The biogeography of major diatom taxa in Southern Ocean sediments
International audience Diatoms from 228 Southern Ocean core-top sediment samples were examined to determine the geographic distributions of 32 major diatom species/taxa preserved in the sediments of three zonally-distinct regions; Sea Ice, Open Ocean and the Tropical/Subtropical. In the first of thr...
Published in: | Palaeogeography, Palaeoclimatology, Palaeoecology |
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Format: | Article in Journal/Newspaper |
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Online Access: | https://hal.science/hal-02105688 https://doi.org/10.1016/j.palaeo.2005.02.015 |
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ftunivnantes:oai:HAL:hal-02105688v1 2023-05-15T18:16:30+02:00 The biogeography of major diatom taxa in Southern Ocean sediments Armand, Leanne K. Crosta, Xavier Romero, Oscar Pichon, Jean-Jacques University of Tasmania Hobart, Australia (UTAS) Environnements et Paléoenvironnements OCéaniques (EPOC) Observatoire aquitain des sciences de l'univers (OASU) Université Sciences et Technologies - Bordeaux 1 (UB)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Sciences et Technologies - Bordeaux 1 (UB)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-École pratique des hautes études (EPHE) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS) Universität Bremen 2005 https://hal.science/hal-02105688 https://doi.org/10.1016/j.palaeo.2005.02.015 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.palaeo.2005.02.015 hal-02105688 https://hal.science/hal-02105688 doi:10.1016/j.palaeo.2005.02.015 ISSN: 0031-0182 Palaeogeography, Palaeoclimatology, Palaeoecology https://hal.science/hal-02105688 Palaeogeography, Palaeoclimatology, Palaeoecology, 2005, 223 (1-2), pp.93-126. ⟨10.1016/j.palaeo.2005.02.015⟩ Diatom Bacillariophyceae Biogeography Sea ice Southern Ocean Sediments [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology info:eu-repo/semantics/article Journal articles 2005 ftunivnantes https://doi.org/10.1016/j.palaeo.2005.02.015 2023-02-08T07:43:57Z International audience Diatoms from 228 Southern Ocean core-top sediment samples were examined to determine the geographic distributions of 32 major diatom species/taxa preserved in the sediments of three zonally-distinct regions; Sea Ice, Open Ocean and the Tropical/Subtropical. In the first of three papers, 14 species/taxa occurring in the region where sea ice covers the ocean surface on an annual basis are geographically documented. Comparisons are drawn between the diatom abundances on the sea floor, sea ice parameters (annual duration and concentration in February and September) and February sea-surface temperature. Such parameters are commonly used in reconstructing past oceanographic conditions in the Sea Ice and Open Ocean zones. Analysis of the geographic patterns and sea-surface parameter correlations reveals species-specific distributions regulated primarily by sea ice coverage and sea-surface temperature, which support the use of diatom remains for the estimation of these past sea-surface environmental parameters. Comparison with reliable accounts of the 14 species from the sediments or plankton also provides the first glimpses into species-specific ecology and habitat linkages. Article in Journal/Newspaper Sea ice Southern Ocean Université de Nantes: HAL-UNIV-NANTES Southern Ocean Palaeogeography, Palaeoclimatology, Palaeoecology 223 1-2 93 126 |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
Diatom Bacillariophyceae Biogeography Sea ice Southern Ocean Sediments [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology |
spellingShingle |
Diatom Bacillariophyceae Biogeography Sea ice Southern Ocean Sediments [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology Armand, Leanne K. Crosta, Xavier Romero, Oscar Pichon, Jean-Jacques The biogeography of major diatom taxa in Southern Ocean sediments |
topic_facet |
Diatom Bacillariophyceae Biogeography Sea ice Southern Ocean Sediments [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology |
description |
International audience Diatoms from 228 Southern Ocean core-top sediment samples were examined to determine the geographic distributions of 32 major diatom species/taxa preserved in the sediments of three zonally-distinct regions; Sea Ice, Open Ocean and the Tropical/Subtropical. In the first of three papers, 14 species/taxa occurring in the region where sea ice covers the ocean surface on an annual basis are geographically documented. Comparisons are drawn between the diatom abundances on the sea floor, sea ice parameters (annual duration and concentration in February and September) and February sea-surface temperature. Such parameters are commonly used in reconstructing past oceanographic conditions in the Sea Ice and Open Ocean zones. Analysis of the geographic patterns and sea-surface parameter correlations reveals species-specific distributions regulated primarily by sea ice coverage and sea-surface temperature, which support the use of diatom remains for the estimation of these past sea-surface environmental parameters. Comparison with reliable accounts of the 14 species from the sediments or plankton also provides the first glimpses into species-specific ecology and habitat linkages. |
author2 |
University of Tasmania Hobart, Australia (UTAS) Environnements et Paléoenvironnements OCéaniques (EPOC) Observatoire aquitain des sciences de l'univers (OASU) Université Sciences et Technologies - Bordeaux 1 (UB)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Sciences et Technologies - Bordeaux 1 (UB)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-École pratique des hautes études (EPHE) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS) Universität Bremen |
format |
Article in Journal/Newspaper |
author |
Armand, Leanne K. Crosta, Xavier Romero, Oscar Pichon, Jean-Jacques |
author_facet |
Armand, Leanne K. Crosta, Xavier Romero, Oscar Pichon, Jean-Jacques |
author_sort |
Armand, Leanne K. |
title |
The biogeography of major diatom taxa in Southern Ocean sediments |
title_short |
The biogeography of major diatom taxa in Southern Ocean sediments |
title_full |
The biogeography of major diatom taxa in Southern Ocean sediments |
title_fullStr |
The biogeography of major diatom taxa in Southern Ocean sediments |
title_full_unstemmed |
The biogeography of major diatom taxa in Southern Ocean sediments |
title_sort |
biogeography of major diatom taxa in southern ocean sediments |
publisher |
HAL CCSD |
publishDate |
2005 |
url |
https://hal.science/hal-02105688 https://doi.org/10.1016/j.palaeo.2005.02.015 |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
Sea ice Southern Ocean |
genre_facet |
Sea ice Southern Ocean |
op_source |
ISSN: 0031-0182 Palaeogeography, Palaeoclimatology, Palaeoecology https://hal.science/hal-02105688 Palaeogeography, Palaeoclimatology, Palaeoecology, 2005, 223 (1-2), pp.93-126. ⟨10.1016/j.palaeo.2005.02.015⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.palaeo.2005.02.015 hal-02105688 https://hal.science/hal-02105688 doi:10.1016/j.palaeo.2005.02.015 |
op_doi |
https://doi.org/10.1016/j.palaeo.2005.02.015 |
container_title |
Palaeogeography, Palaeoclimatology, Palaeoecology |
container_volume |
223 |
container_issue |
1-2 |
container_start_page |
93 |
op_container_end_page |
126 |
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1766190151811203072 |