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Sustainable Management of Shrimp Trawl Fishery in Tonkin Gulf, Vietnam

Author

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  • Thanh Viet Nguyen

    (Faculty of Development Economics, VNU University of Economics and Business, Hanoi, Vietnam)

Abstract

This study investigates the sustainability of shrimp stock in the trawl fishery in the Tonkin Gulf, Vietnam. It is a small scale and multi-species fishery. The Verhulst-Schaefer and Gompertz-Fox surplus production models are applied. There are two shrimp spawning seasons in a year in the Gulf. Therefore, in this study, the surplus production models, associated to catch calendar and effort data, are applied for a half-year time interval. The results indicate that the fishing effort should be reduced by roughly 12-44% to achieve the maximum sustainable yield and 46-61% to reach the maximum economic yield. With a social discount rate of 10%, the effort should decrease by around 45-56% to achieve the optimal yield. The entry tax should be 92-279 USD/month/boat to achieve the maximum sustainable yield and 160-314 USD/month/boat to attain the maximum economic yield.

Suggested Citation

  • Thanh Viet Nguyen, 2011. "Sustainable Management of Shrimp Trawl Fishery in Tonkin Gulf, Vietnam," Applied Economics Journal, Kasetsart University, Faculty of Economics, Center for Applied Economic Research, vol. 18(2), pages 65-81, December.
    • Handle: RePEc:aej:apecjn:v:18:y:2011:i:2:p:65-81
    as

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    References listed on IDEAS

    as
    1. Kompas, Tom & Dichmont, Cathy M. & Punt, Andre E. & Deng, A. & Che, Tuong Nhu & Bishop, Janet & Gooday, Peter & Ye, Yemin & Zhou, S., 2010. "Maximizing profits and conserving stocks in the Australian Northern Prawn Fishery," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 54(3), pages 1-19.
    2. Grafton, R. Quentin & Kompas, Tom & Chu, Long & Che, Nhu, 2010. "Maximum economic yield," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 54(3), pages 1-8.
    3. Ahmed, Mahfuzuddin & Boonchuwongse, Pongpat & Dechboon, Waraporn & Squires, Dale, 2007. "Overfishing in the Gulf of Thailand: policy challenges and bioeconomic analysis," Environment and Development Economics, Cambridge University Press, vol. 12(1), pages 145-172, February.
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    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    bioeconomic analysis; shrimp trawl fishery; fishery management; Vietnam;
    All these keywords.

    JEL classification:

    • D24 - Microeconomics - - Production and Organizations - - - Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity
    • H41 - Public Economics - - Publicly Provided Goods - - - Public Goods
    • Q22 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Fishery

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