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Impact of maximum sustainable yield on mutualistic communities

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  • Legović, Tarzan
  • Geček, Sunčana

Abstract

We analyze effects of reaching the maximum sustainable yield (MSY) in a system of n cooperating logistic populations under proportional harvesting strategy. In case a selective harvesting effort adjusted to each species is implemented, the optimum effort is smaller than half the biotic potential of each species. This results in the total maximum sustainable yield (TMSY1) which does not affect the persistence of the system. In case the system is harvested with a common harvesting effort which is approximately the same for all cooperating species, like in a trawler fishing, the optimum harvesting effort leads to the TMSY2, where TMSY1≥TMSY2. In addition, species with lower biotic potential and carrying capacity may be driven to extinction, especially if these species weakly cooperate with the rest of the system. Hence, a call for implementation of TMSY2 may be equivalent to a call for extermination of some species, and it runs against the Convention on Biological Diversity (CBD, 1992). Since the documents advocating MSY, starting with the Johannesburg Implementation plan (IP, 2002) and including the EU Green Paper (EU, 2009), use TMSY2, the call for MSY must be urgently retracted and replaced with a call for adaptive management that respects CBD.

Suggested Citation

  • Legović, Tarzan & Geček, Sunčana, 2012. "Impact of maximum sustainable yield on mutualistic communities," Ecological Modelling, Elsevier, vol. 230(C), pages 63-72.
  • Handle: RePEc:eee:ecomod:v:230:y:2012:i:c:p:63-72
    DOI: 10.1016/j.ecolmodel.2012.01.006
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    References listed on IDEAS

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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. Legović, Tarzan & Geček, Sunčana, 2010. "Impact of maximum sustainable yield on independent populations," Ecological Modelling, Elsevier, vol. 221(17), pages 2108-2111.
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    Cited by:

    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. 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.
    3. Ji, Guilin & Ge, Qing & Xu, Jiabo, 2016. "Dynamic behaviors of a fractional order two-species cooperative systems with harvesting," Chaos, Solitons & Fractals, Elsevier, vol. 92(C), pages 51-55.
    4. Das, Debabrata & Kar, T.K. & Pal, Debprasad, 2023. "The impact of invasive species on some ecological services in a harvested predator–prey system," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 212(C), pages 66-90.
    5. Barman, Binandita & Ghosh, Bapan, 2019. "Explicit impacts of harvesting in delayed predator-prey models," Chaos, Solitons & Fractals, Elsevier, vol. 122(C), pages 213-228.
    6. 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.
    7. Pierre Auger & Ali Moussaoui, 2022. "Coupling of Bio-Reactors to Increase Maximum Sustainable Yield," Mathematics, MDPI, vol. 10(4), pages 1-18, February.
    8. Móréh, Ágnes & Endrédi, Anett & Piross, Sándor Imre & Jordán, Ferenc, 2021. "Topology of additive pairwise effects in food webs," Ecological Modelling, Elsevier, vol. 440(C).
    9. 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.
    10. Animesh Mahata & Sankar Prasad Mondal & Banamali Roy & Shariful Alam, 2021. "Study of two species prey-predator model in imprecise environment with MSY policy under different harvesting scenario," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(10), pages 14908-14932, October.

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