A Bioeconomic Evaluation of Future Management Options for the Australian West Coast Rock Lobster Fishery Public Deposited

http://ir.library.oregonstate.edu/concern/conference_proceedings_or_journals/f1881m84c

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  • The West Coast Rock Lobster fishery is Australia's most valuable commercial fishery. Around 550 vessels harvest 10,500 tonnes of lobster per annum. The industry has an enviable track record of biological management which has been based on a variety of input controls. In recent years this has necessitated three significant pot reduction interventions. This paper reports the results of an evaluation of a range of possible future management regimes. The results are based on the development of a detailed bio-economic model of the fishery that uses non linear optimization to produce ten year steady state solutions for alternative management options. Options analysed include the current pot control system, and versions of variable transferable catch quota. Key outputs for each scenario are presented include: net economic benefits, breeder biomass index, annual catch, annual pot lifts, number of pots and vessel numbers. The model specifically allows for the three biological zones in the fishery. The results indicate significant potential net economic gains from moving away from the current input control regime. The range of scenarios modelled allows fisheries managers and fishers to analyse the tradeoffs between maximizing net economic returns and biological risks as well as assessing the impact of specific policy changes such as improved pot design and extended fishing seasons. The research has involved extensive consultation with fishers and fisheries managers and the results will be used by the industry in developing a new management system during 2006 to 2008.
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  • McLeod, Paul, Robert Linder and John Nicholls. 2006. A Bioeconomic Evaluation of Future Management Options for the Australian West Coast Rock Lobster Fishery. In: Proceedings of the Thirteenth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 11-14, 2006, Portsmouth, UK: Rebuilding Fisheries in an Uncertain Environment. Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2006. CD ROM. ISBN 0-9763432-3-1
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