Discussion on technical methods of forest land alteration investigation in Inner Mongolia

To improve the quality of land change survey results in Inner Mongolia Autonomous Region , To update the forest area in a timely manner a picture ,combined with the first pilot flag , for counties Woodland Change Investigation , Using Remote sensing interpretation technique , National Forest Land Annual update information, etc. , to ground class , Woodland range , Admin Properties etc Change Chart patch changes , To form the current forest land database and the forest land change database in Inner Mongolia Autonomous Region . The article analyzes key technical side of woodland change survey Method , indicates an existing problem , and make the appropriate recommendations .