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Modeling the economic and ecological co-viability of the Northern Prawn Fishery in Australia

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  • With the development of the ecosystem approach to f isheries (EAF), fisheries management is increasingly required to deal with multiple, often conflicting objectives. In this context, the stochastic co-viability approach has been proposed as a useful modeling framework as it allows for the combined representation of complex fisherie s dynamics, uncertainty and the need to include multiple dimensions in the evaluation of su stainability. The present paper focuses on the application of this approach to the case of the Nor thern Prawn Fishery (NPF) in Australia. The fishery is based on several high valued prawn speci es each with different biology: an uncertain resource, the white banana prawn (Penaeus merguiens is), a more predictable resource comprising two target tiger prawns (Penaeus semisul catus and P. Esculentus) and the by-product blue Endeavour prawn (Metapenaeus endeavouri). A bi o-economic multi-species and multi- fishing strategies model is developed to examine ho w the fishery can operate within a set of constraints relating to spawning stock size of each prawn species, impacts on benthos and habitats, and economic profitability of the fleet.
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  • Gourguet, S. et al. Modeling the economic and ecological co-viability of the Northern Prawn Fishery in Australia. Visible Possibilities: The Economics of Sustainable Fisheries, Aquaculture and Seafood Trade: Proceedings of the Sixteenth Biennial Conference of the International Institute of Fisheries Economics and Trade, July 16-20, Dar es Salaam, Tanzania. Edited by Ann L. Shriver. International Institute of Fisheries Economics and Trade (IIFET), Corvallis, 2012.
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  • AQUAFISH, USAID, NEPAD Planning and Coordination Agency, Norad, The World Bank, Hyatt Regency Dar es Salaam, NAAFE, World Wildlife Fund, United Nations University Fisheries Training Programme, ICEIDA, JICA, JIFRS, The European Association of Fisheries Economists, International Seafood Sustainability Foundation
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