The index system framework of soil environmental function regionalization in China

摘要

soil environment functional area is for the protection of the soil ecological and human utility functions, divided the environmental similarity soil area unit. Soil environmental functions include production security functions, ecological protection function, bearer maintain function. Soil environmental function regionalization ideas are: proposed index system based on the concept of clear soil environmental function regionalization, then functional evaluation, and finally the formation of soil environmental regionalization map. Soil environmental function regionalization indicator framework should include three aspects: production security index system, ecological protection index system, the bearing to maintain index system.