洞庭湖区防洪治涝堤防工程及其环境影响评价

The environmental impact assessment of the embankment projectsfor controlling flooding in Dongtinghu Lake District

洞庭湖区的堤防建设是洞庭湖区综合治理的主要内容.通过研究洞庭湖区堤防工程对区域生态环境及资源的可能影响以及环境影响的评估,为洞庭湖区环境管理者提供对堤防建设项目实施有效管理的科学依据.工程实施后,可提高大堤的防洪标准和抗洪能力;还可以防止垸内洪溃对水环境的重大污染;灭螺平台是一项水利结合灭螺的综合措施,从而间接地改善了水体质量.同时,堤身和堤基的渗控处理,减少了大量的渗漏,可以避免垸内土壤沼泽化和潜育化,有利于土壤改良.

The embankments construction is the important part of integration management in the Dongtinghu Lake District. This paper mainly introduces the embankment projects in recent years, and analyzes the possible impacts on regional ecological environment, and makes impact assessment during the implementing the projects.