| The type of Nansha wetland is divided into offshore wetland, river wetland, library pond wetland and other types. According to the survey, statistical yearbook and historical literature, value assessment including material production,pollution purification, water conservation, wave elimination, habitat, climatic regulation, entertainment, education research and so on were assessed by market valuation method, shadow project method, cost replacement method, income replacement method, cost method and results of reference method. The results show that, the value of Nansha wetland ecosystem services is 61.5 billion/year, among which the environment regulation value is the largest, about 24.76 billion/year, account for 40.27% of the total service value；Followed by material production function value with 21.42 billion/ year,accounting for 34.84% of the total value; The value of humanities and social service is 15.31 billion/year, accounting for 24.90% of the total value. From the proportion of ecosystem services value, we can see that the value of ecosystem services is directly related to the structure of ecosystem itself. |
