科尔沁沙质放牧草地植被分异规律的聚类分析

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赵哈林, 张铜会, 常学礼, 周瑞莲

Cluster Analysis on Change Laws of the Vegetation under Different Grazing Densities in Horqin Sandy Pasture

ZHAO Ha-lin, ZHANG Tong-hui, CHANG Xue-li, ZHOU Rui-lian

中国沙漠 . 1999, (s1): 40 -44 .