Polygon layer (Areas with high likelihood of wetland formation) 1:2500000 scale. To show quarternary sediments in Amur River basin.
Eutrophication. Shallow wetlands of Song-Nen Plain are especially vulnerable to agricultural pollution
Longfeng Wetland nature reserve near Daqing City
Mountain wetlands of Small Hinggan. Hooded crane habitat
Object IDs: 204,1154,177,1155,1156,304,176,1153,200