黄土丘陵沟壑区村域生态系统服务簇的时空分异及其地形梯度分析 |
刘迪, 陈海, 荔童, 张行, 耿雨 |
Spatiotemporal differentiation of village ecosystem service bundles in the loess hilly and gully region and terrain gradient analysis |
LIU Di, CHEN Hai, LI Tong, ZHANG Hang, GENG Yu |
图3 生态系统服务簇数目的确定 |
Fig.3 Determination of the number of ecosystem service bundles |
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