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A novel method for tagging and recapturing animals in complex habitats and its use in research into stock enhancement of Trochus niloticus

Crowe, Tasman P., Dobson, Graeme T. and Lee, Chan Lui (2001). A novel method for tagging and recapturing animals in complex habitats and its use in research into stock enhancement of Trochus niloticus. Aquaculture,194(3-4):383-391.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 5 times in Scopus Article | Citations

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Title A novel method for tagging and recapturing animals in complex habitats and its use in research into stock enhancement of Trochus niloticus
Author Crowe, Tasman P.
Dobson, Graeme T.
Lee, Chan Lui
Journal Name Aquaculture
Publication Date 2001
Volume Number 194
Issue Number 3-4
ISSN 1873-5622   (check CDU catalogue  open catalogue search in new window)
Scopus ID 2-s2.0-0035869664
Start Page 383
End Page 391
Total Pages 9
Publisher Elsevier Science
HERDC Category C1 - Journal Article (DEST)
Abstract Researchers into stock enhancement, fisheries and ecology must use a range of techniques to recapture tagged animals effectively. During research into stock enhancement of Trochus niloticus L. (trochus), we used an underwater metal detector to recapture juvenile (16-25 mm) trochus tagged with metal tags. In this paper, we assess its effectiveness. Tagged animals buried up to 8 cm in complex coral reef habitats were successfully recaptured using the technique. In pilot trials, 86% of a known number of individuals were consistently recaptured from a typical reef. Folded aluminium foil tags remained attached to trochus shells and were reliably detected for a maximum of 3 months; modified tags could potentially last significantly longer and be used to identify individuals. The tags had no significant effect on the survival of juveniles. The technique is applicable to the recapture of a wide range of benthic invertebrates in complex habitats and we discuss other potential uses in aquatic research. (C) 2001 Elsevier Science B.V. All rights reserved.
Keywords Benthic
Coral reef
Invertebrate
Stock enhancement
Tag–recapture
Trochus
DOI http://dx.doi.org/10.1016/S0044-8486(00)00532-9   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
Additional Notes School of Biological Sciences, School of Science and Primary Industries
 
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