2006•Shengtaixue zazhiRequires access

Index of biological integrity and its application in health assessment of aquatic ecosystem

Beixin Wang, Yang Lian-fang

Abstract

Index of biological integrity(IBI) has been proved to be one of the useful measures in health assessment of aquatic ecosystem,and is widely applied today.In this paper,the concept of IBI,its philosophy and steps in health assessment of aquatic ecosystem,and the built-up of benthic-index of biological integrity (B-IBI) were generalized,and the performances of IBI applied for the health assessment and management of ecosystem in foreign countries were illustrated.The practice of IBI in health assessment of our aquatic ecosystem was also suggested.

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Key concepts: Index of biological integrity, Ecosystem health, Health assessment, Ecosystem, Biological integrity, Index (typography), Aquatic ecosystem, Environmental resource management