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Article: The impact of physical stress and molluscan grazing on the settlement and recruitment of Tetraclita species (Cirripedia: Balanomorpha) on a tropical shore

TitleThe impact of physical stress and molluscan grazing on the settlement and recruitment of Tetraclita species (Cirripedia: Balanomorpha) on a tropical shore
Authors
KeywordsDesiccation
Heat stress
Post-settlement mortality
Survivorship
Tetraclita japonica
Tetraclita squamosa
Vertical distribution
Issue Date2003
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jembe
Citation
Journal Of Experimental Marine Biology And Ecology, 2003, v. 284 n. 1-2, p. 1-23 How to Cite?
AbstractTetraclita japonica [Bull. U. S. Natl. Mus. 93 (1916) 241] and Tetraclita squamosa [Encycl. Method.: Hist. Natl. Vers 1 (1789) 158] are common barnacles on exposed, oceanic Hong Kong coasts, occupying the mid and lower shore, respectively. The percentage cover of the two species is moderate (< 60%) and the remaining rock space is bare or occupied by sparse patches of encrusting algae and grazing molluscs. Settlement of the two Tetraclita species occurs during the physically stressful summer over a wide vertical range, exceeding their adult upper limit. A manipulative experiment including roofs (to reduce heat stress) and fences (to exclude grazers) at two tidal levels (one in the adult T. japonica zone and the other above this zone) showed that recruits, which settled above the adult upper limit (except those under roofs), were killed by heat stress. Recruitment of the two species was also higher where grazers were excluded and where the rock surface was shaded as compared to unmanipulated areas in the adult T. japonica zone. Heat stress appears the dominant factor limiting recruit density above the barnacles' upper limit, whilst removal by grazers, combined with heat stress, controlled density within the adult zone. The vertical distribution of each species is therefore limited by post-settlement and post-recruitment mortality induced primarily by physical stress, whereas abundance within their normal heights is mediated by an interaction between heat stress and the impact of molluscan grazers. © 2002 Elsevier Science B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/73262
ISSN
2015 Impact Factor: 1.796
2015 SCImago Journal Rankings: 1.029
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChan, BKKen_HK
dc.contributor.authorWilliams, GAen_HK
dc.date.accessioned2010-09-06T06:49:39Z-
dc.date.available2010-09-06T06:49:39Z-
dc.date.issued2003en_HK
dc.identifier.citationJournal Of Experimental Marine Biology And Ecology, 2003, v. 284 n. 1-2, p. 1-23en_HK
dc.identifier.issn0022-0981en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73262-
dc.description.abstractTetraclita japonica [Bull. U. S. Natl. Mus. 93 (1916) 241] and Tetraclita squamosa [Encycl. Method.: Hist. Natl. Vers 1 (1789) 158] are common barnacles on exposed, oceanic Hong Kong coasts, occupying the mid and lower shore, respectively. The percentage cover of the two species is moderate (< 60%) and the remaining rock space is bare or occupied by sparse patches of encrusting algae and grazing molluscs. Settlement of the two Tetraclita species occurs during the physically stressful summer over a wide vertical range, exceeding their adult upper limit. A manipulative experiment including roofs (to reduce heat stress) and fences (to exclude grazers) at two tidal levels (one in the adult T. japonica zone and the other above this zone) showed that recruits, which settled above the adult upper limit (except those under roofs), were killed by heat stress. Recruitment of the two species was also higher where grazers were excluded and where the rock surface was shaded as compared to unmanipulated areas in the adult T. japonica zone. Heat stress appears the dominant factor limiting recruit density above the barnacles' upper limit, whilst removal by grazers, combined with heat stress, controlled density within the adult zone. The vertical distribution of each species is therefore limited by post-settlement and post-recruitment mortality induced primarily by physical stress, whereas abundance within their normal heights is mediated by an interaction between heat stress and the impact of molluscan grazers. © 2002 Elsevier Science B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/jembeen_HK
dc.relation.ispartofJournal of Experimental Marine Biology and Ecologyen_HK
dc.rightsJournal of Experimental Marine Biology and Ecology. Copyright © Elsevier BV.en_HK
dc.subjectDesiccationen_HK
dc.subjectHeat stressen_HK
dc.subjectPost-settlement mortalityen_HK
dc.subjectSurvivorshipen_HK
dc.subjectTetraclita japonicaen_HK
dc.subjectTetraclita squamosaen_HK
dc.subjectVertical distributionen_HK
dc.titleThe impact of physical stress and molluscan grazing on the settlement and recruitment of Tetraclita species (Cirripedia: Balanomorpha) on a tropical shoreen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0022-0981&volume=284&spage=1&epage=23&date=2003&atitle=The+impact+of+physical+stress+and+molluscan+grazing+on+the+settlement+and+recruitment+of+Tetraclita+species+(Cirripedia:+Balanomorpha)+on+a+tropical+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.doi10.1016/S0022-0981(02)00475-6en_HK
dc.identifier.scopuseid_2-s2.0-0037471575en_HK
dc.identifier.hkuros76101en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037471575&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume284en_HK
dc.identifier.issue1-2en_HK
dc.identifier.spage1en_HK
dc.identifier.epage23en_HK
dc.identifier.isiWOS:000180554000001-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridChan, BKK=7201530640en_HK
dc.identifier.scopusauthoridWilliams, GA=7406082821en_HK

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