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Trophic flow kinetics in marine ecosystems: Toward a theoretical approach to ecosystem functioning

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  • Gascuel, Didier
  • Morissette, Lyne
  • Palomares, Maria Lourdes D.
  • Christensen, Villy

Abstract

Based on a theoretical approach, Gascuel showed that trophic flow kinetics is a key characteristic of ecosystems’ functioning, partly determining their response to human disturbances such as fishing pressure. The kinetics quantifies the speed of the trophic flow, i.e., the velocity of biomass transfers from low to upper trophic levels, due to predation and/or ontogeny. In the present paper, we show that the production/biomass (P/B) ratio, used in many ecosystem models and particularly in the EwE software, can be considered a measure of this speed of the trophic flow. We propose an empirical model that expresses the P/B ratio as a generic function of the trophic level (τ) and the mean water temperature (θ).

Suggested Citation

  • 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.
    • Handle: RePEc:eee:ecomod:v:217:y:2008:i:1:p:33-47
    DOI: 10.1016/j.ecolmodel.2008.05.012
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    References listed on IDEAS

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    1. Geoffrey B. West & James H. Brown & Brian J. Enquist, 1997. "A General Model for the Origin of Allometric Scaling Laws in Biology," Working Papers 97-03-019, Santa Fe Institute.
    2. Mustafa, M.G., 2003. "Trophic model of the coastal ecosystem in the waters of Bangladesh, Bay of Bangal," Monographs, The WorldFish Center, number 37738, April.
    3. Froese, R. & Pauly, D. (eds.), 2000. "FishBase 2000: Concepts, designs and data sources," Monographs, The WorldFish Center, number 13988, April.
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    Cited by:

    1. 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.
    2. Gubiani, Éder A. & Angelini, Ronaldo & Vieira, Ludgero C.G. & Gomes, Luiz C. & Agostinho, Angelo A., 2011. "Trophic models in Neotropical reservoirs: Testing hypotheses on the relationship between aging and maturity," Ecological Modelling, Elsevier, vol. 222(23), pages 3838-3848.
    3. Saint-Béat, B. & Vézina, A.F. & Asmus, R. & Asmus, H. & Niquil, N., 2013. "The mean function provides robustness to linear inverse modelling flow estimation in food webs: A comparison of functions derived from statistics and ecological theories," Ecological Modelling, Elsevier, vol. 258(C), pages 53-64.
    4. Link, Jason S. & Pranovi, Fabio & Libralato, Simone, 2022. "Simulations and interpretations of cumulative trophic theory," Ecological Modelling, Elsevier, vol. 463(C).
    5. Bowen Zhang & Heidi Pethybridge & Patti Virtue & Peter D. Nichols & Kerrie Swadling & Alan Williams & Kim Lee-Chang, 2023. "Evaluating Alternative and Sustainable Food Resources: A Review of the Nutritional Composition of Myctophid Fishes," Sustainability, MDPI, vol. 15(15), pages 1-19, August.
    6. Tanaka, Yoshinari & Mano, Hiroyuki, 2012. "Functional traits of herbivores and food chain efficiency in a simple aquatic community model," Ecological Modelling, Elsevier, vol. 237, pages 88-100.
    7. Gascuel, Didier & Pauly, Daniel, 2009. "EcoTroph: Modelling marine ecosystem functioning and impact of fishing," Ecological Modelling, Elsevier, vol. 220(21), pages 2885-2898.
    8. 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.

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