Resreach On Wetland Ecosystem Services Value Evaluation In Hainan Dongzhaiguang

In the course of human use of natural resources and transformation, often only focus on the value of direct consumption of natural resources, while ignoring the ecological benefits and value of ecosystem. This article Dongzhaigang wetland protected areas for the study of wetland ecosystem service value of protected areas Dongzhaigang evaluate research. Basis of a comprehensive analysis of related fields at home and abroad through research progress and evaluation methods, the latest research on domestic and international. And based on the2012special investigation report Dongzhaigang economic zone and the marine ecosystem monitoring Hainan Statistical Yearbook, etc. The use of evaluation services ecosystem services value theory and ecological economics, are its direct use value of ecosystem services, indirect use value non-use value of the three value systems were evaluated. And analyzes the results to arrive at the total value of ecosystem services Dongzhaigang protected area of wetlands. Its contents and results are as follows:(1)Dongzhaigang Wetland Ecosystem Services Assessment methodology. Through literature collection and collation of data to determine the Donggang Village Wetland functional assessment index system of ecosystem services, including the provision of products, water, tourism and leisure, flood storage, pollution, purification, biodiversity conservation atmospheric regulation, research and teaching, heritage values, select value and existence value and so on.(2)Services Valuation of wetland ecosystems in Dongzhaigang protected areas. By using shadow engineering, alternative cost method of ecosystem services Dongzhaigang wetland protected areas to evaluate ecosystem services in the area come to a total value of582million yuan/a. Among them, the direct use value of186million yuan/a, including the provision of products55236586.92yuan/a, water features90115200.00yuan/a, tourism and leisure functions40718720.00yuan/a; indirect use value of225million yuan/a, including flood storage93926071.68yuan/a, pollution purification41926670.83yuan/a, biodiversity conservation6290708.48yuan/a, atmospheric regulation70680000.00yuan/a, research and teaching11877850.88yuan/a; non-use value of171million yuan/a, including the heritage value of68.77million yuan/a select the value of24.09million yuan/a, the presence of the value of78.10million yuan/a. Magnitude from three categories of services belongs, the largest indirect use value, accounting for38.63%of the total value of wetland services, followed by direct use value, the total value of ecosystem services31.99%, while the smallest proportion of non-use value to29.39%.By Dongzhaigang Wetland value of ecosystem services evaluation and research division of the wetland ecosystem function area, as well as analysis of the current problems, and a comprehensive understanding of Dongzhaigang protected area of wetland ecosystems provide humanity with great service value, for the regulation of social and economic development in the study area, the sustainable use of wetland resources, which can determine the future direction and goals wetland.