Wetland introduction: The rivers in the reserve are all swampy rivers, originating from the large wetland in the east of Qinglongshan Farm. The tidal flats are 3-4 kilometers wide at most, and finally enter the Wusuli River. Honghe Nature Reserve is of great significance to the study of the wetland climate, vegetation succession rules, geological structure, etc. of the entire Sanjiang Plain. It is also of great research value to the study of migratory bird migration, population size, and distribution areas, especially the study of storks and cranes.