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De-farming and Ecological Restoration in the Loess Hilly-gully Region in Northern China 总被引:2,自引:1,他引:1
XU Yong TANG Qing MA Dingguo and GUO Tengyun Institute of Geographic Sciences Natural Resources Research CAS Beijing China 《山地科学学报》2006,3(2):168-177
Introduction In a long history of land use and exploration, in order to meet the demand of quickly increasing population for food supplies, China has accumu- lated many successful and unsuccessful experience- es in promoting economic development by using … 相似文献
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