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							PDF(424 KB) 
						
						
					 
			Changes and spatial patterns of eco-environment in the farming-pastoral region of northern China
JIANG Weiguo, LI Jing, LI Jiahong, CHEN Yunhao, WU Yongfeng
Journal of Geographical Sciences ›› 2005, Vol. 15 ›› Issue (3) : 329-336.
 PDF(424 KB)
						
							PDF(424 KB) 
						
						
					 PDF(424 KB)
						
							PDF(424 KB) 
						
						
					Changes and spatial patterns of eco-environment in the farming-pastoral region of northern China
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