Relational Analysis of the Features of Resources and Functions of Lakes
湖泊资源特征及与其功能的关系分析

The lake resource that formed under the actions of endogenic and exogenic forces such as geology,landforms,meteorology,hydrology,chemistry and living things is one of the natural resources which plays an important role in the economic,environmental and social benefits of the sustainable development of national economy.The structure of the lake system is revealed by various kinds of resources endowed in it and the inter-relationships derive multiple functions of the lake as well.Therefore,the lake resource which is directly perceived is the carrier of its functions which are often ignored for their abstractness.This is also the reason why people got to know the lakes experiencing a gradual development process from resources-oriented to functions-oriented.Humans are the unusually lucky persons who have the habit of living by water,and begin to know lakes from the dependence for the natural resources and the mysterious feelings to the nature.Lakes are the important component of territorial resources,which have powerful ecological service functions and distinct unique features,and play the important role in the creation of human civilization just as the same as forest,lands,river and sea.In this article the features and problems existing in the use of the lake resources and the functions maintained through ecological structure composing of different types of the lake resources are discussed.