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The Northeast shelterbelt project is a part of the Shelter Forest System Program in Three-North Regions of China. By far, the third phase project has been completed, and the fourth phase project is on the point of completion. This paper chose the Yushu, Nong'an, Dehui and Fuyu in midwestern Jilin province as the research areas, selected three phase shelterbelt data and land use data at Sep. 25, 1988,...
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