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close this bookLand Resources of the People's Republic of China (UNU, 1983, 84 pages)
close this folderII. The wetlands of Heilongjiang province, north-east China
View the document7. Regional development, environmental change, and improved resource management in the Sanjiang Plain
View the document8. Swamp transformation in the Sanjiang plain by the well-drainage and well-irrigation method
View the document9. The origin and transformation of wetland on the south-eastern slopes of the greater Khingan range (Da Xingan Ling)