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A Bioeconomic Model using a Stage Population Matrix for the Northern Prawn Fishery in Australia

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  • The Northern Prawn Fishery is one of the most valuable fisheries in Australia with a yearly estimated value of production of about $64mil. Nine prawn species are commercially harvested from the Northern Prawn Fishery with 80% of annual average catch represented by the banana prawn (Fenneropenaeus merguiensis) and the tiger prawns (Penaeus esculentus and Penaeus semisulcatus). The biological complexity of this multi-species fishery affects the ability of management to predict stock levels and consequently to set economically sustainable harvest levels. The model developed here suggests optimal management strategies using a stage population matrix to estimate prawn abundance as a function of catch and effort registered in previous years. Coefficients are parameterized for each species. The bioeconomic model provides a simplified approach for regulating the fishery based on the current resources and constraints, and determines economic optimal levels of future harvest under a sustainable strategy.
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  • Valle de Souza, Simone, Oscar Cacho and Cedric Gondro. 2008. A Bioeconomic Model using a Stage Population Matrix for the Northern Prawn Fishery in Australia. In: Proceedings of the Fourteenth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 22-25, 2008, Nha Trang, Vietnam: Achieving a Sustainable Future: Managing Aquaculture, Fishing, Trade and Development. Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2008.
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  • US National Oceanic and Atmospheric Administration (NOAA) Fisheries Division, The Department of Fisheries and Oceans, Canada; Aquaculture CRSP and AquaFish CRSP; Minh Phu Seafood Corporation; Vietnam Datacommunication Company (VDC); Camau Frozen Seafood Processing Import Export Corporation (Camimex); Long Sinh Limited Company; Mai Linh Group and Nam Viet Corporation.
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