A fish-based biotic integrity index selection for rivers in Hechi Prefecture, Guangxi and their environmental quality assessment

LIU Kai; ZHOU Wei; LI Feng-Lian; LAN Jia-Hu

doi:10.3724/SP.J.1141.2010.05531

Volume 31 Issue 5

Sep. 2010

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LIU Kai, ZHOU Wei, LI Feng-Lian, LAN Jia-Hu. A fish-based biotic integrity index selection for rivers in Hechi Prefecture, Guangxi and their environmental quality assessment. Zoological Research, 2010, 31(5): 531-538. doi: 10.3724/SP.J.1141.2010.05531

Citation:

LIU Kai, ZHOU Wei, LI Feng-Lian, LAN Jia-Hu. A fish-based biotic integrity index selection for rivers in Hechi Prefecture, Guangxi and their environmental quality assessment. Zoological Research, 2010, 31(5): 531-538. doi: 10.3724/SP.J.1141.2010.05531

Citation:

LIU Kai, ZHOU Wei, LI Feng-Lian, LAN Jia-Hu. A fish-based biotic integrity index selection for rivers in Hechi Prefecture, Guangxi and their environmental quality assessment. Zoological Research, 2010, 31(5): 531-538. doi: 10.3724/SP.J.1141.2010.05531

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A fish-based biotic integrity index selection for rivers in Hechi Prefecture, Guangxi and their environmental quality assessment

doi: 10.3724/SP.J.1141.2010.05531

1.
Faculty of Conservation Biology in Southwest Forestry University, Key Laboratory of Forest Disaster Warning and Control in Yunnan Province, Kunming 650224, China; 2. Wildlife Conservation Society, Guangzhou 5102603, China;. 3. Fisheries Bureau of Du’an, Hechi 530700, China

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Author Bio:
LIU Kai
Corresponding author: ZHOU Wei
Received Date: 2010-05-05
Rev Recd Date: 2010-08-05
Publish Date: 2010-10-22

Abstract

Abstract

T his study aims to develop a multi‐metric, fish‐based Index of Biological Integrity (IBI) for assessing the environmental quality of rivers in Hechi Prefecture, Guangxi Province, South China. Data on fish assemblage were collected via electrofishing We screened 21 candidate metrics representing attributes of fish assemblage. Among these, six metrics were finally selected for the IBI. It was shown that the fish-based biological integrity was good in Xiaohuanjiang River , fair in Hongshuihe, Longjiang and Dahuanjiang Rivers, but poor in Diaojiang River. The results of assessment were consistent with the actual situation of human disturbance. The assessment system constructed by this study could be used or used for reference in the area around Hechi. Biotic integrity assessment was an important means of water environment quality monitoring. To enable the biotic integrity assessment more scientific and more objective, much more research work is required to focus on the relationship between biotic integrity and environmental factors.
- River,
- Biotic integrity,
- Fish,
- Index system

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References(10)

References

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