Fig. 4From: The spatiotemporal changes of marshland and the driving forces in the Sanjiang Plain, Northeast China from 1980 to 2016Marshland transitions in the study area during 1980–2016. Notes: 71, marshland converted to paddy field; 72, marshland converted to dry farmland; 73, marshland converted to forestland; 74, marshland converted to grassland; 75, marshland converted to water area; 76, marshland converted to built-up land; and 77, steady marshlandBack to article page