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Article: Distribution of algae on tropical rocky shores: Spatial and temporal patterns of non-coralline encrusting algae in Hong Kong

TitleDistribution of algae on tropical rocky shores: Spatial and temporal patterns of non-coralline encrusting algae in Hong Kong
Authors
Issue Date1996
PublisherSpringer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00227/index.htm
Citation
Marine Biology, 1996, v. 125 n. 1, p. 177-187 How to Cite?
AbstractEncrusting algae have been described as dominant space occupying species on rocky shores around the world. Despite their abundance, however, most studies classify species trader generic names (e.g. Ralfsia sp.) or as a functional group (e.g. encrusting algae), thereby underestimating the number of species present and their ecological importance. Studies on six rocky shores of varying exposure, in Hong Kong, recorded eight common species of encrusting algae. The greatest abundance of encrusting algae was recorded on shores of intermediate exposure, where four distinct zonation bands could be identified: a cyanobacterial 'Kyrtuthrix-Zone' in the upper midlittoral, a 'Bare-Zone' below this, a 'Mixed-Zone' in the lower midlittoral and a 'Coralline-Zone' in the infralittoral fringe. Abundance declined on shores of greater and lower exposure to wave action, where bivalves and barnacles were competitively dominant. Certain species were found in greater abundance on exposed shores (e.g. Dermocarpa sp. and Hildenbrandia occidentalis), while others preferred more sheltered shores (e.g. Hildenbrandia prototypus and Kyrtuthrix maculans). With the exception of some cyanobacterial crusts, the abundance of encrusting algae was always greatest towards the low shore, an area of decreased physical stress and increased herbivore density. Zonation patterns showed seasonal variation associated with the monsoonal climate of Hong Kong. Most species increased in abundance during the cool season, while during the summer months the cover and vertical extent of encrusting algae decreased in relation to summer temperatures, although K. maculans increased in abundance during the summer. On Hong Kong shores, encrusting algae have a high species richness and exhibit within-functional group spatial and temporal variation which is mediated by herbivory and seasonal, physical stresses.
Persistent Identifierhttp://hdl.handle.net/10722/73440
ISSN
2015 Impact Factor: 2.375
2015 SCImago Journal Rankings: 1.302
References

 

DC FieldValueLanguage
dc.contributor.authorKaehler, Sen_HK
dc.contributor.authorWilliams, GAen_HK
dc.date.accessioned2010-09-06T06:51:17Z-
dc.date.available2010-09-06T06:51:17Z-
dc.date.issued1996en_HK
dc.identifier.citationMarine Biology, 1996, v. 125 n. 1, p. 177-187en_HK
dc.identifier.issn0025-3162en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73440-
dc.description.abstractEncrusting algae have been described as dominant space occupying species on rocky shores around the world. Despite their abundance, however, most studies classify species trader generic names (e.g. Ralfsia sp.) or as a functional group (e.g. encrusting algae), thereby underestimating the number of species present and their ecological importance. Studies on six rocky shores of varying exposure, in Hong Kong, recorded eight common species of encrusting algae. The greatest abundance of encrusting algae was recorded on shores of intermediate exposure, where four distinct zonation bands could be identified: a cyanobacterial 'Kyrtuthrix-Zone' in the upper midlittoral, a 'Bare-Zone' below this, a 'Mixed-Zone' in the lower midlittoral and a 'Coralline-Zone' in the infralittoral fringe. Abundance declined on shores of greater and lower exposure to wave action, where bivalves and barnacles were competitively dominant. Certain species were found in greater abundance on exposed shores (e.g. Dermocarpa sp. and Hildenbrandia occidentalis), while others preferred more sheltered shores (e.g. Hildenbrandia prototypus and Kyrtuthrix maculans). With the exception of some cyanobacterial crusts, the abundance of encrusting algae was always greatest towards the low shore, an area of decreased physical stress and increased herbivore density. Zonation patterns showed seasonal variation associated with the monsoonal climate of Hong Kong. Most species increased in abundance during the cool season, while during the summer months the cover and vertical extent of encrusting algae decreased in relation to summer temperatures, although K. maculans increased in abundance during the summer. On Hong Kong shores, encrusting algae have a high species richness and exhibit within-functional group spatial and temporal variation which is mediated by herbivory and seasonal, physical stresses.en_HK
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.titleDistribution of algae on tropical rocky shores: Spatial and temporal patterns of non-coralline encrusting algae in Hong Kongen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0025-3162&volume=125&spage=177&epage=187&date=1996&atitle=Distribution+of+algae+on+tropical+rocky+shores:+spatial+and+temporal+patterns+of+non-coralline+encrusting+algae+in+Hong+Kongen_HK
dc.identifier.emailWilliams, GA: hrsbwga@hkucc.hku.hken_HK
dc.identifier.authorityWilliams, GA=rp00804en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0029669756en_HK
dc.identifier.hkuros13742en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0029669756&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume125en_HK
dc.identifier.issue1en_HK
dc.identifier.spage177en_HK
dc.identifier.epage187en_HK
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridKaehler, S=7004262046en_HK
dc.identifier.scopusauthoridWilliams, GA=7406082821en_HK

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