银川市湿地生态系统演变过程

为了研究银川平原生态建设和湿地演变规律,利用文献资料,结合近几年对典型湿地变化过程的考察,分析了银川市湿地生态系统演变过程及其原因.结果表明,由于20世纪50—90年代的开发利用,银川市湖泊湿地面积严重萎缩;争地矛盾、自然干扰和人为干扰造成银川市湿地退化.21世纪以来,经过湿地恢复和保护工程,银川市湿地又大面积恢复.实现人与湿地和谐相处的可持续发展是银川市湿地发展的未来走向。

The evolvement process of wetland ecosystem in Yinchuan

In order to meet the need of ecological construction of Yinchuan plain and the need of evolutional rules of the wetland,evolvement process and cause of the Yinchuan wetland ecosystem were analyzed through literature data and investigation of process changing of wetland model in recent years.Result shows that,for development and use,the lake and wetland area have atrophied heavily from 1950s to 1990s in Yinchuan,it caused degradation of Yinchuan City wetlands by the conflicts of land using,natural disturbance and human disturbance.Since entering the 21st century,for the projects of wetland restoration and protection,wetland area restored largely in Yinchuan.The sustainable development road of harmonious relationships between the wetland and human beings is future tend of Yinchuan wetland.