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Article: The effects of epiphytic algae and their grazers on the intertidal seagrass Zostera japonica

TitleThe effects of epiphytic algae and their grazers on the intertidal seagrass Zostera japonica
Authors
KeywordsCaging experiment
Clithon
Epiphytes
Grazing
Zostera japonica
Issue Date2000
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/aquabot
Citation
Aquatic Botany, 2000, v. 67 n. 4, p. 251-261 How to Cite?
AbstractThe impact of the dominant grazers (Clithon spp.) of epiphytic algae on the biomass and percentage cover of a population of the intertidal seagrass Zostera japonica was investigated at Lai Chi Wo, northeast Hong Kong. The population density of Clithon spp. followed a seasonal pattern, varying between <1400 in summer to >2800 individuals m-2 in winter. High population densities of the gastropods were temporally correlated with high biomass of epiphytic algae on the surface of Z. japonica. An exclusion experiment using full, half and open fences to manipulate the density of Clithon spp. resulted in significant differences in the biomass of the epiphytes between the full fences and the other two treatments after 47 days. The percentage cover of Z. japonica also decreased significantly in the full fence treatment after 120 days, as a result of increased sloughing of leaves. These results suggest that epiphytic algae and their grazers play an important role in the growth and survival of Z. japonica, and such interactions should be considered in the conservation of the species. (C) 2000 Elsevier Science B.V.
Persistent Identifierhttp://hdl.handle.net/10722/92799
ISSN
2015 Impact Factor: 1.846
2015 SCImago Journal Rankings: 0.855
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFong, CWen_HK
dc.contributor.authorLee, SYen_HK
dc.contributor.authorWu, RSSen_HK
dc.date.accessioned2010-09-17T10:57:30Z-
dc.date.available2010-09-17T10:57:30Z-
dc.date.issued2000en_HK
dc.identifier.citationAquatic Botany, 2000, v. 67 n. 4, p. 251-261en_HK
dc.identifier.issn0304-3770en_HK
dc.identifier.urihttp://hdl.handle.net/10722/92799-
dc.description.abstractThe impact of the dominant grazers (Clithon spp.) of epiphytic algae on the biomass and percentage cover of a population of the intertidal seagrass Zostera japonica was investigated at Lai Chi Wo, northeast Hong Kong. The population density of Clithon spp. followed a seasonal pattern, varying between <1400 in summer to >2800 individuals m-2 in winter. High population densities of the gastropods were temporally correlated with high biomass of epiphytic algae on the surface of Z. japonica. An exclusion experiment using full, half and open fences to manipulate the density of Clithon spp. resulted in significant differences in the biomass of the epiphytes between the full fences and the other two treatments after 47 days. The percentage cover of Z. japonica also decreased significantly in the full fence treatment after 120 days, as a result of increased sloughing of leaves. These results suggest that epiphytic algae and their grazers play an important role in the growth and survival of Z. japonica, and such interactions should be considered in the conservation of the species. (C) 2000 Elsevier Science B.V.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/aquaboten_HK
dc.relation.ispartofAquatic Botanyen_HK
dc.subjectCaging experimenten_HK
dc.subjectClithonen_HK
dc.subjectEpiphytesen_HK
dc.subjectGrazingen_HK
dc.subjectZostera japonicaen_HK
dc.titleThe effects of epiphytic algae and their grazers on the intertidal seagrass Zostera japonicaen_HK
dc.typeArticleen_HK
dc.identifier.emailWu, RSS: rudolfwu@hku.hken_HK
dc.identifier.authorityWu, RSS=rp01398en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0304-3770(00)00101-7en_HK
dc.identifier.scopuseid_2-s2.0-0343526416en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0343526416&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume67en_HK
dc.identifier.issue4en_HK
dc.identifier.spage251en_HK
dc.identifier.epage261en_HK
dc.identifier.isiWOS:000088178600001-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridFong, CW=7102179117en_HK
dc.identifier.scopusauthoridLee, SY=7601400578en_HK
dc.identifier.scopusauthoridWu, RSS=7402945079en_HK
dc.identifier.citeulike10400462-

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