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Global sensitivity analysis of a marine ecosystem dynamic model of the Sanggou Bay

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Listed:
  • Zheng, Wei
  • Shi, Honghua
  • Fang, Guohong
  • Hu, Long
  • Peng, Shitao
  • Zhu, Mingyuan

Abstract

A global sensitivity analysis (GSA) is performed on a marine ecosystem dynamic model by using Morris’ method with testing 10,000 times in this paper. This statistical sampling method allows to display nonlinear characteristics of interactions among various parameters and rank the most relevant parameters of the model. With this method, we proposed the model's parameter optimization strategy and applied this to the Sanggou Bay. The results showed that the method not only can safeguard the objectivity of parameter set initial values, but also can avoid stochasticity of analytical results. Compared with the local one, the GSA is found to have a series of advantages, which supports necessity of developing it.

Suggested Citation

  • Zheng, Wei & Shi, Honghua & Fang, Guohong & Hu, Long & Peng, Shitao & Zhu, Mingyuan, 2012. "Global sensitivity analysis of a marine ecosystem dynamic model of the Sanggou Bay," Ecological Modelling, Elsevier, vol. 247(C), pages 83-94.
    • Handle: RePEc:eee:ecomod:v:247:y:2012:i:c:p:83-94
    DOI: 10.1016/j.ecolmodel.2012.08.003
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    References listed on IDEAS

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    1. Cossarini, Gianpiero & Solidoro, Cosimo, 2008. "Global sensitivity analysis of a trophodynamic model of the Gulf of Trieste," Ecological Modelling, Elsevier, vol. 212(1), pages 16-27.
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    Cited by:

    1. Yu, Shiyang & Song, Da & Fan, Meng & Xie, Congbo, 2023. "Effects of temperature and salinity on growth of Aurelia aurita," Ecological Modelling, Elsevier, vol. 476(C).
    2. Yi, Xuan & Zou, Rui & Guo, Huaicheng, 2016. "Global sensitivity analysis of a three-dimensional nutrients-algae dynamic model for a large shallow lake," Ecological Modelling, Elsevier, vol. 327(C), pages 74-84.
    3. Morris, David J. & Speirs, Douglas C. & Cameron, Angus I. & Heath, Michael R., 2014. "Global sensitivity analysis of an end-to-end marine ecosystem model of the North Sea: Factors affecting the biomass of fish and benthos," Ecological Modelling, Elsevier, vol. 273(C), pages 251-263.

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