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IJERPH, Vol. 14, Pages 870: Water Environment Assessment as an Ecological Red Line Management Tool for Marine Wetland Protection

02 Aug 2017

IJERPH, Vol. 14, Pages 870: Water Environment Assessment as an Ecological Red Line Management Tool for Marine Wetland Protection

International Journal of Environmental Research and Public Health doi: 10.3390/ijerph14080870

Authors:
Yinan Zhang
Chunli Chu
Lei Liu
Shengguo Xu
Xiaoxue Ruan
Meiting Ju

A ‘red line’ was established, identifying an area requiring for ecological protection in Tianjin, China. Within the protected area of the red line area, the Qilihai wetland is an important ecotope with complex ecological functions, although the ecosystem is seriously disturbed due to anthropogenic activities in the surrounding areas. This study assesses the water quality status of the Qilihai wetlands to identify the pollution sources and potential improvements based on the ecological red line policy, to improve and protect the waters of the Qilihai wetlands. An indicator system was established to assess water quality status using single factor evaluation and a comprehensive evaluation method, supported by data from 2010 to 2013. Assessment results show that not all indicators met the requirement of the Environmental Quality Standards for Surface Water (GB3838-2002) and that overall, waters in the Qilihai wetland were seriously polluted. Based on these findings we propose restrictions on all polluting anthropogenic activities in the red line area and implementation of restoration projects to improve water quality.

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