Evaluating the non-use value of sanjiang wetland based on contigent valuation method Assessing the value of seabuckthorn landscape service in Ordos based on contingent valuation method Using CVM to estimate the restoring cost of Maqu grassland nfluencing factors analysis of willingness to pay for ecosystem services evaluation of Hongze Lake The effect of distance on the ecological conservation value:a case study of Sanjiang Plain Wetland Testing reliability of the contigent valuation method:a case study on the tourism attraction non-use value Research progress of contingent valuation method for application to agricultural ecological compensation Spatial differentiation research of non-use value WTP based on the residents’ecological cognition:taking the sanjiang plain as a case Using the contingent valuation method to assess the value of ecosystem diversity maintenance of Shandong‘s marine protected areas Improving validity and reliability of contingent valuation method through reducing biases and errors: theory, method and application CVM for Taihu Lake based on ecological functions of wetlands restoration, and ability to pay and willingness to pay studies An emergy analysis on the ecotourism system of Wuyishan Natural Reserve Measuring recreational value and existence value of agricultural land in Shiliuhong leisure farm in Wuhan Contingent valuation of the existent economic of Giant Panda (Ailuropoda melanoleuca) The assessment of non-market value of agricultural land resource in Wuhan Evaluation on non-use values of typical lake wetlands in Wuhan Contingent Valuation of the Economic Benefits of Restoring Ecosystem Services of Zhangye Prefecture of Heihe River Basin Comparison and application of different contingent valuation methods in measuring total economic value of restoring Ejina Banner‘s ecosystem services Environmental cost of pond aquiculture in Shanghai: an empirical analysis based on double-bounded dichotomous CVM method Evaluation of non-use value of ecotourism resources: a case study in Dalai Lake protected area of China