| This paper is based on the relevant research about the economic value of ecosystem services home and abroad, taking the citrus forest ecology system and changde shimen as the object, using the theories and methods of ecological economics and welfare economics. Analyze the functions of absorbing carbon and releasing oxygen, protecting the soil, keeping water, cleaning the air and others. At the same time, calculate the economic value and social effect. The result shows that shimen citrus forest total value is1.1billion and the other functions is notable. In all the effects, absorbing carbon and releasing oxygen has the most important,then, cleaning the air. In order to let the system make more contribution, we are trying to make some suggestions, to make the citrus forest obey to the economic development and sustainable development in shimen,such as improve residents’awareness of ecological system protection or put the forest back. |
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