30 meter resolution agricultural land reclamation occupied swamp wetland spatial dataset in Northeast China (2015-2020)

a. Data content (data file/table name, including observation indicators) The 30m resolution spatial dataset of agricultural land reclamation and occupation of marsh wetlands in Northeast China from 2015 to 2020 reflects the spatial distribution of marsh wetlands occupied by agricultural land reclamation in Northeast China from 2015 to 2020. b. Construction purpose Monitor the occupation of wetlands in the Northeast region during agricultural cultivation, and provide scientific support for the ecological restoration and environmental protection of wetlands in the Northeast region. c. Service target It can serve a wide range of scientific researchers in disciplines such as geography, agriculture, wetland ecology, and environmental protection. d. Time range of data From 2015 to 2020 e. The spatial scope of data Northeast region f. Projection method of data Projected Coordinate System：Krasovsky_1940_Albers Geographic Coordinate System：GCS_Krasovsky_1940 g. The disciplinary scope of data Earth Sciences>Geography>Physical Geography h. Quantity of data The total data volume is about 12.7 MB