从湿地功能面积减少、湿地系统物质能量流失衡、湿地组织结构破坏、湿地生态功能减弱等4个方面着重介绍了中国湿地的退化特征;从影响湿地退化的自然和人为因素共同作用角度系统分析了其退化的原因;并介绍了湿地退化评价的3大技术体系。最后提出中国湿地保护对策。
In this paper, the characteristics of wetland degradation in China were introduced from the aspects of functional area loss, material and energy imbalance, structure breakage, and ecological function impairment, and the causes of the degradation were summarized from natural and human' s aspects, respectively. Three evaluation systems for the wetland degradation were recommended, and related protection measures were put forward.