不同人工林在草原露天矿区排土场边坡的水土保持效益及其环境影响
Shuitu Baochi Xuebao, 2000 分析研究了３种不同人工灌木林地在草原露天矿区排土场边坡的水土保持效益和对周围环境的影响，结果表明：山杏和丁香两种人工林生长缓慢，很难在短时间形成郁闭灌丛，而沙棘可以迅速形成郁闭度很高的人工林，护坡和土壤培肥作用显著。露天矿区排土场的形成将会根本改变其周围地区的土壤环境和植被类型。如无有效措施，坡下汇水区土壤将发生盐碱化，植被向耐盐的水生和湿地植物群落演替 ...
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Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZi L +7 more
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Shuitu Baochi Xuebao[目的] 泻溜作为砒砂岩区典型的重力侵蚀方式,已成为沟道内重要的粗砂物质来源,严重威胁流域生态安全,明确该地区侵蚀机理对黄河流域生态保护和高质量发展战略具有重要意义。[方法] 以内蒙古砒砂岩沟坡系统为研究对象,基于野外定位监测,利用三维激光扫描技术,分析不同坡向下沟坡侵蚀界面微地形变化与侵蚀特征的时空变化规律及其与气象要素之间的响应关系。[结果] (1)砒砂岩沟坡存在明显的泻溜侵蚀现象,且坡向分异较为明显。其中,阴坡平均侵蚀面积占研究区总面积的43.11%,阳坡平均侵蚀面积占研究区总面积的45.48 ...
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Sheng Wu Yi Xue Gong Cheng Xue Za ZhiMa C, Li M, Yao J.
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