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Gulf of Carpentaria Developmental Finfish Trawl Fishery : Maximum Sustainable Yield

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Leigh, G.M. and O'Neill, M.F. (2016) Gulf of Carpentaria Developmental Finfish Trawl Fishery : Maximum Sustainable Yield. Technical Report. Department of Agriculture and Fisheries, Queensland.

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Abstract

The Gulf of Carpentaria Finfish Trawl Fishery operates under developmental permits and harvests five main tropical snapper species. The fishery operates in eastern Gulf of Carpentaria waters and is managed by Fisheries Queensland on behalf of the Queensland Fishery Joint Authority. For the years 2004–2014, the fishery Total Allowable Commercial Catch (TACC) was fixed at 1250 t and substantially under-filled. In 2011 new stock analyses were published for the fishery. Results were presented to industry including the estimated equilibrium maximum sustainable yield (MSY) of 450 t for east Gulf of Carpentaria waters. The MSY value represented the maximum average combined species harvest that can be taken long-term; combining MSY harvests of the five main species. For the 2015 calendar year, a revised 450 t harvest quota was set for Crimson Snapper, Saddletail Snapper, Red Emperor and other Emperor species; plus a tonnage allowance for other permitted species. The revised quota tonnage represented a considerable reduction from the 1250 t set in previous years. Industry raised questions about not understanding how the MSY was arrived at and why it was less than early 1990s yield estimates. The purpose of this report is to explain the MSY estimates for east Gulf of Carpentaria waters. The 450 t MSY represents at present the best estimate available and is consistent with pre-2011 estimates.

Item Type:Monograph (Technical Report)
Business groups:Animal Science
Subjects:Aquaculture and Fisheries > Fisheries > Fishery conservation
Aquaculture and Fisheries > Fisheries > Fishery management. Fishery policy
Aquaculture and Fisheries > Fisheries > Fishery research
Aquaculture and Fisheries > Fisheries > Fishery for individual species
Live Archive:30 May 2016 00:48
Last Modified:03 Sep 2021 16:50

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