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Database-driven models of the world's Large Marine Ecosystems

Author

Listed:
  • Christensen, Villy
  • Walters, Carl J.
  • Ahrens, Robert
  • Alder, Jacqueline
  • Buszowski, Joe
  • Christensen, Line Bang
  • Cheung, William W.L.
  • Dunne, John
  • Froese, Rainer
  • Karpouzi, Vasiliki
  • Kaschner, Kristin
  • Kearney, Kelly
  • Lai, Sherman
  • Lam, Vicki
  • Palomares, Maria L.D.
  • Peters-Mason, Aja
  • Piroddi, Chiara
  • Sarmiento, Jorge L.
  • Steenbeek, Jeroen
  • Sumaila, Rashid
  • Watson, Reg
  • Zeller, Dirk
  • Pauly, Daniel

Abstract

We present a new methodology for database-driven ecosystem model generation and apply the methodology to the world's 66 currently defined Large Marine Ecosystems. The method relies on a large number of spatial and temporal databases, including FishBase, SeaLifeBase, as well as several other databases developed notably as part of the Sea Around Us project. The models are formulated using the freely available Ecopath with Ecosim (EwE) modeling approach and software. We tune the models by fitting to available time series data, but recognize that the models represent only a first-generation of database-driven ecosystem models. We use the models to obtain a first estimate of fish biomass in the world's LMEs. The biggest hurdles at present to further model development and validation are insufficient time series trend information, and data on spatial fishing effort.

Suggested Citation

  • Christensen, Villy & Walters, Carl J. & Ahrens, Robert & Alder, Jacqueline & Buszowski, Joe & Christensen, Line Bang & Cheung, William W.L. & Dunne, John & Froese, Rainer & Karpouzi, Vasiliki & Kaschn, 2009. "Database-driven models of the world's Large Marine Ecosystems," Ecological Modelling, Elsevier, vol. 220(17), pages 1984-1996.
    • Handle: RePEc:eee:ecomod:v:220:y:2009:i:17:p:1984-1996
    DOI: 10.1016/j.ecolmodel.2009.04.041
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    References listed on IDEAS

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    1. Gascuel, Didier & Morissette, Lyne & Palomares, Maria Lourdes D. & Christensen, Villy, 2008. "Trophic flow kinetics in marine ecosystems: Toward a theoretical approach to ecosystem functioning," Ecological Modelling, Elsevier, vol. 217(1), pages 33-47.
    2. U. Sumaila & A. Marsden & Reg Watson & Daniel Pauly, 2007. "A Global Ex-vessel Fish Price Database: Construction and Applications," Journal of Bioeconomics, Springer, vol. 9(1), pages 39-51, April.
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    Cited by:

    1. Alva-Basurto, Jorge Christian & Arias-González, Jesús Ernesto, 2014. "Modelling the effects of climate change on a Caribbean coral reef food web," Ecological Modelling, Elsevier, vol. 289(C), pages 1-14.
    2. Colléter, Mathieu & Valls, Audrey & Guitton, Jérôme & Gascuel, Didier & Pauly, Daniel & Christensen, Villy, 2015. "Global overview of the applications of the Ecopath with Ecosim modeling approach using the EcoBase models repository," Ecological Modelling, Elsevier, vol. 302(C), pages 42-53.
    3. Frisk, M.G. & Miller, T.J. & Latour, R.J. & Martell, S.J.D., 2011. "Assessing biomass gains from marsh restoration in Delaware Bay using Ecopath with Ecosim," Ecological Modelling, Elsevier, vol. 222(1), pages 190-200.

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