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Growth rate of adult rock lobsters Jasus edwardsii increased through translocation


Chandrapavan, A and Gardner, C and Green, BS, Growth rate of adult rock lobsters Jasus edwardsii increased through translocation, Fisheries Research , 105, (3) pp. 244-247. ISSN 0165-7836 (2010) [Refereed Article]

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DOI: doi:10.1016/j.fishres.2010.03.014


Growth rates of southern rock lobster, Jasus edwardsii, decrease from north to south of Tasmania and also decrease with depth. Slow-growing lobsters from deep-water regions were translocated to shallowwater, inshore areas to examine the potential of translocation to increase yield for the Tasmanian rock lobster industry. Within their first moult, translocated lobsters increased their growth rates, exceeding that of resident deep-water lobsters from the original site. Growth of translocated females increased to the extent that it exceeded resident shallow-water females in the first year post-release. The increased growth rate of deep-water southern rock lobsters after translocation and the magnitude of the growth increments achieved in a short period highlight the plasticity in growth of this species. Growth, and therefore size-at-age, are potentially determined by density effects, food availability or other unidentified environmental factors. Rapid increases in lobster growth achieved through translocation suggest that translocation could be applied to increase the productivity of the fishery.

Item Details

Item Type:Refereed Article
Keywords:Spatial management; Growth; Translocation; Jasus edwardsii; Tasmanian rock lobster fishery
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Fisheries sciences
Research Field:Fisheries management
Objective Division:Animal Production and Animal Primary Products
Objective Group:Fisheries - wild caught
Objective Field:Wild caught prawns
UTAS Author:Chandrapavan, A (Miss Arani Chandrapavan)
UTAS Author:Gardner, C (Professor Caleb Gardner)
UTAS Author:Green, BS (Associate Professor Bridget Green)
ID Code:66024
Year Published:2010
Web of Science® Times Cited:23
Deposited By:TAFI - Marine Research Laboratory
Deposited On:2010-12-15
Last Modified:2011-03-22
Downloads:2 View Download Statistics

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