changes in land use and land cover
cultivated land use changes
Investigation of land use changes
land use and land cover changes
land use structure changes
simulation of land use changes
Survey of land use changes in cities and towns
The changes of land use
1∶1000 scale map of land use
cultivated land use change
Cultivated land sustainable use
Cultivated land quantity changes
Cultivated land intensive use
Cultivated land changes
cultivated land amount changes
cropland-to-forest land use conversion
Cropland-grassland mixed land use structure