
Valuation of fragile agriculture ecosystem services in loess hilly-gully region:a case study of Ansai county
GAO Wang-sheng, DONG Xiao-bin
JOURNAL OF NATURAL RESOURCES ›› 2003, Vol. 18 ›› Issue (2) : 182-188.
Valuation of fragile agriculture ecosystem services in loess hilly-gully region:a case study of Ansai county
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