摘要
认为江汉平原湿地脆弱生态系统受到自然因素和人类不合理开发利用因素的影响 ,主要包括地貌脆弱因子、气候脆弱因子、水文脆弱因子以及过度围湖造田、过度利用湖泊资源、超标污染物排放 ;脆弱生态环境表现为灾害频繁及强度增加 ,土壤潜沼化严重 ,湿地生态系统退化 ;
This thesis holds that in Jianghan Plain, the wetland ecosystem shows the characteristics of vulnerability, owing to the impact of natural factors and human irrational activities, such as factors of landform, climate, and hydrology, and also excessive reclamation land from lakes, excessive utilization of lakes' resources, discharge of pollutants. These have resulted in a series of ecological vulnerable problems, which include the increase of flooding, inundation, and waterlogging; gleization and swamping of soil; degradation of wetland system. In order to rehabilitate degraded wetland ecosystem, this thesis gives out several measures to be taken.
出处
《华中师范大学学报（自然科学版）》
CAS
CSCD
北大核心
2001年第2期237-240,共4页
Journal of Central China Normal University：Natural Sciences
基金
国家自然科学基金资助项目 ( 49871 0 71 )
