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Stochastic Optimization for Multispecies Fisheries in the Barents Sea

Author

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  • Poudel, Diwakar

    (Dept. of Business and Management Science, Norwegian School of Economics)

  • Sandal, Leif K.

    (Dept. of Business and Management Science, Norwegian School of Economics)

Abstract

This study presents a multispecies stochastic model. The model suggests optimal fishing policy for two species in a three species predator prey ecosystem in the Barents Sea. We have employed stochastic dynamic programing to solve a three dimensional model, where catch is optimized by a multispecies feedback strategy. Application of the model in cod, capelin and herring ecosystem in the Barents Sea shows that the optimal catch for stochastic interaction model is more conservative compared to deterministic policy. Furthermore, we found that stochasticity has strong effect on optimal exploitation policy in the prey (capelin) compared to the predator (cod) species.

Suggested Citation

  • Poudel, Diwakar & Sandal, Leif K., 2014. "Stochastic Optimization for Multispecies Fisheries in the Barents Sea," Discussion Papers 2014/2, Norwegian School of Economics, Department of Business and Management Science.
    • Handle: RePEc:hhs:nhhfms:2014_002
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    File URL: http://hdl.handle.net/11250/194958
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    References listed on IDEAS

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    1. Singh, Rajesh & Weninger, Quinn & Doyle, Matthew, 2006. "Fisheries management with stock growth uncertainty and costly capital adjustment," Journal of Environmental Economics and Management, Elsevier, vol. 52(2), pages 582-599, September.
    2. Aanestad, Sigurd & Sandal, Leif K. & Eide, Arne, 2007. "Optimal Fishing Policy for Two Species in a Three-Species Predator-Prey Model The case of Capelin, Cod and Juvenile Herring in the Barents Sea," Discussion Papers 2007/29, Norwegian School of Economics, Department of Business and Management Science.
    3. Kasperski, Stephen, 2010. "Optimal Multispecies Harvesting in the Presence of a Nuisance Species," 2010 Annual Meeting, July 25-27, 2010, Denver, Colorado 61718, Agricultural and Applied Economics Association.
    4. Poudel, Diwakar & Sandal, Leif K. & Kvamsdal, Sturla F., 2012. "Analyzing Risk of Stock Collapse in a Fishery under Stochastic Profit Maximization," Discussion Papers 2012/4, Norwegian School of Economics, Department of Business and Management Science.
    5. Olaf Posch & Timo Trimborn, 2010. "Numerical solution of continuous-time DSGE models under Poisson uncertainty," Economics Working Papers 2010-08, Department of Economics and Business Economics, Aarhus University.
    6. Poudel, Diwakar & Sandal, Leif K. & Steinshamn, Stein I. & Kvamsdal, Sturla F., 2012. "Do Species Interactions and Stochasticity Matter to Optimal Management of Multispecies Fisheries?," Discussion Papers 2012/1, Norwegian School of Economics, Department of Business and Management Science.
    7. Doyle, Matthew & Singh, Rajesh & Weninger, Quinn, 2006. "Fisheries Management with Stock Uncertainty and Costly Capital Adjustment," Staff General Research Papers Archive 12770, Iowa State University, Department of Economics.
    8. Poudel, Diwakar & Sandal, Leif K. & Kvamsdal, Sturla F. & Steinshamn, Stein I., 2011. "Fisheries Management under Irreversible Investment: Does Stochasticity Matter?," Discussion Papers 2011/20, Norwegian School of Economics, Department of Business and Management Science.
    9. Fleming, Christopher M. & Alexander, Robert R., 2002. "Single Species Versus Multiple Species Models: The Economic Implications," Discussion Papers in Natural Resource and Environmental Economics 23693, Massey University, Centre for Applied Economics and Policy Studies.
    10. Sarkar, Sudipto, 2009. "Optimal fishery harvesting rules under uncertainty," Resource and Energy Economics, Elsevier, vol. 31(4), pages 272-286, November.
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    Citations

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    Cited by:

    1. Jules Selles, 2018. "Fisheries management: what uncertainties matter?," Working Papers hal-01824238, HAL.
    2. Kvamsdal, Sturla F. & Sandal, Leif K. & Poudel, Diwakar, 2020. "Ecosystem wealth in the Barents Sea," Ecological Economics, Elsevier, vol. 171(C).

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    More about this item

    Keywords

    Barents Sea; Ecosystem based management; Multispecies; Stochastic optimization;
    All these keywords.

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • Q22 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Fishery
    • Q57 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Ecological Economics

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