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Article: Monitoring spatio-temporal variation in molluscan grazing pressure in seasonal, tropical rock pools

TitleMonitoring spatio-temporal variation in molluscan grazing pressure in seasonal, tropical rock pools
Authors
Issue Date2006
PublisherSpringer-Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00227/index.htm
Citation
Marine Biology, 2006, v. 149 n. 5, p. 1139-1147 How to Cite?
AbstractIn Hong Kong, low-shore rock pools support a patchy mosaic of different successional stages of crustose coralline algae. Echinoid and molluscan grazers are abundant in these low-shore rock pools and spatial and temporal variation in grazing pressure is thought to play an important role in structuring these assemblages. Direct records of graze marks using a modified wax-disc method were used to monitor spatial (different pools) and temporal (periods, 3 or 4 days each; spring vs. neap tides; summer vs. winter) variations in grazing pressure. Radula marks of Chlorostoma argyrostoma, Lunella coronata and Nerita albicilla were common in all pools. Grazing pressure was highly variable with tidal state and season but also within these two factors. Lunella and Nerita exerted highest grazing pressure at neap tides during summer, whilst Chlorostoma exerted highest grazing pressure in winter. Although overall patterns of temporal variation were similar and consistent in all pools, there was between pool variation in grazing pressure and individual species showed different patterns. Within the seasonal and tidal variations, large period-to-period differences were found for all species, illustrating small-scale temporal variation. Fine-scale spatial and temporal patterns of variation in grazing pressure of different species, therefore, contribute to the highly dynamic nature of these low-shore rock pools.
Persistent Identifierhttp://hdl.handle.net/10722/73250
ISSN
2015 Impact Factor: 2.375
2015 SCImago Journal Rankings: 1.302
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWai, TCen_HK
dc.contributor.authorWilliams, GAen_HK
dc.date.accessioned2010-09-06T06:49:33Z-
dc.date.available2010-09-06T06:49:33Z-
dc.date.issued2006en_HK
dc.identifier.citationMarine Biology, 2006, v. 149 n. 5, p. 1139-1147en_HK
dc.identifier.issn0025-3162en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73250-
dc.description.abstractIn Hong Kong, low-shore rock pools support a patchy mosaic of different successional stages of crustose coralline algae. Echinoid and molluscan grazers are abundant in these low-shore rock pools and spatial and temporal variation in grazing pressure is thought to play an important role in structuring these assemblages. Direct records of graze marks using a modified wax-disc method were used to monitor spatial (different pools) and temporal (periods, 3 or 4 days each; spring vs. neap tides; summer vs. winter) variations in grazing pressure. Radula marks of Chlorostoma argyrostoma, Lunella coronata and Nerita albicilla were common in all pools. Grazing pressure was highly variable with tidal state and season but also within these two factors. Lunella and Nerita exerted highest grazing pressure at neap tides during summer, whilst Chlorostoma exerted highest grazing pressure in winter. Although overall patterns of temporal variation were similar and consistent in all pools, there was between pool variation in grazing pressure and individual species showed different patterns. Within the seasonal and tidal variations, large period-to-period differences were found for all species, illustrating small-scale temporal variation. Fine-scale spatial and temporal patterns of variation in grazing pressure of different species, therefore, contribute to the highly dynamic nature of these low-shore rock pools.-
dc.languageengen_HK
dc.publisherSpringer-Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00227/index.htmen_HK
dc.relation.ispartofMarine Biologyen_HK
dc.rightsThe original publication is available at www.springerlink.com-
dc.titleMonitoring spatio-temporal variation in molluscan grazing pressure in seasonal, tropical rock poolsen_HK
dc.typeArticleen_HK
dc.identifier.emailWai, TC: waitakcheung@hotmail.comen_HK
dc.identifier.emailWilliams, GA: hrsbwga@hkucc.hku.hken_HK
dc.identifier.authorityWai, TC=rp00797en_HK
dc.identifier.authorityWilliams, GA=rp00804en_HK
dc.identifier.doi10.1007/s00227-006-0291-7-
dc.identifier.hkuros119912en_HK
dc.identifier.volume149-
dc.identifier.issue5-
dc.identifier.spage1139-
dc.identifier.epage1147-
dc.identifier.isiWOS:000239322200014-
dc.publisher.placeGermany-

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