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Article: Abyssal ostracods from the South and Equatorial Atlantic Ocean: Biological and paleoceanographic implications

TitleAbyssal ostracods from the South and Equatorial Atlantic Ocean: Biological and paleoceanographic implications
Authors
KeywordsCarbonate compensation depth
Lysocline
Modern deep-sea Ostracoda
Multiple-corer
Southeast and Equatorial Atlantic
Issue Date2008
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/dsri
Citation
Deep-Sea Research Part I: Oceanographic Research Papers, 2008, v. 55 n. 4, p. 490-497 How to Cite?
AbstractWe report the distribution of ostracods from ∼5000 m depth from the Southeast and Equatorial Atlantic Ocean recovered from the uppermost 10 cm of minimally disturbed sediments taken by multiple-corer during the R/V Meteor DIVA2 expedition M63.2. Five cores yielded the following major deep-sea genera: Krithe, Henryhowella, Poseidonamicus, Legitimocythere, Pseudobosquetina, and Pennyella. All genera are widely distributed in abyssal depths in the world's oceans and common in Cenozoic deep-sea sediments. The total number of ostracod specimens is higher and ostracod shell preservation is better near the sediment-water interface, especially at the 0-1 cm core depths. Core slices from ∼5 to 10 cm were barren or yielded a few poorly preserved specimens. The DIVA2 cores show that deep-sea ostracod species inhabit corrosive bottom water near the carbonate compensation depth (CCD) even though their calcareous valves are rarely preserved as fossils in sediment cores due to postmortem dissolution. Their occurrence at great water depths may partially explain the well-known global distributions of major deep-sea taxa in the world's oceans, although further expeditions using minimal-disturbance sampling devices are needed to fill geographic gaps. © 2008 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/132791
ISSN
2015 Impact Factor: 2.684
2015 SCImago Journal Rankings: 1.346
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYasuhara, Men_HK
dc.contributor.authorCronin, TMen_HK
dc.contributor.authorMartínez Arbizu, Pen_HK
dc.date.accessioned2011-03-28T09:29:06Z-
dc.date.available2011-03-28T09:29:06Z-
dc.date.issued2008en_HK
dc.identifier.citationDeep-Sea Research Part I: Oceanographic Research Papers, 2008, v. 55 n. 4, p. 490-497en_HK
dc.identifier.issn0967-0637en_HK
dc.identifier.urihttp://hdl.handle.net/10722/132791-
dc.description.abstractWe report the distribution of ostracods from ∼5000 m depth from the Southeast and Equatorial Atlantic Ocean recovered from the uppermost 10 cm of minimally disturbed sediments taken by multiple-corer during the R/V Meteor DIVA2 expedition M63.2. Five cores yielded the following major deep-sea genera: Krithe, Henryhowella, Poseidonamicus, Legitimocythere, Pseudobosquetina, and Pennyella. All genera are widely distributed in abyssal depths in the world's oceans and common in Cenozoic deep-sea sediments. The total number of ostracod specimens is higher and ostracod shell preservation is better near the sediment-water interface, especially at the 0-1 cm core depths. Core slices from ∼5 to 10 cm were barren or yielded a few poorly preserved specimens. The DIVA2 cores show that deep-sea ostracod species inhabit corrosive bottom water near the carbonate compensation depth (CCD) even though their calcareous valves are rarely preserved as fossils in sediment cores due to postmortem dissolution. Their occurrence at great water depths may partially explain the well-known global distributions of major deep-sea taxa in the world's oceans, although further expeditions using minimal-disturbance sampling devices are needed to fill geographic gaps. © 2008 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/dsrien_HK
dc.relation.ispartofDeep-Sea Research Part I: Oceanographic Research Papersen_HK
dc.subjectCarbonate compensation depthen_HK
dc.subjectLysoclineen_HK
dc.subjectModern deep-sea Ostracodaen_HK
dc.subjectMultiple-coreren_HK
dc.subjectSoutheast and Equatorial Atlanticen_HK
dc.titleAbyssal ostracods from the South and Equatorial Atlantic Ocean: Biological and paleoceanographic implicationsen_HK
dc.typeArticleen_HK
dc.identifier.emailYasuhara, M: yasuhara@hku.hken_HK
dc.identifier.authorityYasuhara, M=rp01474en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.dsr.2008.01.004en_HK
dc.identifier.scopuseid_2-s2.0-41549121476en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-41549121476&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume55en_HK
dc.identifier.issue4en_HK
dc.identifier.spage490en_HK
dc.identifier.epage497en_HK
dc.identifier.isiWOS:000255734300008-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridYasuhara, M=7102069020en_HK
dc.identifier.scopusauthoridCronin, TM=7102710042en_HK
dc.identifier.scopusauthoridMartínez Arbizu, P=6505935773en_HK

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