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Article: Modern benthic ostracodes from Lützow-Holm Bay, East Antarctica: Paleoceanographic, paleobiogeographic, and evolutionary significance

TitleModern benthic ostracodes from Lützow-Holm Bay, East Antarctica: Paleoceanographic, paleobiogeographic, and evolutionary significance
Authors
Issue Date2007
PublisherAmerican Museum of Natural History
Citation
Micropaleontology, 2007, v. 53 n. 6, p. 469-496 How to Cite?
AbstractSeventy-three ostracode species from 38 genera were recovered from the 55 surface sediment samples in Lützow-Holm Bay, northeastern Antarctica. We investigated bathymetric and geographic distributions of modern benthic ostracode species in the bay and compared this fauna with published modern and fossil ostracode data of Antarctic and southern South American regions. The results show: (1) Four biotopes and three sub-biotopes are recognized based on Q-mode cluster analysis, which suggest distributions of modern ostracodes are mainly controlled by water-mass structure, ice scouring, and light availability. (2) Comparison between the Lützow-Holm Bay fauna and other ostracode faunas from Antarctica and southern South America shows high endemism and homogeneity of Antarctic ostracode fauna, suggesting in situ evolution of most extant Antarctic species. (3) Most species are endemic to the Antarctica, a few species also inhabit South American waters.
Persistent Identifierhttp://hdl.handle.net/10722/132793
ISSN
2015 Impact Factor: 0.696
2015 SCImago Journal Rankings: 0.322
References

 

DC FieldValueLanguage
dc.contributor.authorYasuhara, Men_HK
dc.contributor.authorKato, Men_HK
dc.contributor.authorIkeya, Nen_HK
dc.contributor.authorSeto, Ken_HK
dc.date.accessioned2011-03-28T09:29:07Z-
dc.date.available2011-03-28T09:29:07Z-
dc.date.issued2007en_HK
dc.identifier.citationMicropaleontology, 2007, v. 53 n. 6, p. 469-496en_HK
dc.identifier.issn0026-2803en_HK
dc.identifier.urihttp://hdl.handle.net/10722/132793-
dc.description.abstractSeventy-three ostracode species from 38 genera were recovered from the 55 surface sediment samples in Lützow-Holm Bay, northeastern Antarctica. We investigated bathymetric and geographic distributions of modern benthic ostracode species in the bay and compared this fauna with published modern and fossil ostracode data of Antarctic and southern South American regions. The results show: (1) Four biotopes and three sub-biotopes are recognized based on Q-mode cluster analysis, which suggest distributions of modern ostracodes are mainly controlled by water-mass structure, ice scouring, and light availability. (2) Comparison between the Lützow-Holm Bay fauna and other ostracode faunas from Antarctica and southern South America shows high endemism and homogeneity of Antarctic ostracode fauna, suggesting in situ evolution of most extant Antarctic species. (3) Most species are endemic to the Antarctica, a few species also inhabit South American waters.en_HK
dc.languageengen_US
dc.publisherAmerican Museum of Natural Historyen_US
dc.relation.ispartofMicropaleontologyen_HK
dc.titleModern benthic ostracodes from Lützow-Holm Bay, East Antarctica: Paleoceanographic, paleobiogeographic, and evolutionary significanceen_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.scopuseid_2-s2.0-42649101705en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-42649101705&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume53en_HK
dc.identifier.issue6en_HK
dc.identifier.spage469en_HK
dc.identifier.epage496en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridYasuhara, M=7102069020en_HK
dc.identifier.scopusauthoridKato, M=7406302231en_HK
dc.identifier.scopusauthoridIkeya, N=6604087880en_HK
dc.identifier.scopusauthoridSeto, K=7202201396en_HK

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