【摘要】 以生物量和降低风速百分率等为指标，对毛乌素沙地各立地条件类型上不同结构防风固沙林进行了分析，为各立地类型选择了若干种优化的防风固沙林结构模式．更多还原

【Abstract】 Sand-binding and wind control forests with different structures under various site conditions in Maowusu sand land are evaluated in the view of their biomass production, wind speed reducing percentage and other indexes. Several optimized structure models are recommended for various site types.更多还原