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Threshold Effects in Coral Reef Fisheries

Author

Listed:
  • Anne Sophie Crépin

    (the Beijer Institute, the International Institute of Ecological Economics and University of Stockholm, Sweden)

Abstract

Coral reefs may naturally flip between coral-dominated and algae-dominated states, when species' stocks trespass some threshold levels. This essay uses a stylized model of a coral reef to show how fishing may induce flips towards more algae-dominated states. Threshold effects have consequences for fisheries management, which are analyzed for open access fisheries and sole ownership.

Suggested Citation

  • Anne Sophie Crépin, 2003. "Threshold Effects in Coral Reef Fisheries," Working Papers 2003.107, Fondazione Eni Enrico Mattei.
  • Handle: RePEc:fem:femwpa:2003.107
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    References listed on IDEAS

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    1. W.-J. Beyn, T. Pampel, W.Semmler, 2001. "Dynamic optimization and Skiba sets in economic examples," Computing in Economics and Finance 2001 29, Society for Computational Economics.
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    3. Wagener, F. O. O., 2003. "Skiba points and heteroclinic bifurcations, with applications to the shallow lake system," Journal of Economic Dynamics and Control, Elsevier, vol. 27(9), pages 1533-1561, July.
    4. M. Kurz, 1968. "The General Instability of a Class of Competitive Growth Processes," Review of Economic Studies, Oxford University Press, vol. 35(2), pages 155-174.
    5. Carpenter,S.R. & Ludwig,D. & Brock,W.A., 1998. "Management of eutrophication for lakes subject to potentially irreversible change," Working papers 25, Wisconsin Madison - Social Systems.
    6. Plourde, C G, 1970. "A Simple Model of Replenishable Natural Resource Exploitation," American Economic Review, American Economic Association, vol. 60(3), pages 518-522, June.
    7. Eric Nævdal, 2001. "Optimal Regulation of Eutrophying Lakes, Fjords, and Rivers in the Presence of Threshold Effects," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 83(4), pages 972-984.
    8. Munro, Gordon R. & Scott, Anthony D., 1985. "The economics of fisheries management," Handbook of Natural Resource and Energy Economics,in: A. V. Kneese† & J. L. Sweeney (ed.), Handbook of Natural Resource and Energy Economics, edition 1, volume 2, chapter 14, pages 623-676 Elsevier.
    9. Anthony Scott, 1955. "The Fishery: The Objectives of Sole Ownership," Journal of Political Economy, University of Chicago Press, vol. 63, pages 116-116.
    Full references (including those not matched with items on IDEAS)

    More about this item

    Keywords

    Multiple Steady States; Fisheries; Threshold Effects; Coral Reefs; Skiba Points;

    JEL classification:

    • Q22 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Fishery
    • Q29 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Other

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