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Li, Zhiwei
- The Assessment Method About the Impact of Intensive Sea Use Project on Marine Ecological Environment
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Authors
Affiliations
1 Ocean College, Agricultural University of Hebei, Qinhuangdao, CN
2 Ecology Department, Environmental Management College of China, Qinhuangdao, CN
1 Ocean College, Agricultural University of Hebei, Qinhuangdao, CN
2 Ecology Department, Environmental Management College of China, Qinhuangdao, CN
Source
Nature Environment and Pollution Technology, Vol 17, No 2 (2018), Pagination: 511-515Abstract
As a more efficient and scientific way for sea use, the intensive sea use would also change and disturb the natural property of the sea to a certain extent, and even cause marine environmental pollution and ecological destruction. Therefore, it is very important to evaluate and minimize the impact of the intensive sea use project on marine ecological environment. In the present study, based on the abiotic and biotic factors of marine ecosystem, the evaluation index system about the impact of intensive sea use project on marine ecological environment was constructed. On this basis, combined with Chinese current marine ecological environmental monitoring and assessment, the evaluation standard and evaluation grade of each evaluation factor was determined. The model based on integrated assignment evaluation method was established, which may evaluate the impact of intensive sea use project on marine ecological environment, and thus determine the suitability of intensive sea use project using the variation of the marine ecological environment comprehensive index before and after the project construction of the intensive use sea (ΔI). The ΔI >30% indicates that the marine ecological environment is seriously affected; 15%<ΔI≤30% indicates that the marine ecological environment is greatly affected; 5%<ΔI≤15% indicates that the marine ecological environment is generally affected; and when ΔI≤5%, it indicates that the marine ecological environment is slightly affected or not affected. Therefore, these results are expected to offer appropriate technological support for deciding the scales and sites of the intensive marine engineering, and also provide service for scientific management of the intensive sea use.Keywords
Intensive Sea Use Project, Marine Ecological Environment, Evaluation Index System, Evaluation Standard.Full Text
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