Effects of afforested poplar plantations on the stock and distribution of C, N, P at Keerqin Sandy Lands Changes in land use and land cover and soil organic carbon storage in the densely populated village landscapes of China′s Yangtze Plain from the 1940 to 2002 Methods of Land-cover Dynamic Monitoring Base on CBERS Data Response analysis of particulate air pollution to Land-use and land-cover change Effects of spatial grain size on landscape pattern of land-cover types in the rapidly urbanized region