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Using catch rate data for simple cost-effective quota setting in the Australian spanner crab (Ranina ranina) fishery.

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O'Neill, M.F., Campbell, A.B., Brown, I.W. and Johnstone, R. (2010) Using catch rate data for simple cost-effective quota setting in the Australian spanner crab (Ranina ranina) fishery. Ices Journal of Marine Science, 67 (8). pp. 1538-1552.

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Article Link: http://dx.doi.org/10.1093/icesjms/fsq095

Publisher URL: http://www.oxfordjournals.org/


For many fisheries, there is a need to develop appropriate indicators, methodologies, and rules for sustainably harvesting marine resources. Complexities of scientific and financial factors often prevent addressing these, but new methodologies offer significant improvements on current and historical approaches. The Australian spanner crab fishery is used to demonstrate this. Between 1999 and 2006, an empirical management procedure using linear regression of fishery catch rates was used to set the annual total allowable catch (quota). A 6-year increasing trend in catch rates revealed shortcomings in the methodology, with a 68% increase in quota calculated for the 2007 fishing year. This large quota increase was prevented by management decision rules. A revised empirical management procedure was developed subsequently, and it achieved a better balance between responsiveness and stability. Simulations identified precautionary harvest and catch rate baselines to set quotas that ensured sustainable crab biomass and favourable performance for management and industry. The management procedure was simple to follow, cost-effective, robust to strong trends and changes in catch rates, and adaptable for use in many fisheries. Application of such “tried-and-tested” empirical systems will allow improved management of both data-limited and data-rich fisheries.

Item Type:Article
Corporate Creators:DEEDI
Additional Information:© International Council for the Exploration of the Sea.
Keywords:Catch rate standardization; harvest control rule; management procedure; management strategy evaluation; spanner crab; northern prawn fishery; management strategy evaluation; harvest strategies; trawl fishery; implementation; uncertainty; performance; abundance; economics.
Subjects:Aquaculture and Fisheries > Fisheries > Economic aspects. Finance
Agriculture > Agriculture (General) > Agriculture and the environment
Aquaculture and Fisheries > Fisheries > Fishery management. Fishery policy
Live Archive:01 Mar 2011 03:13
Last Modified:03 Sep 2021 16:48

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