Maximizing profits and conserving stocks in the Australian Northern Prawn Fishery
AbstractThe Australian Northern Prawn Fishery (NPF) is one of the few that has adopted a dynamic version of a ‘maximum economic yield’ (MEY) target, and, on this basis, the fishery is undergoing a process of substantial stock rebuilding. This study details the bioeconomic model used to provide scientific management advice for the NPF, in terms of the amount of allowable total gear length in the fishery, for both the MEY target and the path to MEY. It combines the stock assessment process for two species of tiger prawns with a specification for discounted economic profits, where the harvest function in the profit equation is stock-dependent. Results for the NPF show a substantial ‘stock effect’, indicating the importance of conserving fish stocks for profitability. MEY thus occurs at a stock size that is larger than that at maximum sustainable yield, leading to a ‘win-win’ situation for both the industry (added profitability) and the environment (larger fish stocks and lower impact on the ecosystem). Sensitivity results emphasize this effect by showing that the MEY target is much more sensitive to changes in the price of prawns and the cost of fuel, and far less so to the rate of discount.
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Bibliographic InfoArticle provided by Australian Agricultural and Resource Economics Society in its journal Australian Journal of Agricultural and Resource Economics.
Volume (Year): 54 (2010)
Issue (Month): 3 (September)
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Australian Northern Prawn Fishery; bioeconomic modelling; maximum economic yield; stock conservation; Agribusiness; Production Economics;
Other versions of this item:
- Tom Kompas & Cathy M. Dichmont & André E. Punt & A. Deng & Tuong Nhu Che & Janet Bishop & Peter Gooday & Yemin Ye & S. Zhou, 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 281-299, 07.
- Tom Kompas et. al., 2008. "Maximizing Profits and Conserving Stocks in the Australian Northern Prawn Fishery," International and Development Economics Working Papers idec08-04, International and Development Economics.
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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- Tom Kompas & Tuong Nhu Che & R. Quentin Grafton, 2004.
"Technical efficiency effects of input controls: evidence from Australia's banana prawn fishery,"
Taylor & Francis Journals, vol. 36(15), pages 1631-1641.
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