Change and Spatial Pattern of Eco-environment in the Farming-pastoral Ecotone of the Northern China
JIANG Wei-guo, CHEN Yun-hao, LI Jing, LI Jia-hong, WU Yong-feng
JOURNAL OF NATURAL RESOURCES ›› 2005, Vol. 20 ›› Issue (6) : 871-878.
Change and Spatial Pattern of Eco-environment in the Farming-pastoral Ecotone of the Northern China
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