Reproductive periodicity of the tropical intertidal chiton Acanthopleura gemmata at One Tree Island, Great Barrier Reef, near its southern latitudinal limit

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dc.contributor.author Barbosa, S. en_US
dc.contributor.author Byrne, Maria en_US
dc.contributor.author Kelaher, Brendan en_US
dc.contributor.editor en_US
dc.date.accessioned 2010-05-28T09:49:29Z
dc.date.available 2010-05-28T09:49:29Z
dc.date.issued 2009 en_US
dc.identifier 2008007845 en_US
dc.identifier.citation Barbosa S., Byrne Maria, and Kelaher Brendan 2009, 'Reproductive periodicity of the tropical intertidal chiton Acanthopleura gemmata at One Tree Island, Great Barrier Reef, near its southern latitudinal limit', Cambridge Univ Press, vol. 89, no. 2, pp. 405-411. en_US
dc.identifier.issn 0025-3154 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/9421
dc.description.abstract Reproduction in the pantropical chiton Acanthopleura gemmata was examined at One Tree Island, Great Barrier Reef near the southern limit of its distribution, using gonad histology and gonad index (GI). Gonad growth was associated with the onset of gametogenesis in mid-spring. Fully mature gonads were present from early summer until late autumn. During these months gametes at various stages of development were present in the gonads indicating a continuous pattern Of gamete development and release over the six month spawning season. Following the maximum GI (March/April) there was a sharp drop in the index marking the end of spawning. In winter, the gonads entered a rest period and remained small in size. The reproductive pattern of A. gemmata at its southern limit is similar and 6 months out of phase to that reported for populations in the Gulf of Suez, at the northern limit of its distribution. This suggests that photoperiod may be an important factor in modulating reproduction. Reproduction of A. gemmata at One Tree Island is also similar to that for populations in the northern Great Barrier Reef. en_US
dc.language en_US
dc.publisher Cambridge Univ Press en_US
dc.relation.isbasedon http://dx.doi.org/10.1017/S0025315408002877 en_US
dc.title Reproductive periodicity of the tropical intertidal chiton Acanthopleura gemmata at One Tree Island, Great Barrier Reef, near its southern latitudinal limit en_US
dc.parent Journal of the Marine Biological Association of the... en_US
dc.journal.volume 89 en_US
dc.journal.number 2 en_US
dc.publocation New York, USA en_US
dc.identifier.startpage 405 en_US
dc.identifier.endpage 411 en_US
dc.cauo.name SCI.Faculty of Science en_US
dc.conference Verified OK en_US
dc.for 060800 en_US
dc.personcode 0000046527 en_US
dc.personcode X000039 en_US
dc.personcode 040098 en_US
dc.percentage 100 en_US
dc.classification.name Zoology en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity ISI:000265420100023 en_US
dc.description.keywords reproductive periodicity; GBR; One Tree Island; Coral reefs; Acanthopleura; chitons en_US
dc.staffid 040098 en_US


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