On the basis of discerning the natural ecosystem of Wuxi City

in this paper

the ecosystem is divided into four major types: forest

wetland

river and lake

and farmland.What's more

looking from the service functions of natural ecosystem

it also makes the idea of natural ecological assets enter the strategic decision of Wuxi City development

through assessing the economic value quantitatively for the four types of systems and showing different service functional abilities of ecosystem in the form of monetary value

so that it gives the Wuxi City an important guidance for its sustainable development