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Impact of maximum sustainable yield on independent populations

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  • Legović, Tarzan
  • Geček, Sunčana

Abstract

We investigate a community of independent logistically growing populations under a common harvesting effort which leads to the total maximum sustainable yield (TMSY). It is surprising that in the case of two populations with approximately equal carrying capacities, TMSY is reached while both populations persist, although their biotic potential may differ substantially. In general, however, TMSY with a common harvesting effort implies suboptimal fishing of some populations, overfishing of others and extinction of the rest of the populations. Since extinction of populations is a rule rather than an exception and since a community of independent populations is more robust than an ecosystem with multiple trophic levels, we call for urgent retraction of all legal documents advocating MSY in ecosystems.

Suggested Citation

  • Legović, Tarzan & Geček, Sunčana, 2010. "Impact of maximum sustainable yield on independent populations," Ecological Modelling, Elsevier, vol. 221(17), pages 2108-2111.
    • Handle: RePEc:eee:ecomod:v:221:y:2010:i:17:p:2108-2111
    DOI: 10.1016/j.ecolmodel.2010.05.015
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    1. Legović, Tarzan & Klanjšček, Jasminka & Geček, Sunčana, 2010. "Maximum sustainable yield and species extinction in ecosystems," Ecological Modelling, Elsevier, vol. 221(12), pages 1569-1574.
    2. Klanjšček, J. & Legović, T., 2007. "Is anchovy (Engraulis encrasicolus, L.) overfished in the Adriatic Sea?," Ecological Modelling, Elsevier, vol. 201(3), pages 312-316.
    3. Legović, Tarzan, 2008. "Impact of demersal fishery and evidence of the Volterra principle to the extreme in the Adriatic Sea," Ecological Modelling, Elsevier, vol. 212(1), pages 68-73.
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    1. Auger, Pierre & Kooi, Bob & Moussaoui, Ali, 2022. "Increase of maximum sustainable yield for fishery in two patches with fast migration," Ecological Modelling, Elsevier, vol. 467(C).
    2. Adrien Lagarde & Abdoul Ahad-Cissé & Sophie Gourguet & Olivier Le Pape & Olivier Thébaud & Nathalie Caill-Milly & Gilles Morandeau & Claire Macher & Luc Doyen, 2017. "How MMEY mitigates bio-economic impacts of climate change on mixed fisheries," Cahiers du GREThA (2007-2019) 2017-22, Groupe de Recherche en Economie Théorique et Appliquée (GREThA).
    3. Legović, Tarzan & Geček, Sunčana, 2012. "Impact of maximum sustainable yield on mutualistic communities," Ecological Modelling, Elsevier, vol. 230(C), pages 63-72.
    4. Helene Gomes & Luc Doyen & Fabian Blanchard & Adrien Lagarde, 2021. "Viable and ecosystem-based management for tropical small-scale fisheries facing climate change," Bordeaux Economics Working Papers 2021-24, Bordeaux School of Economics (BSE).
    5. Violaine Tarizzo & Eric Tromeur & Olivier Thébaud & Richard Little & Sarah Jennings & Luc Doyen, 2018. "Risk averse policies foster bio-economic sustainability in mixed fisheries," Cahiers du GREThA (2007-2019) 2018-07, Groupe de Recherche en Economie Théorique et Appliquée (GREThA).
    6. Ghosh, Bapan & Kar, T.K., 2014. "Sustainable use of prey species in a prey–predator system: Jointly determined ecological thresholds and economic trade-offs," Ecological Modelling, Elsevier, vol. 272(C), pages 49-58.
    7. Barnes, Belinda & Sidhu, Harvinder, 2013. "The impact of marine closed areas on fishing yield under a variety of management strategies and stock depletion levels," Ecological Modelling, Elsevier, vol. 269(C), pages 113-125.
    8. Lagarde, A. & Doyen, L. & Ahad-Cissé, A. & Caill-Milly, N. & Gourguet, S. & Pape, O. Le & Macher, C. & Morandeau, G. & Thébaud, O., 2018. "How Does MMEY Mitigate the Bioeconomic Effects of Climate Change for Mixed Fisheries," Ecological Economics, Elsevier, vol. 154(C), pages 317-332.
    9. Kar, T.K. & Ghosh, Bapan, 2013. "Impacts of maximum sustainable yield policy to prey–predator systems," Ecological Modelling, Elsevier, vol. 250(C), pages 134-142.
    10. Pierre Auger & Ali Moussaoui, 2022. "Coupling of Bio-Reactors to Increase Maximum Sustainable Yield," Mathematics, MDPI, vol. 10(4), pages 1-18, February.
    11. Móréh, Ágnes & Endrédi, Anett & Piross, Sándor Imre & Jordán, Ferenc, 2021. "Topology of additive pairwise effects in food webs," Ecological Modelling, Elsevier, vol. 440(C).
    12. Woodall, Hannah & Bullock, James M. & White, Steven M., 2014. "Modelling the harvest of an insect pathogen," Ecological Modelling, Elsevier, vol. 287(C), pages 16-26.
    13. Tromeur, Eric & Doyen, Luc & Tarizzo, Violaine & Little, L. Richard & Jennings, Sarah & Thébaud, Olivier, 2021. "Risk averse policies foster bio-economic sustainability in mixed fisheries," Ecological Economics, Elsevier, vol. 190(C).

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