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Management of a Multiple Cohort Fishery: The Hard Clam in Great South Bay

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  • Jon M. Conrad

Abstract

This paper develops a reasonably general multiple cohort model and derives conditions for optimal harvest and age structure based on a discrete time control problem which maximizes the present value of net revenues subject to recruitment and spawning constraints. The model is applied to the hard clam resource in Great South Bay, which is located on Long Island, New York. The steady state optimum calls for exclusive harvesting of the younger, and more valuable, "littleneck" cohorts; leaving the older, and less valuable, "cherrystone" and "chowder" cohorts to specialize in regeneration.

Suggested Citation

  • Jon M. Conrad, 1982. "Management of a Multiple Cohort Fishery: The Hard Clam in Great South Bay," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 64(3), pages 463-474.
  • Handle: RePEc:oup:ajagec:v:64:y:1982:i:3:p:463-474.
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    File URL: http://hdl.handle.net/10.2307/1240638
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    Cited by:

    1. Nuttall, M.A. & Jordaan, A. & Cerrato, R.M. & Frisk, M.G., 2011. "Identifying 120 years of decline in ecosystem structure and maturity of Great South Bay, New York using the Ecopath modelling approach," Ecological Modelling, Elsevier, vol. 222(18), pages 3335-3345.
    2. Graeme J. Doole, 2005. "Optimal management of the New Zealand longfin eel (Anguilla dieffenbachii)," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 49(4), pages 395-411, December.
    3. Doole, Graeme J. & Alexander, Robert R., 2005. "Importance of user cost to the optimal management of multiplecohort fish populations," 2005 Conference (49th), February 9-11, 2005, Coff's Harbour, Australia 137839, Australian Agricultural and Resource Economics Society.
    4. Monette, Marcel, 1986. "L’Économique des pêcheries : une revue de la littérature," L'Actualité Economique, Société Canadienne de Science Economique, vol. 62(2), pages 289-305, juin.

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