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Article: Effect of grazing on coralline algae in seasonal, tropical, low-shore rock pools: Spatio-temporal variation in settlement and persistence

TitleEffect of grazing on coralline algae in seasonal, tropical, low-shore rock pools: Spatio-temporal variation in settlement and persistence
Authors
KeywordsCrustose coralline algae
Herbivory
Persistence
Settlement
Spatial and temporal variation
Summer heat stress
Issue Date2006
PublisherInter-Research. The Journal's web site is located at http://www.int-res.com/journals/meps/index.html
Citation
Marine Ecology Progress Series, 2006, v. 326, p. 99-113 How to Cite?
AbstractLow-shore rock pools in Hong Kong are dominated by crustose coralline algae (CCA) all year round. Experiments manipulating grazer access to new surfaces and those with established CCA were used to investigate the spatial and temporal effects of grazers on establishment and persistence of CCA. During establishment, CCA were always the first macroalgae to recruit to new surfaces. Predictable algal colonization patterns were observed, although the extent and timing varied spatially (between pools) and temporally (with season and year). Grazing was the primary factor controlling the dominance of the CCA in low-shore rock pools, and seasonal differences in algal composition were only pronounced in the absence of grazers. On new surfaces, where grazers were excluded, the settling CCA were overgrown by competitively superior brown crustose algae (Ralfsia spp.) in summer and by non-crustose macroalgae (Ulva spp., Enteromorpha compressa, Hincksia mitchelliae and/or Colpomenia sinuosa) in winter. On CCA-colonized surfaces, E. compresa was, however, the dominant macroalga in winter in the absence of grazers. As a result of thermal stress in summer, the established CCA were commonly bleached, and new patches of bare surface were subsequently released. Such physical disturbance, hence, re-initiated colonization processes. The rapid re-colonization of CCA on new surfaces by lateral growth and new settlement suggests that CCA are resilient in nature, which results in them being the dominant macroalgae in the low-shore rock pools, all year round, in the presence of grazers. © Inter-Research 2006.
Persistent Identifierhttp://hdl.handle.net/10722/73151
ISSN
2015 Impact Factor: 2.361
2015 SCImago Journal Rankings: 1.554
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWai, TCen_HK
dc.contributor.authorWilliams, GAen_HK
dc.date.accessioned2010-09-06T06:48:38Z-
dc.date.available2010-09-06T06:48:38Z-
dc.date.issued2006en_HK
dc.identifier.citationMarine Ecology Progress Series, 2006, v. 326, p. 99-113en_HK
dc.identifier.issn0171-8630en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73151-
dc.description.abstractLow-shore rock pools in Hong Kong are dominated by crustose coralline algae (CCA) all year round. Experiments manipulating grazer access to new surfaces and those with established CCA were used to investigate the spatial and temporal effects of grazers on establishment and persistence of CCA. During establishment, CCA were always the first macroalgae to recruit to new surfaces. Predictable algal colonization patterns were observed, although the extent and timing varied spatially (between pools) and temporally (with season and year). Grazing was the primary factor controlling the dominance of the CCA in low-shore rock pools, and seasonal differences in algal composition were only pronounced in the absence of grazers. On new surfaces, where grazers were excluded, the settling CCA were overgrown by competitively superior brown crustose algae (Ralfsia spp.) in summer and by non-crustose macroalgae (Ulva spp., Enteromorpha compressa, Hincksia mitchelliae and/or Colpomenia sinuosa) in winter. On CCA-colonized surfaces, E. compresa was, however, the dominant macroalga in winter in the absence of grazers. As a result of thermal stress in summer, the established CCA were commonly bleached, and new patches of bare surface were subsequently released. Such physical disturbance, hence, re-initiated colonization processes. The rapid re-colonization of CCA on new surfaces by lateral growth and new settlement suggests that CCA are resilient in nature, which results in them being the dominant macroalgae in the low-shore rock pools, all year round, in the presence of grazers. © Inter-Research 2006.en_HK
dc.languageengen_HK
dc.publisherInter-Research. The Journal's web site is located at http://www.int-res.com/journals/meps/index.htmlen_HK
dc.relation.ispartofMarine Ecology Progress Seriesen_HK
dc.rightsMarine Ecology - Progress Series. Copyright © Inter-Research.en_HK
dc.subjectCrustose coralline algaeen_HK
dc.subjectHerbivoryen_HK
dc.subjectPersistenceen_HK
dc.subjectSettlementen_HK
dc.subjectSpatial and temporal variationen_HK
dc.subjectSummer heat stressen_HK
dc.titleEffect of grazing on coralline algae in seasonal, tropical, low-shore rock pools: Spatio-temporal variation in settlement and persistenceen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0171-8630&volume=326&spage=99&epage=113&date=2006&atitle=Effect+of+grazing+on+coralline+algae+in+seasonal,+tropical,+low-shore+rock+pools:+spatio-temporal+variation+in+settlement+and+persistenceen_HK
dc.identifier.emailWai, TC: waitc@hkucc.hku.hken_HK
dc.identifier.emailWilliams, GA: hrsbwga@hkucc.hku.hken_HK
dc.identifier.authorityWai, TC=rp00797en_HK
dc.identifier.authorityWilliams, GA=rp00804en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.3354/meps326099en_HK
dc.identifier.scopuseid_2-s2.0-33845908504en_HK
dc.identifier.hkuros125939en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33845908504&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume326en_HK
dc.identifier.spage99en_HK
dc.identifier.epage113en_HK
dc.identifier.isiWOS:000243104300009-
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridWai, TC=15039017100en_HK
dc.identifier.scopusauthoridWilliams, GA=7406082821en_HK

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