Spatial distribution of copepods in fast ice of eastern Antarctica
The distribution and abundance of sympagic copepods in fast ice of the Australian Antarctic Territory (AAT) were investigated between October and December 1995. Copepods were collected from six sites between the northern Vestfold Hills (Murphy Rocks) and Mawson Station, a distance of approximately 6...
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School of Zoology, University of Tasmania/School of Zoology, University of Tasmania/Institute of Antarctic and Southern Ocean Studies, University of Tasmania
2000
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ftnipr:oai:nipr.repo.nii.ac.jp:00006146 2023-05-15T13:46:39+02:00 Spatial distribution of copepods in fast ice of eastern Antarctica Swadling,Kerrie M. Mcphee,Andrew D. Mcminn,Andrew 2000-02 https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=6146 http://id.nii.ac.jp/1291/00006146/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=6146&item_no=1&attribute_id=18&file_no=1 en eng School of Zoology, University of Tasmania/School of Zoology, University of Tasmania/Institute of Antarctic and Southern Ocean Studies, University of Tasmania National Institute of Polar Research https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=6146 http://id.nii.ac.jp/1291/00006146/ AA11327019 Polar bioscience, 13, 55-65(2000-02) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=6146&item_no=1&attribute_id=18&file_no=1 Copepods Drescheriella glacialis eastern Antarctica sea ice Paralabidocera antarctica Stephos longipes Departmental Bulletin Paper P(論文) 2000 ftnipr 2023-03-04T20:18:35Z The distribution and abundance of sympagic copepods in fast ice of the Australian Antarctic Territory (AAT) were investigated between October and December 1995. Copepods were collected from six sites between the northern Vestfold Hills (Murphy Rocks) and Mawson Station, a distance of approximately 650km. Nine species of copepods were identified from the ice cores, however, of these only three were recorded regularly : Paralabidocera antarctica, Drescheriella glacialis and Stephos longipes. The density of copepods was highest in the bottom few cm of ice, with abundances reaching up to 147l^<-1>. The highest concentrations of chlorophyll α were also found in the bottom portion of ice, suggesting that the copepods congregated in regions of high food availability. All developmental stages of Drescheriella glacialis were observed during this study, often from within a single core. In contrast, Paralabidocera antarctica occurred mainly as early copepodite stages, and Stephos longipes mainly as nauplii. These observations were consistent with the documented life cycles for each species. Drescheriella glacialis appears to reproduce and breed within the ice, Paralabidocera antarctica overwinters in the ice but enters a pelagic phase as late-stage copepodids, while nauplii of Stephos longipes are the predominant stages which associate closely with sea ice. Report Antarc* Antarctic Antarctica Murphy Rocks Polar bioscience Sea ice Copepods National Institute of Polar Research Repository, Japan Antarctic Australian Antarctic Territory Mawson Station ENVELOPE(62.874,62.874,-67.603,-67.603) Murphy Rocks ENVELOPE(78.733,78.733,-68.233,-68.233) Vestfold Vestfold Hills |
institution |
Open Polar |
collection |
National Institute of Polar Research Repository, Japan |
op_collection_id |
ftnipr |
language |
English |
topic |
Copepods Drescheriella glacialis eastern Antarctica sea ice Paralabidocera antarctica Stephos longipes |
spellingShingle |
Copepods Drescheriella glacialis eastern Antarctica sea ice Paralabidocera antarctica Stephos longipes Swadling,Kerrie M. Mcphee,Andrew D. Mcminn,Andrew Spatial distribution of copepods in fast ice of eastern Antarctica |
topic_facet |
Copepods Drescheriella glacialis eastern Antarctica sea ice Paralabidocera antarctica Stephos longipes |
description |
The distribution and abundance of sympagic copepods in fast ice of the Australian Antarctic Territory (AAT) were investigated between October and December 1995. Copepods were collected from six sites between the northern Vestfold Hills (Murphy Rocks) and Mawson Station, a distance of approximately 650km. Nine species of copepods were identified from the ice cores, however, of these only three were recorded regularly : Paralabidocera antarctica, Drescheriella glacialis and Stephos longipes. The density of copepods was highest in the bottom few cm of ice, with abundances reaching up to 147l^<-1>. The highest concentrations of chlorophyll α were also found in the bottom portion of ice, suggesting that the copepods congregated in regions of high food availability. All developmental stages of Drescheriella glacialis were observed during this study, often from within a single core. In contrast, Paralabidocera antarctica occurred mainly as early copepodite stages, and Stephos longipes mainly as nauplii. These observations were consistent with the documented life cycles for each species. Drescheriella glacialis appears to reproduce and breed within the ice, Paralabidocera antarctica overwinters in the ice but enters a pelagic phase as late-stage copepodids, while nauplii of Stephos longipes are the predominant stages which associate closely with sea ice. |
format |
Report |
author |
Swadling,Kerrie M. Mcphee,Andrew D. Mcminn,Andrew |
author_facet |
Swadling,Kerrie M. Mcphee,Andrew D. Mcminn,Andrew |
author_sort |
Swadling,Kerrie M. |
title |
Spatial distribution of copepods in fast ice of eastern Antarctica |
title_short |
Spatial distribution of copepods in fast ice of eastern Antarctica |
title_full |
Spatial distribution of copepods in fast ice of eastern Antarctica |
title_fullStr |
Spatial distribution of copepods in fast ice of eastern Antarctica |
title_full_unstemmed |
Spatial distribution of copepods in fast ice of eastern Antarctica |
title_sort |
spatial distribution of copepods in fast ice of eastern antarctica |
publisher |
School of Zoology, University of Tasmania/School of Zoology, University of Tasmania/Institute of Antarctic and Southern Ocean Studies, University of Tasmania |
publishDate |
2000 |
url |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=6146 http://id.nii.ac.jp/1291/00006146/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=6146&item_no=1&attribute_id=18&file_no=1 |
long_lat |
ENVELOPE(62.874,62.874,-67.603,-67.603) ENVELOPE(78.733,78.733,-68.233,-68.233) |
geographic |
Antarctic Australian Antarctic Territory Mawson Station Murphy Rocks Vestfold Vestfold Hills |
geographic_facet |
Antarctic Australian Antarctic Territory Mawson Station Murphy Rocks Vestfold Vestfold Hills |
genre |
Antarc* Antarctic Antarctica Murphy Rocks Polar bioscience Sea ice Copepods |
genre_facet |
Antarc* Antarctic Antarctica Murphy Rocks Polar bioscience Sea ice Copepods |
op_relation |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=6146 http://id.nii.ac.jp/1291/00006146/ AA11327019 Polar bioscience, 13, 55-65(2000-02) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=6146&item_no=1&attribute_id=18&file_no=1 |
_version_ |
1766244998840320000 |