农田水利工程与生态系统的协调发展

生态系统是一项非常容易受到人为影响的开放型系统，人工支配和自然生态共同产生复合作用。生态系统的构成与作用在很大程度上都来自于人类的生存需要。农田水利工程的建设对生态系统产生着重大的影响，在建设过程中必须掌握增加有益因素、减少有害因素的原则。 

Coordinated Development of Water Conservancy and Irrigation and Ecosystem

Ecosystems are open-type systems，which are highly vulnerable to human impact.Artificial and natural ecosystems dominated together to produce a composite effect.Ecosystem composition and function largely come from the human survival needs.There are significant impacts that construction of water conservancy and irrigation on ecosystems.Some principles，like increasing favorable factors and reducing harmful factors，must be implemented.