洪湖水生态健康评估

Water Ecological Health Assessment of Honghu Lake

目前,湖泊生态安全状态已经成为人们关注的热点问题,洪湖作为湖北省得分第一大湖泊,有着重要的战略意义,为了解洪湖水生态安全状况,本文参照国内外湖泊评估模式,针对洪湖生态环境特点,采用生态系统健康结构功能指标体系评价方法对洪湖2012~2016年的水生态健康状况进行评估。结果显示洪湖水生态健康状态处于比较好的健康水平,但健康状态呈现明显下降趋势,主要是由于透明度、总磷、氨氮浓度升高显著。

At present,the ecological security status of lakes has become a hot issue of concern.As the largest lake in Hubei Province,Honghu has important strategic significance.In order to understand the ecological security status of Honghu Lake,this paper refers to the evaluation model of lakes at home and abroad. Environmental characteristics,using the ecosystem health structure function index system evaluation method to assess the water ecological health status of Honghu from 2012 to 2016.The results showed that the ecological health status of Honghu Lake was at a relatively good health level,but the healthy state showed a significant downward trend,mainly due to the significant increase in transparency,total phosphorus and ammonia nitrogen concentration.