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Article: The effect of salinity and recruitment on the distribution of Tetraclita squamosa and Tetraclita japonica (Cirripedia; Balanomorpha) in Hong Kong

TitleThe effect of salinity and recruitment on the distribution of Tetraclita squamosa and Tetraclita japonica (Cirripedia; Balanomorpha) in Hong Kong
Authors
Issue Date2001
PublisherSpringer Verlag. The Journal's web site is located at http://link.springer.de/link/service/journals/00227/index.htm
Citation
Marine Biology, 2001, v. 138 n. 5, p. 999-1009 How to Cite?
AbstractThe barnacles, Tetraclita squamosa and Tetraclita japonica, exhibit different vertical and horizontal distributions along the salinity gradient from the east to west coast of Hong Kong. On the oceanic east coast, T. japonica was common higher on the shore [1.25-2 m above chart datum (C.D.)] than T. squamosa (1-1.25 m above C.D.), whereas on the estuarine west coast, only T. squamosa was found. Annual recruitment of both species occurred on the east coast but no recruitment was recorded on the west coast for 2 years, suggesting that west coast populations of T. squamosa are relics of stochastic, past recruitment, and may decline without further recruitment. Under laboratory conditions, the two species do not vary in their salinity tolerance or osmoregulation. Adults of both species ceased activity when salinity dropped to 10‰ (= mean summer salinity on west coast). The LC50 of larvae was between 14-16‰ and 100% of naupliar larvae died when salinity was 9‰, showing that the low summer salinities on the west coast may have an impact on some stages of the barnacles' life histories. The east-west distribution and population structure of these two species appear, therefore, to be dependent on the intensity and frequency of past settlement which may be affected by salinity stress.
Persistent Identifierhttp://hdl.handle.net/10722/73362
ISSN
2015 Impact Factor: 2.375
2015 SCImago Journal Rankings: 1.302
References

 

DC FieldValueLanguage
dc.contributor.authorChan, BKKen_HK
dc.contributor.authorMorritt, Den_HK
dc.contributor.authorWilliams, GAen_HK
dc.date.accessioned2010-09-06T06:50:34Z-
dc.date.available2010-09-06T06:50:34Z-
dc.date.issued2001en_HK
dc.identifier.citationMarine Biology, 2001, v. 138 n. 5, p. 999-1009en_HK
dc.identifier.issn0025-3162en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73362-
dc.description.abstractThe barnacles, Tetraclita squamosa and Tetraclita japonica, exhibit different vertical and horizontal distributions along the salinity gradient from the east to west coast of Hong Kong. On the oceanic east coast, T. japonica was common higher on the shore [1.25-2 m above chart datum (C.D.)] than T. squamosa (1-1.25 m above C.D.), whereas on the estuarine west coast, only T. squamosa was found. Annual recruitment of both species occurred on the east coast but no recruitment was recorded on the west coast for 2 years, suggesting that west coast populations of T. squamosa are relics of stochastic, past recruitment, and may decline without further recruitment. Under laboratory conditions, the two species do not vary in their salinity tolerance or osmoregulation. Adults of both species ceased activity when salinity dropped to 10‰ (= mean summer salinity on west coast). The LC50 of larvae was between 14-16‰ and 100% of naupliar larvae died when salinity was 9‰, showing that the low summer salinities on the west coast may have an impact on some stages of the barnacles' life histories. The east-west distribution and population structure of these two species appear, therefore, to be dependent on the intensity and frequency of past settlement which may be affected by salinity stress.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.titleThe effect of salinity and recruitment on the distribution of Tetraclita squamosa and Tetraclita japonica (Cirripedia; Balanomorpha) in Hong Kongen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0025-3162&volume=138&spage=999&epage=1009&date=2001&atitle=The+effect+of+salinity+and+recruitment+on+the+distribution+of+Tetraclita+squamosa+and+Tetraclita+japonica+(Cirripedia;+Balanomorpha)+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.doi10.1007/s002270000531en_HK
dc.identifier.scopuseid_2-s2.0-0034980277en_HK
dc.identifier.hkuros58806en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034980277&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume138en_HK
dc.identifier.issue5en_HK
dc.identifier.spage999en_HK
dc.identifier.epage1009en_HK
dc.publisher.placeGermanyen_HK
dc.identifier.scopusauthoridChan, BKK=7201530640en_HK
dc.identifier.scopusauthoridMorritt, D=7003560499en_HK
dc.identifier.scopusauthoridWilliams, GA=7406082821en_HK

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