延安示范区土地利用与退耕还林的时空变化研究
陈国建,,张晓萍,李 锐,杨勤科
Spatio-temporal Change of Land Use and Converting Slope Farmland into Forest and
Grassland in Yanan Ecological Construction Demonstration Area
Chen Guojian, Zhang Xiaoping, Li Rui, Yang Qinke
中国农学通报
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2005, (5): 418
-418
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DOI: 10.11924/j.issn.1000-6850.0505418
