关键词: 干旱荒漠区, 药用植物, 濒危种, 保育机理, 可持续利用

Abstract: Arid desert region, located at the northwest mainland of China, is an important contain base  for various idiomatical herb plants, due to the particularity of its natural conditions and geographic location. Recently, most local characteristic medicinal plants have become endangered species gradually, because of the co-effects of natural factor and human activity. Combining with previous relative research, this paper illustrated the mechanism of vegetation recovery and conservation, described species and distribution of medicinal plants in arid desert region, and raised a set  of measures for recovering  endangered medicinal plants in this region, aiming at providing basic theoretical support for conservation and sustainable utilization of local medicinal plants.

Key words: arid desert region, medicinal plant, endangered species, conservation mechanism, sustainable utilization