However, the reducing benefits of runoff and erosion of forests has a highly correlation with the tree species' biological, ecological property and its stands structural status.

但森林削减坡面径流与侵蚀的效益与森林树种自身的生物、生态学特性及其林分结构状况等密切相关。

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Priority should be given to biological measures in preventing soil water erosion, and the most effective measure is to increase vegetation coverage.

防止土壤水蚀应以生物措施为主，增加植被覆盖度是最有效的措施。

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