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.

• 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。