Abstract
The ecosystem-based management of nearshore waters requires integrated assessment of ocean health and scientific guidance on artificial regulations to promote sustainable development. Quantitative approaches were developed in this paper to assess present and near-term ocean health based on ecosystem services. Results of the case study in the Laizhou Bay of China showed that the index score of ocean health was 0.785 6 out of 1.0 at present and was expected to range from 0.555 1 to 0.804 1 in the near-term future depending on different intensities of artificial regulation of negative pressures. Specifically, the results of ocean health at present mainly indicated that cultural services and provisioning services performed essentially perfectly while supporting services and regulating services functioned less well. It can be concluded that this nearshore ecosystem would partially lose supporting and regulating services in the near-term future if the increasing pressures were not wellregulated but that all of these categories of ecosystem services could be slightly improved if the negative pressures were fully controlled. Additionally, it is recommended that publicity and education on ecosystem services especially on cultural services and regulating services should be further strengthened. The analytical process and resulting quantification provide flexible tools to guide future development of regulations so as to facilitate ecosystem-based management in the coastal zone.
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Foundation item: The Public Science and Technology Research Funds Projects of Ocean in China under contract Nos 201005008 and 201005009; the National Natural Science Foundation of China under contract No. 41206112.
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Shen, C., Zheng, W., Shi, H. et al. Assessment and regulation of ocean health based on ecosystem services: Case study in the Laizhou Bay, China. Acta Oceanol. Sin. 34, 61–66 (2015). https://doi.org/10.1007/s13131-015-0777-6
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DOI: https://doi.org/10.1007/s13131-015-0777-6