安西荒漠草原兽类资源分布的研究

The Geographical Distribution of Mammal Resources in Desert Steppe in Anxi,Gansu Province

安西地处甘肃河西走廊的西部。这里气候干旱少雨,年雨量31.5—100毫米,形成了荒漠植被,是中亚荒漠的一部分。荒漠草原环境中分布着较丰富的动物资源,甘肃省已建立安西戈壁荒漠草原自然保护区,面积约8000平方公里,保护区内已知兽类25种,其中资源兽类14种,分布在不同的自然地理区:(1)走廊绿洲荒漠(戈壁)区;(2)祁连山前山地区;(3)北山—低山、中山区。

Anxi, situated in the western Hexi Corrideo is a part of desert steppe of the Central Asia. The natural reserve of Gobi besert steppe in Anxi covers an area of 8. 000km2 ,it is rich in animal resources. It has been known that there are 14species of Mammals distributed in three different natural geographical regions; (1)Gobi desert and Oasis region:main species are Gazella subgutturosa,Canis lupus,Felis liby-ca and Lepus centrasiaticus; (2)Piedmont region of Qilian Mountain: main species are Panthera uncia, Felis lynx and Ovis ammon; (3)North mountain - Low mountain and middle mountain region:main species are Capra sibirica and Equus hemionus.