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1967. This georeferenced raster layer represents the population of China in 1967. It is taken from the book, Communist China: Map Folio, which was publis... Directorate of Intelligence, Office of Basic and Geographic Intelligence.
2007 and 2008. National Center for Ecological Analysis and Synthesis. This raster layer represents changes in resource use due to population growth and industrial development that have caused degradation of the coasta... Science.