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Conference Paper: Cyanobacteria-dominated biofilms: A high quality food resource for intertidal grazers

TitleCyanobacteria-dominated biofilms: A high quality food resource for intertidal grazers
Authors
KeywordsBiofilm
Calorific value
Carbohydrate
Cyanobacteria
Nutritional value
Protein
Tropical rocky shore
Issue Date2004
PublisherSpringer Verlag Dordrecht. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0018-8158
Citation
Hydrobiologia, v. 512, p. 89-95 How to Cite?
AbstractHong Kong rocky shores are dominated by cyanobacterial biofilms composed of a diversity of species. Thirteen common species, belonging to seven genera, were isolated in pure culture in MN+ and MN- media under defined growth conditions from a semi-exposed shore in Hong Kong. The nutritional values (i.e., protein, carbohydrate and calorific value) of these 13 species were determined. All species showed high nutritional quality in terms of protein, carbohydrate and calorific value, however, overall nutritional value varied between the species. Species of Spirulina and Phormidium were most nutritious (highest nutritional values) whereas species of Calothrix and Lyngbya were the least nutritious. Microphagous molluscan grazer density and diversity were relatively high at the study site, despite the seemingly low biomass (as assessed by chlorophyll a concentration) of the biofilm. It is suggested that the high nutritional quality of cyanobacteria, together with their fast turnover rates can support high levels of secondary production (biomass of grazers). The high nutritional quality of cyanobacteria on tropical, cyanobacteria-dominated, rocky shores is therefore of great importance in the benthic food web.
Persistent Identifierhttp://hdl.handle.net/10722/112014
ISSN
2015 Impact Factor: 2.051
2015 SCImago Journal Rankings: 1.043
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorNagarkar, Sen_HK
dc.contributor.authorWilliams, GAen_HK
dc.contributor.authorSubramanian, Gen_HK
dc.contributor.authorSaha, SKen_HK
dc.date.accessioned2010-09-26T03:13:51Z-
dc.date.available2010-09-26T03:13:51Z-
dc.date.issued2004en_HK
dc.identifier.citationHydrobiologia, v. 512, p. 89-95en_HK
dc.identifier.issn0018-8158en_HK
dc.identifier.urihttp://hdl.handle.net/10722/112014-
dc.description.abstractHong Kong rocky shores are dominated by cyanobacterial biofilms composed of a diversity of species. Thirteen common species, belonging to seven genera, were isolated in pure culture in MN+ and MN- media under defined growth conditions from a semi-exposed shore in Hong Kong. The nutritional values (i.e., protein, carbohydrate and calorific value) of these 13 species were determined. All species showed high nutritional quality in terms of protein, carbohydrate and calorific value, however, overall nutritional value varied between the species. Species of Spirulina and Phormidium were most nutritious (highest nutritional values) whereas species of Calothrix and Lyngbya were the least nutritious. Microphagous molluscan grazer density and diversity were relatively high at the study site, despite the seemingly low biomass (as assessed by chlorophyll a concentration) of the biofilm. It is suggested that the high nutritional quality of cyanobacteria, together with their fast turnover rates can support high levels of secondary production (biomass of grazers). The high nutritional quality of cyanobacteria on tropical, cyanobacteria-dominated, rocky shores is therefore of great importance in the benthic food web.en_HK
dc.languageengen_HK
dc.publisherSpringer Verlag Dordrecht. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0018-8158en_HK
dc.relation.ispartofHydrobiologiaen_HK
dc.subjectBiofilmen_HK
dc.subjectCalorific valueen_HK
dc.subjectCarbohydrateen_HK
dc.subjectCyanobacteriaen_HK
dc.subjectNutritional valueen_HK
dc.subjectProteinen_HK
dc.subjectTropical rocky shoreen_HK
dc.titleCyanobacteria-dominated biofilms: A high quality food resource for intertidal grazersen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0018-8158&volume=512&spage=89&epage=95&date=2004&atitle=Cyanobacteria-dominated+biofilms:+a+high+quality+food+resource+for+intertidal+grazersen_HK
dc.identifier.emailWilliams, GA: hrsbwga@hkucc.hku.hken_HK
dc.identifier.authorityWilliams, GA=rp00804en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1023/B:HYDR.0000020313.09924.c1en_HK
dc.identifier.scopuseid_2-s2.0-1842586182en_HK
dc.identifier.hkuros86217en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-1842586182&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume512en_HK
dc.identifier.spage89en_HK
dc.identifier.epage95en_HK
dc.identifier.isiWOS:000220784100013-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridNagarkar, S=6602572935en_HK
dc.identifier.scopusauthoridWilliams, GA=7406082821en_HK
dc.identifier.scopusauthoridSubramanian, G=7103332184en_HK
dc.identifier.scopusauthoridSaha, SK=8066444900en_HK

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