Journal
SCIENCE CHINA-EARTH SCIENCES
Volume 55, Issue 6, Pages 882-891Publisher
SCIENCE PRESS
DOI: 10.1007/s11430-012-4384-5
Keywords
water quality criteria; species sensitivity; environmental management; biota
Categories
Funding
- National Basic Research Program of China [2008CB418200]
- Environmental Public Welfare Program [2010009032]
- National Natural Science Foundation of China [U0833603, 40973090]
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Water quality criteria (WQC) are threshold limits for pollutants or other hazard factors in the ambient water environment, which are based on scientific experiments and extrapolations. Until now, there is limited information available regarding the study of water quality criteria in China. It is imperative to launch national-level systematic WQC studies that focus on the regional characteristics of China and provide scientific support for the enactment or revision of water quality standards and environmental management. This article reviews the concept of WQC and discusses the methodology and global progress of WQC research. The article also summarizes the key scientific issues in WQC research, including species sensitivity distribution, toxicological endpoint selection, and models selection. Furthermore, we can adopt the derivation method used in the USA and divide WQC into acute and chronic criteria. Finally, considering the current status of WQC research in China, we point out important directions for future national studies, including the selection of native species and the comprehensive use of models.
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