Research progress of contingent valuation method for application to agricultural ecological compensation Using CVM to estimate the restoring cost of Maqu grassland Applications of contingent valuation method in evaluation of non-market values Comparative studies on the farmers‘ willingness to accept eco-compensation in wetlands nature reserve Ecological compensation based on farmers’ willingness: A case study of Jingsan County in Hubei Province, China. Research on the eco-compensation standards and modes:taking Maoershan National Nature Reserve of Guangxi Province as an example The assessment of non-market value of agricultural land resource in Wuhan