man made accelerated erosion 人为加速侵蚀
The results show that man made accelerated erosion decreases the Numbers of bacteria, fungi and actinomyces, among which fungi was affected drastically.
结果表明：人为加速侵蚀主要引起表土层细菌、放线菌、真菌数量减少，其中以真菌下降率最高。
Man made accelerated erosion is a key reason for soil nutrient loss after forestlands were disturbed by human being.
林地被人为开垦破坏后，加速侵蚀是导致坡面土壤养分流失的根本原因。
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