本文基于对毛乌素沙地的植被调查,分析了该区灌木区系的科、属组成,地理成分,生活型和生态习性,以及灌丛在这一特殊地理生态过渡带的重要地位。在此基础上提出了灌木资源多样性保护和恢复的对策。

On the basis of the vegetational investigation in Maowusu sandland, the family and genera composition,geographic components, life form and ecological characteristics of the flora of the shrub resource in the area are analysed. The important position and significance of the shrub in this special ecotone of the geographic landscape are analysed too. According to these, we put forward the countermeasures for the protection and restoration of the diversification of the shrub resource.