洞庭湖湿地生态环境调查及其改良

Survey of Ecological Environment and Its Control Countermeasures in Dongting Lake

本文主要通过2004—2005年对洞庭湖湿地实地考察和调查资料,分析了洞庭湖湿地生态环境状况,目前主要生态环境问题包括:水体环境污染严重,富营养化明显;洪涝灾害频繁;血吸虫病盛行;湿地功能退化等方面。最后,针对洞庭湖湿地的一系列生态环境问题,提出合理开发利用,综合保护湿地资源对策与措施。

In this paper, main ecological environment in Dongting Lake Wetland was analyzed according to collected materials and observations from 2004 to 2005. It has been found that water pollttion is becoming more serious and eutrophication has been going to considerable; flood and waterlogged disaster exhibiting frequent and serious. Infectious range of schistosoma japonicum disease has been expanding; wetland resources have been degraded and the ecological balance has been destroyed. Finally, some control countermeasures are proposed.