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[期刊论文] 作者:ZHANG Xue-song,HAO Fang-hua,CH,
来源:中国地理科学 年份:2003
In the Huanghe (Yellow) River basin, soil erosion is a serious problem, while runoff and sediment yield simulation has not been extensively studied on the basis...
[期刊论文] 作者:HAO Fang-hua,CHANG Ying,NING D,
来源:环境科学学报 年份:2004
Land degradation is a consequence stemming from both natural processes and social economic activities.On the bases of analyzing general situation of agricultura...
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