Sumpton, W.D. and Brown, I.W. and Mayer, D.G. and McLennan, M.F. and Mapleston, A. and Butcher, A.R. and Welch, D.J. and Kirkwood, J.M. and Sawynok, B. and Begg, G.A. (2010) Assessing the effects of line capture and barotrauma relief procedures on post-release survival of key tropical reef fish species in Australia using recreational tagging clubs. Fisheries Management and Ecology, 17 (1). pp. 77-88.
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Article Link(s): http://dx.doi.org/10.1111/j.1365-2400.2009.00722.x
Publisher URL: http://www3.interscience.wiley.com
Common coral trout, Plectropomus leopardus Lacepede, crimson snapper, Lutjanus erythropterus Bloch, saddletail snapper, Lutjanus malabaricus (Bloch & Schneider), red emperor, Lutjanus sebae (Cuvier), redthroat emperor, Lethrinus miniatus (Schneider) and grass emperor, Lethrinus laticaudis Alleyne & Macleay, were tagged to determine the effects of barotrauma relief procedures (weighted shot-line release and venting using a hollow needle) and other factors on survival. Release condition was the most significant factor affecting the subsequent recapture rate of all species. Capture depth was significant in all species apart from L. malabaricus and L. miniatus, the general trend being reduced recapture probability with increasing capture depth. Recapture rates of fish hooked in either the lip or mouth were generally significantly higher than for those hooked in the throat or gut. Statistically significant benefit from treating fish for barotrauma was found in only L. malabaricus, but the lack of any negative effects of treating fish indicated that the practices of venting and shot-lining should not be discouraged by fisheries managers for these species.
|Additional Information:||© The State of Queensland, Department of Primary Industries and Fisheries. © Blackwell Publishing Ltd.|
|Keywords:||Released fish survival; shotline; tag and release; venting; Great Barrier Reef; tag-recapture data; catch-and-release; mortality; Queensland; rockfish; snapper.|
|Subjects:||Agriculture > Aquaculture and Fisheries > Aquaculture > Fish culture|
Aquaculture and Fisheries > Aquaculture > Fish culture
Agriculture > Aquaculture and Fisheries > Fisheries > Methods and gear. Catching of fish
Aquaculture and Fisheries > Fisheries > Methods and gear. Catching of fish
|Deposited On:||29 Jun 2010 05:43|
|Last Modified:||06 Sep 2010 08:14|
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