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An exergy-based analysis of the co-evolution of different species sharing common resources

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  • Sciubba, Enrico
  • Zullo, Federico

Abstract

We consider a set of species feeding on the same exergy resources. The balance equations for the allocation of such resources among the species result in a set of non linear differential equations describing the dynamics of each population. We address the important question of optimal exploitation of the incoming exergy resource at the species- and ecological niche level: more specifically, after a formal definition of the exergy effectiveness of the conversion for the overall system and for each species, we search for the – unique or multiple – set of values of the model parameters that may lead to a sustainable situation in which all of the species survive and – together – optimally exploit the incoming exergy flux. The analytical results will be discussed both qualitatively and, for a 2-species case, quantitatively.

Suggested Citation

  • Sciubba, Enrico & Zullo, Federico, 2014. "An exergy-based analysis of the co-evolution of different species sharing common resources," Ecological Modelling, Elsevier, vol. 273(C), pages 277-283.
    • Handle: RePEc:eee:ecomod:v:273:y:2014:i:c:p:277-283
    DOI: 10.1016/j.ecolmodel.2013.10.011
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    References listed on IDEAS

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    1. Enrico Sciubba & Federico Zullo, 2012. "An Exergy-Based Model for Population Dynamics: Adaptation, Mutualism, Commensalism and Selective Extinction," Sustainability, MDPI, vol. 4(10), pages 1-19, October.
    2. Sciubba, Enrico, 2011. "What did Lotka really say? A critical reassessment of the “maximum power principle”," Ecological Modelling, Elsevier, vol. 222(8), pages 1347-1353.
    3. Enrico Sciubba & Federico Zullo, 2011. "Exergy‐Based Population Dynamics: A Thermodynamic View of the Sustainability Concept," Journal of Industrial Ecology, Yale University, vol. 15(2), pages 172-184, April.
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    Citations

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    Cited by:

    1. Sciubba, Enrico, 2019. "Exergy-based ecological indicators: From Thermo-Economics to cumulative exergy consumption to Thermo-Ecological Cost and Extended Exergy Accounting," Energy, Elsevier, vol. 168(C), pages 462-476.
    2. Sciubba, Enrico, 2020. "Shape from function: The exergy cost of viscous flow in bifurcated diabatic tubes," Energy, Elsevier, vol. 213(C).

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