Zoigê wetland

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Peat bog landscape along the Yellow River

The Zoigê Wetland ( Chinese  若尔盖 湿 地 , Pinyin Ruòěrgài Shīdì ), also called the Songpan Grasslands , is one of the three great wetlands in China . It is located predominantly in the north of the Sichuan province in the central west of the country and occupies about 2,600 km² from the eastern part of the Tibet highlands at an altitude of 3,300 to 3,600 meters above sea ​​level . To the west it extends over the border from Sichuan into the provinces of Gansu and Qinghai .

geography

The wetland, which has been formed by heavy rain and snow , is located in a region that is only partially drained due to long periods of frost (fewer than 20 frost-free days a year) . It is bounded in the east by the Min Shan Mountains , in the south by the Qionglai Shan , in the west by the Golog Shan and in the north by A'nyê Maqên , Xiqing Shan and the western part of the Qin Ling . The Huang He flows through the western part of the region from south to north , for which the wetland is the main source of water. Under the uneven surface of the wetland there is a layer of peat about two to three meters thick , which in some places even reaches a height of six to seven meters.

history

The region was crossed by the Chinese Communists during the Long March in 1934/35 and then declared a wilderness area. In the 1970s, trenches were dug, parts of the wetland artificially drained and cattle, sheep and horses were allowed to graze on the reclaimed grassland. In 1994 a landscape protection area was established in the area , which is now home to the axial deer and the black-necked crane .

literature

  • Yan Zhaoli, Wu Ning: Rangeland privatization and its impacts on the Zoige wetlands on the Eastern Tibetan Plateau . In: Journal of Mountain Science . tape 2 , no. 2 , 2005, p. 105-115 , doi : 10.1007 / BF02918326 .

Individual evidence

  1. ↑ a b c Zoige Marsh. In: Encyclopædia Britannica . Retrieved August 1, 2017 .
  2. ↑ Shuang Xiang, Ruqing Guo, Ning Wu, Shucun Sun: Current status and future prospects of Zoige Marsh in Eastern Qinghai-Tibet Plateau . In: Ecological Engineering . tape 35 , no. 4 , April 2009, p. 553-562 , doi : 10.1016 / j.ecoleng.2008.02.016 .

Coordinates: 33 ° 42 ′ 0 ″  N , 102 ° 38 ′ 0 ″  E