in the world, after the Northeast Greenland National Park, with an area of over ,〔("Habitat of Chiru" )〕〔("Changthang National Protected Area" )〕 making it bigger than 183 countries. Administratively, it lies in Xainza County and Biru County of the Nagqu Prefecture. With the more recently established adjoining reserves listed below there is now a total of 496,000 km. (191,507 sq. miles) of connected Nature Reserves, which represents an area almost as large as Spain and bigger than 197 other countries. == Geography == The Changtang (Tibetan for "Northern plain") is a massive high-altitude plateau stretching from Ladakh in India, across northern Tibet into Qinghai Province, and north into the Nanshan mountains of Xinjiang Province. The Changtang Nature Reserve includes most of the Chinese portion of the plateau. The average altitude is over 4,800 metres (16,000 feet) with "high rolling hills, and plains interspersed by mountains over 20,000 feet (metres ) high." It is extremely cold in winter with temperatures dropping to minus 40 degrees at night. Travel is easier in the winter because summer can be very wet and vehicles get bogged easily.〔("A Resurgence of Wildlife in Northern Tibet" ) by Alex Chadwick.〕 New reserves bordering the Changtang Nature Reserve have been added in recent years: * The "Mid-Kunlun Reserve" is directly to the north of the Changtang Nature Reserve. It 32,000 km.〔Daniel Miller (2003), p. 20.〕 and was established in 2001. It also borders the "Arjin Shan (or "Altun Tagh") Reserve" on its east. * The "Xianza Reserve" Nature Reserve in the Tibet Autonomous Region is 40,000 km,〔 and is directly to the south of the Changtang Nature Reserve. It was established in 1993 and contains the Siling Lake. * The "Arjin Shan (or "Altun Tagh") Reserve," 45,000 sq. km in the Xinjiang Autonomous Region, was established in 1983, is to the northeast of the Changtang Nature Reserve.〔http://ngm.nationalgeographic.com/ngm/0304/feature6/images/mp_download.6.pdf〕 * The "Kekexili (aka "Kokoxili" or "Hoh Xil") National Reserve" in Qinghai Province, is 45,000 km,〔 and was established in 1995, It borders the "Mid-Kunlun Reserve" to the south (and is to the east of the Changtang Nature Reserve). In addition, there are two more proposed reserves on the borders of the Changtang Nature Reserve: to the south of the Kekexili Reserve, and to the west of the Mid-Kunlun Reserve. If these proposed new reserves are established, the vast majority of the range of the Chiru, and almost all the spring migration routes of the female Chiru will be protected.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Changtang Nature Reserve」の詳細全文を読む スポンサード リンク
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