Two plants Artermisia ordosica and Caragana korshinskii are chosen as the study objects,we set up a health damaged degree model based on water factor and a quantitative analysis is presented.

• 以沙坡头人工固沙植物油蒿和柠条为例,构建了基于水分因子的沙区人工植被系统健康损害度模型,并对其进行了定量分析。