榆林沙区不同灌木林地生态效益比较
Shaanxi Forest Science and Technology（2019）
Abstract
榆林沙区占毛乌素沙地总面积的55.4％,经过60多年的综合治理,林草覆盖率达到42.9％,长城以北沙区出现沙漠化逆转.通过对榆林沙区不同植物种灌木林地生态效益相关指标进行观测、分析、研究和评价,得出榆林沙区灌木防风固沙林生态效益显著,防护效果良好.
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