desert steppe
4.THE CHARACTERISTICS OF NITROGEN AND ASH CONTENT OF 37 SPECIES OF PLANT ON DESERT STEPPE, INNER MONGOLIA
5.A STUDY OF THE COMPREHENSIVE UTILIZATION MODEL OF WATER RESOURCES OF THE IRRIGATED FORAGE GRASS BASE ON THE ARID DESERT-STEPPE OF WESTERN INNER MONGOLIA
6.In the mountains of the Qaidam region there is great difference in thevertical belt spectrum of the vegetation between east and west: the verti-cal spectrum in the desert steppe zone is: mountainous steppe-mountaino-us evergreen needleaf forest-subalpine shrubland-alpine meadow-alpine spa-rse vegetation;
7.By eight - year continued monitoring for ecological environment of desert steppe in Dao Mao United Banner,the author discovered that three ecological problems were striking in current,and they were the results that the human have not been making rational use of grassland for fourty years,they lead to ecological disturbance. This paper expounded these problems in detail.


