东灵山风景区草甸资源退化评价及管理措施

黄永梅, 江源, 李炜民, 李晓兵, 李延明

Assessing Meadow Vegetation Degradation in the Tourist Attraction Dongling Mountain of Beijing

HUANG Yong-mei, JIANG Yuan, LI Wei-min, LI Xiao-bing, LI Yan-ming

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