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Article: Variation in abundance and distribution of the chiton Acanthopleura japonica and associated molluscs on a seasonal, tropical, rocky shore

TitleVariation in abundance and distribution of the chiton Acanthopleura japonica and associated molluscs on a seasonal, tropical, rocky shore
Authors
KeywordsAcanthopleura japonica
Chiton
Desiccation stress
Seasonal variation
Tropical shore
Zonation
Issue Date2001
PublisherBlackwell Publishing Ltd.
Citation
Journal Of Zoology, 2001, v. 253 n. 3, p. 293-300 How to Cite?
AbstractTemporal and spatial distribution of the chiton Acanthopleura japonica and associated molluscs were recorded on a semi-exposed tropical rocky shore in Hong Kong over 24 months. Most molluscs showed a clear vertical distribution pattern which varied with season. Many mobile gastropods, e.g. Monodonta labio, Cellana toreuma, Nerita albicilla and Thais clavigera, were found lower on the shore in summer (June-September), presumably as a response to the hot, desiccating conditions, but extended their range during winter (December-March). Acanthopleura, was distributed throughout the eulittoral and did not show such strong seasonal patterns, possibly due to the ability to use spatial refuges (specifically crevices) as a result of its flexible body-plan. Chitons exposed on horizontal rocks lost more body water during periods of emersion as compared to those in vertical or crevice habitats and, in summer, all animals on horizontal surfaces died. It is suggested that A. japonica uses cracks and crevices, which are not available to hard-shelled molluscs, throughout the year to reduce the impact of heat and desiccation stress during periods of emersion. This ability may explain the slight seasonal changes seen in Acanthopleura as compared to other species, and the dominance of chitons as herbivores on tropical shores.
Persistent Identifierhttp://hdl.handle.net/10722/73318
ISSN
2015 Impact Factor: 1.819
2015 SCImago Journal Rankings: 1.032
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHarper, KDen_HK
dc.contributor.authorWilliams, GAen_HK
dc.date.accessioned2010-09-06T06:50:10Z-
dc.date.available2010-09-06T06:50:10Z-
dc.date.issued2001en_HK
dc.identifier.citationJournal Of Zoology, 2001, v. 253 n. 3, p. 293-300en_HK
dc.identifier.issn0952-8369en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73318-
dc.description.abstractTemporal and spatial distribution of the chiton Acanthopleura japonica and associated molluscs were recorded on a semi-exposed tropical rocky shore in Hong Kong over 24 months. Most molluscs showed a clear vertical distribution pattern which varied with season. Many mobile gastropods, e.g. Monodonta labio, Cellana toreuma, Nerita albicilla and Thais clavigera, were found lower on the shore in summer (June-September), presumably as a response to the hot, desiccating conditions, but extended their range during winter (December-March). Acanthopleura, was distributed throughout the eulittoral and did not show such strong seasonal patterns, possibly due to the ability to use spatial refuges (specifically crevices) as a result of its flexible body-plan. Chitons exposed on horizontal rocks lost more body water during periods of emersion as compared to those in vertical or crevice habitats and, in summer, all animals on horizontal surfaces died. It is suggested that A. japonica uses cracks and crevices, which are not available to hard-shelled molluscs, throughout the year to reduce the impact of heat and desiccation stress during periods of emersion. This ability may explain the slight seasonal changes seen in Acanthopleura as compared to other species, and the dominance of chitons as herbivores on tropical shores.en_HK
dc.languageengen_HK
dc.publisherBlackwell Publishing Ltd.en_HK
dc.relation.ispartofJournal of Zoologyen_HK
dc.rightsJournal of Zoology. Copyright © Blackwell Publishing Ltd.en_HK
dc.subjectAcanthopleura japonicaen_HK
dc.subjectChitonen_HK
dc.subjectDesiccation stressen_HK
dc.subjectSeasonal variationen_HK
dc.subjectTropical shoreen_HK
dc.subjectZonationen_HK
dc.titleVariation in abundance and distribution of the chiton Acanthopleura japonica and associated molluscs on a seasonal, tropical, rocky shoreen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0952-8369&volume=253&spage=293&epage=300&date=2001&atitle=Variation+in+abundance+and+distribution+of+the+chiton+Acanthopleura+japonica+and+associated+molluscs+on+a+seasonal,+tropical,+rocky+shoreen_HK
dc.identifier.emailWilliams, GA: hrsbwga@hkucc.hku.hken_HK
dc.identifier.authorityWilliams, GA=rp00804en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1017/S0952836901000279en_HK
dc.identifier.scopuseid_2-s2.0-0035099498en_HK
dc.identifier.hkuros56733en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035099498&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume253en_HK
dc.identifier.issue3en_HK
dc.identifier.spage293en_HK
dc.identifier.epage300en_HK
dc.identifier.isiWOS:000168349100002-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridHarper, KD=7007159328en_HK
dc.identifier.scopusauthoridWilliams, GA=7406082821en_HK

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