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Bio-economics of commercial scale translocation of southern rock lobster


Gardner, C and Hartmann, K and Punt, AE and Jennings, S and Green, B, Bio-economics of commercial scale translocation of southern rock lobster, Fisheries Research, 162 pp. 29-36. ISSN 0165-7836 (2015) [Refereed Article]

Copyright Statement

Copyright 2014 Elsevier

DOI: doi:10.1016/j.fishres.2014.09.015


Moving animals between locations to increase production is routine in terrestrial systems but has rarely been attempted in marine systems. Data on the biological impacts of translocating lobsters, Jasus edwardsii, from regions around Tasmania Australia with high density but slow growth to faster growth areas have been collected over 10 years documenting increases in growth, yield and value. We used a bioeconomic model to evaluate the benefits and costs of improving yield per recruit from commercial scale operations. Simulations were based on commercial scale operations, which move 100,000 lobsters per year within the range of natural larval dispersal. Translocation was combined with a catch quota and fishers could harvest both translocated and resident lobsters. Improvement in total biomass and egg production was comparable to what would otherwise require a 4.5% reduction in catch. Catch rates increased due to higher density, thus reducing fishing costs. This led to higher future rents, with the estimated NPV (i = 7.5%) of the fishery increasing by 7.4%. Commercial scale translocations have been adopted on the basis of our results and are now funded and managed by the commercial industry.

Item Details

Item Type:Refereed Article
Keywords:translocation, enhancement, Jasus edwardsii
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Fisheries sciences
Research Field:Aquaculture and fisheries stock assessment
Objective Division:Animal Production and Animal Primary Products
Objective Group:Fisheries - wild caught
Objective Field:Wild caught crustaceans (excl. rock lobster and prawns)
UTAS Author:Gardner, C (Professor Caleb Gardner)
UTAS Author:Hartmann, K (Dr Klaas Hartmann)
UTAS Author:Jennings, S (Dr Sarah Jennings)
UTAS Author:Green, B (Associate Professor Bridget Green)
ID Code:96122
Year Published:2015 (online first 2014)
Web of Science® Times Cited:7
Deposited By:Sustainable Marine Research Collaboration
Deposited On:2014-10-20
Last Modified:2017-11-04

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