河流生态系统健康及其评价

River ecosystem health and its assessment.

概括了河流生态系统健康概念的涵义 ,详细介绍了以着生藻类、无脊椎动物、鱼类为主要指示生物的河流生态系统健康的评价方法 ,并就其评价原理将这些方法分为预测模型法 (predictivemodels)和多指标法 (multimetrics两大类 ,提出了河流健康评价方法的发展方向 ,以及我国应尽快开展的研究工作 .

Ecosystem health is a hot topic in ecological research. In this paper,the concept of river ecosystem health was ge-neralized, and the main methods used to assess the health condition of river ecosystem was introduced, which are based on bioindictors such as epilithic algae (diatom specially),benthic invertebrate and fish,and were classified into two types in terms of their assessment principles. Based on research actuality,the development tendency in this area is put forward. The authors suggest that the relevant study should be carried out as soon as possible in China.