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Article: Implications of Paralia sulcata abundance in Scottish isolation basins

TitleImplications of Paralia sulcata abundance in Scottish isolation basins
Authors
Issue Date1997
Citation
Diatom Research, 1997, v. 12 n. 1, p. 125-150 How to Cite?
AbstractDiatom assemblages from eight basins of northwest Scotland, isolated from the sea during the Late Devensian and Holocene, show Paralia sulcata abundant towards the ingression and isolation contacts of the sedimentary sequences. Across the contacts, Paralia sulcata is commonly replaced by, or associated with, salt-tolerant freshwater species, in particular Fragilaria spp. Such a Paralia sulcata-Fragilaria spp. transition indicates a gradual reduction in marine influence and highly fluctuating water salinities. Optimal growth of Paralia sulcata occurred as a result of the favoured conditions in isolation basins, under which many other marine and brackish taxa were disadvantaged. Notwithstanding the typical transition, there are other smaller variations in the diatom assemblages, reflecting morphological features and aquatic and saltmarsh vegetation development. Most importantly. Paradia sulcata was abundant during warmer periods and disappeared when the nutrient supply, water chemistry, vegetation and sediment characteristics were altered under colder climates.
Persistent Identifierhttp://hdl.handle.net/10722/150993
ISSN
2015 Impact Factor: 1.868
2015 SCImago Journal Rankings: 0.671
References

 

DC FieldValueLanguage
dc.contributor.authorZong, Yen_US
dc.date.accessioned2012-06-26T06:15:35Z-
dc.date.available2012-06-26T06:15:35Z-
dc.date.issued1997en_US
dc.identifier.citationDiatom Research, 1997, v. 12 n. 1, p. 125-150en_US
dc.identifier.issn0269-249Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/150993-
dc.description.abstractDiatom assemblages from eight basins of northwest Scotland, isolated from the sea during the Late Devensian and Holocene, show Paralia sulcata abundant towards the ingression and isolation contacts of the sedimentary sequences. Across the contacts, Paralia sulcata is commonly replaced by, or associated with, salt-tolerant freshwater species, in particular Fragilaria spp. Such a Paralia sulcata-Fragilaria spp. transition indicates a gradual reduction in marine influence and highly fluctuating water salinities. Optimal growth of Paralia sulcata occurred as a result of the favoured conditions in isolation basins, under which many other marine and brackish taxa were disadvantaged. Notwithstanding the typical transition, there are other smaller variations in the diatom assemblages, reflecting morphological features and aquatic and saltmarsh vegetation development. Most importantly. Paradia sulcata was abundant during warmer periods and disappeared when the nutrient supply, water chemistry, vegetation and sediment characteristics were altered under colder climates.en_US
dc.languageengen_US
dc.relation.ispartofDiatom Researchen_US
dc.titleImplications of Paralia sulcata abundance in Scottish isolation basinsen_US
dc.typeArticleen_US
dc.identifier.emailZong, Y:yqzong@hkucc.hku.hken_US
dc.identifier.authorityZong, Y=rp00846en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0031425967en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031425967&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume12en_US
dc.identifier.issue1en_US
dc.identifier.spage125en_US
dc.identifier.epage150en_US
dc.identifier.scopusauthoridZong, Y=7005203454en_US

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