七里海湿地环境生态系统退化与修复

Degeneration Characteristics and Rehabilitation of Qilihai Wetland Environment Ecological System

七里海湿地位于天津市宁河县境内,是天津古海岸与湿地国家级自然保护区的重要组成部分。由于自然和人为共同的影响,七里海湿地环境生态系统发生退化,湿地面积不断萎缩,水资源趋于枯竭,生物多样性急剧下降,生态环境日益恶化。为修复退化的七里海湿地生态环境系统,必须采用自然修复和人工修复相结合的,融生物、生态及工程技术为一体的,主要解决湿地面积恢复、水资源配置、生物多样性恢复等问题的修复技术方案。

Qilihai wetland is the core of Tianjin Ancient Seacoast and Swamp Reserve in China. The degeneration characteristic of Qilihai wetland environment ecological system influenced by natural and human being are atrophy of wetland area,the water resource and biologic diversity decrease, and ecological environment gets worse. In order to rehabilitate the degenerated wetland, some techniques need to be used, which include natural and artificial techniques, biologic, ecologic and engineering techniques.