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Water 2018, 10(7), 909; https://doi.org/10.3390/w10070909

Assessing Aquatic Ecological Health for Lake Poyang, China: Part II Index Application

1
School of Geography and Tourism, Anhui Normal University, Wuhu 241003, China
2
Engineering Technology Research Center of Resources Environment and GIS, Wuhu 241003, China
3
Key Laboratory of Watershed Geographic Sciences, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China
4
Key Laboratory of Poyang Lake Wetland and Watershed Research, Ministry of Education, Jiangxi Normal University, Nanchang 330022, China
5
Poyang Lake Hydrology Bureau of Jiangxi Province, Jiujiang 332800, China
*
Authors to whom correspondence should be addressed.
Received: 16 May 2018 / Revised: 26 June 2018 / Accepted: 29 June 2018 / Published: 10 July 2018
(This article belongs to the Section Water Quality and Ecosystems)
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Abstract

As one of the largest Yangtze river-connected lakes in China, Lake Poyang’s heath status has increasingly become a cause for concern. This study evaluated Lake Poyang’s heath status using a newly developed index (ecosystem health index for Lake Poyang, LP-EHI). The evaluation results revealed a declining tendency in the lake’s health status from 2010 to 2014. The health conditions for Lake Poyang were “good”, “fair”, and “fair” in 2010, 2013, and 2014, respectively. The individual indices for water quality, nutrient conditions, and benthic macroinvertebrate showed a deteriorating trend from 2010 to 2014 mainly due to human activities, such as industrial pollution. Further analysis revealed that the health status of Lake Poyang was strongly affected by hydrological processes. This study demonstrated the potential of LP-EHI in evaluating the ecological health of Lake Poyang. Such a heath status evaluation can be applied to other lakes, and can benefit lake management, restoration, and conservation. View Full-Text
Keywords: ecosystem health index; health assessment; Lake Poyang ecosystem health index; health assessment; Lake Poyang
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Qi, L.; Huang, J.; Huang, Q.; Gao, J.; Wang, S.; Guo, Y. Assessing Aquatic Ecological Health for Lake Poyang, China: Part II Index Application. Water 2018, 10, 909.

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