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黄土高原植被恢复年限对坡面缓流减沙效益的水动力机制

open access: yesShuitu Baochi Xuebao
目的降雨径流是黄土高原侵蚀产沙的主要动力,植被通过削减降水产流和增强土壤抗蚀性来提高暴雨侵蚀的抵抗能力,不同恢复年限植被的水土保持作用一直是科学研究和生产实践关注的热点问题。方法以黄土丘陵沟壑典型小流域为对象,选取4个植被恢复年限梯度(1、11、15、25 a),通过开展野外放水冲刷试验,系统分析植被恢复年限对坡面径流动力特征及减沙效应的调控规律。结果随恢复年限延长,坡面径流量和产沙量显著下降,径流-泥沙过程趋于平稳;其中恢复11 a植被群落的减流效益(36.7%)较好,恢复25 a植被群落的减沙效益 ...
赵佳驹   +4 more
doaj  

[Role of programmed cell death in platinum resistance in ovarian cancer]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Xu J, Zhou X, Luo C.
europepmc   +1 more source

[Research progress and applications of biologically derived materials in scleral reconstruction]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Guo M, Chen H, He S, Xie H, Li X.
europepmc   +1 more source

[Mechanistic research progress on radiotherapy resistance of cancer stem cells]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Luo Z, Yu M, Li J, Zhang S, Shen T.
europepmc   +1 more source

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