Environment-friendly Evaluation of Land Use at County Scale -A Case Study of Changge City,Henan Province

This research established the concept and meaning of environment-friendly land use,and sets up an index system framework for environment-friendly land use at county scale from eco-environment,economy and society.The comprehensive index of quantitative assessment and single indicators of qualitative evaluation methods is put forward,and built up a grading system and quantitative classifying criteria for the degree of environment-friendly of county scale land use,so as to promote the combination of qualitative and quantitative evaluation of environment-friendly of county scale land use.Based on the index system for environment-friendly land use at county scale and the land use conditions in Changge city,comprehensive index assessment is combined with single indicators from multi-angle methods to evaluate the sustainable land use status of Changge city.This research showed that the three aspects that are eco-environmental friendliness,economic viability and social feasibility are relatively good.The environment-friendly land use degree of Changge City can be regarded as the unfriendly stage in 2000,the critical friendly stage from 2001 to 2002,the basic stage of the friendly from 2003 to 2009,and the environment-friendly using level of soil resource of Changge is improved year by year.