随着植被的逆向演替,土壤养分减少,导致低丘红壤生态系统恶化。
With the degeneration of vegetation, decreasing of soil nutrients results in regressive successions in red earth ecosystem.
笔者根据东亚酸雨监测网土壤和植被监测技术规范方法,研究了酸沉降对森林生态系统土壤和植被的影响和危害。
The effect and harm of acid deposition on soil and vegetation of forest ecosystem were studied according to guidelines and technical manuals for acid deposition monitoring network in East Asia.
利用风洞模拟实验,系统研究了植被覆盖对土壤风蚀的影响。
Using wind tunnel tests, influences of vegetation coverage on soil wind erosion were systematically studied.
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