The summertime plankton community at South Georgia (Southern Ocean): comparing the historical (1926/27) and modern (post 1995) records.
The earliest comprehensive plankton sampling programme in the Southern Ocean was 32 undertaken during the early part of last century by Discovery Investigations to gain a 33 greater scientific understanding of whale stocks and their summer feeding grounds. An 34 initial survey was carried out around...
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ftnerc:oai:nora.nerc.ac.uk:6192 2024-06-09T07:40:54+00:00 The summertime plankton community at South Georgia (Southern Ocean): comparing the historical (1926/27) and modern (post 1995) records. Ward, Peter Meredith, Michael P. Whitehouse, Mick J. Rothery, Peter 2008 text http://nora.nerc.ac.uk/id/eprint/6192/ https://nora.nerc.ac.uk/id/eprint/6192/1/Wardetal_revision_final.pdf https://doi.org/10.1016/j.pocean.2008.05.003 en eng Elsevier https://nora.nerc.ac.uk/id/eprint/6192/1/Wardetal_revision_final.pdf Ward, Peter; Meredith, Michael P. orcid:0000-0002-7342-7756 Whitehouse, Mick J.; Rothery, Peter. 2008 The summertime plankton community at South Georgia (Southern Ocean): comparing the historical (1926/27) and modern (post 1995) records. Progress in Oceanography, 78 (3). 241-256. https://doi.org/10.1016/j.pocean.2008.05.003 <https://doi.org/10.1016/j.pocean.2008.05.003> Marine Sciences Publication - Article PeerReviewed 2008 ftnerc https://doi.org/10.1016/j.pocean.2008.05.003 2024-05-15T08:52:26Z The earliest comprehensive plankton sampling programme in the Southern Ocean was 32 undertaken during the early part of last century by Discovery Investigations to gain a 33 greater scientific understanding of whale stocks and their summer feeding grounds. An 34 initial survey was carried out around South Georgia during December 1926 and January 35 1927 to describe the distribution of plankton during the summer, and to serve as a 36 baseline against which to compare future surveys. We have reanalysed phytoplankton and 37 zooplankton data from this survey and elucidated patterns of community distribution and 38 compared them with our recent understanding of the ecosystem based on contemporary 39 data. Analysis of Discovery data identified five groups of stations with characteristic 40 phytoplankton communities which were almost entirely consistent with the original 41 analysis conducted by Hardy and Gunther (1935). Major groupings were located at the 42 western end of the island and over the northern shelf where Corethron spp. were 43 dominant, and to the south and east where a more diverse flora included high abundances 44 of Nitzschia seriata. Major zooplankton-station groupings were located over the inner 45 shelf which was characterised by a high abundance of Drepanopus forcipatus and in 46 oceanic water >500 m deep that were dominated by Foraminifera, Oithona spp., 47 Ctenocalanus vanus, and Calanoides acutus. Stations along the middle and outer shelf 48 regions to the north and west, were characterised by low overall abundance. There was 49 some evidence that groupings of stations to the north of the island originated in different 50 water masses on either side of the Southern Antarctic Circumpolar Current Front, the 51 major frontal system in the deep ocean close to South Georgia. However, transect lines 52 during 1926/27 did not extend far enough offshore to sample this frontal region 53 3 adequately. Interannual variability of zooplankton abundance was assessed from stations 54 which were sampled ... Article in Journal/Newspaper Antarc* Antarctic Southern Ocean Natural Environment Research Council: NERC Open Research Archive Antarctic Southern Ocean Progress in Oceanography 78 3 241 256 |
institution |
Open Polar |
collection |
Natural Environment Research Council: NERC Open Research Archive |
op_collection_id |
ftnerc |
language |
English |
topic |
Marine Sciences |
spellingShingle |
Marine Sciences Ward, Peter Meredith, Michael P. Whitehouse, Mick J. Rothery, Peter The summertime plankton community at South Georgia (Southern Ocean): comparing the historical (1926/27) and modern (post 1995) records. |
topic_facet |
Marine Sciences |
description |
The earliest comprehensive plankton sampling programme in the Southern Ocean was 32 undertaken during the early part of last century by Discovery Investigations to gain a 33 greater scientific understanding of whale stocks and their summer feeding grounds. An 34 initial survey was carried out around South Georgia during December 1926 and January 35 1927 to describe the distribution of plankton during the summer, and to serve as a 36 baseline against which to compare future surveys. We have reanalysed phytoplankton and 37 zooplankton data from this survey and elucidated patterns of community distribution and 38 compared them with our recent understanding of the ecosystem based on contemporary 39 data. Analysis of Discovery data identified five groups of stations with characteristic 40 phytoplankton communities which were almost entirely consistent with the original 41 analysis conducted by Hardy and Gunther (1935). Major groupings were located at the 42 western end of the island and over the northern shelf where Corethron spp. were 43 dominant, and to the south and east where a more diverse flora included high abundances 44 of Nitzschia seriata. Major zooplankton-station groupings were located over the inner 45 shelf which was characterised by a high abundance of Drepanopus forcipatus and in 46 oceanic water >500 m deep that were dominated by Foraminifera, Oithona spp., 47 Ctenocalanus vanus, and Calanoides acutus. Stations along the middle and outer shelf 48 regions to the north and west, were characterised by low overall abundance. There was 49 some evidence that groupings of stations to the north of the island originated in different 50 water masses on either side of the Southern Antarctic Circumpolar Current Front, the 51 major frontal system in the deep ocean close to South Georgia. However, transect lines 52 during 1926/27 did not extend far enough offshore to sample this frontal region 53 3 adequately. Interannual variability of zooplankton abundance was assessed from stations 54 which were sampled ... |
format |
Article in Journal/Newspaper |
author |
Ward, Peter Meredith, Michael P. Whitehouse, Mick J. Rothery, Peter |
author_facet |
Ward, Peter Meredith, Michael P. Whitehouse, Mick J. Rothery, Peter |
author_sort |
Ward, Peter |
title |
The summertime plankton community at South Georgia (Southern Ocean): comparing the historical (1926/27) and modern (post 1995) records. |
title_short |
The summertime plankton community at South Georgia (Southern Ocean): comparing the historical (1926/27) and modern (post 1995) records. |
title_full |
The summertime plankton community at South Georgia (Southern Ocean): comparing the historical (1926/27) and modern (post 1995) records. |
title_fullStr |
The summertime plankton community at South Georgia (Southern Ocean): comparing the historical (1926/27) and modern (post 1995) records. |
title_full_unstemmed |
The summertime plankton community at South Georgia (Southern Ocean): comparing the historical (1926/27) and modern (post 1995) records. |
title_sort |
summertime plankton community at south georgia (southern ocean): comparing the historical (1926/27) and modern (post 1995) records. |
publisher |
Elsevier |
publishDate |
2008 |
url |
http://nora.nerc.ac.uk/id/eprint/6192/ https://nora.nerc.ac.uk/id/eprint/6192/1/Wardetal_revision_final.pdf https://doi.org/10.1016/j.pocean.2008.05.003 |
geographic |
Antarctic Southern Ocean |
geographic_facet |
Antarctic Southern Ocean |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_relation |
https://nora.nerc.ac.uk/id/eprint/6192/1/Wardetal_revision_final.pdf Ward, Peter; Meredith, Michael P. orcid:0000-0002-7342-7756 Whitehouse, Mick J.; Rothery, Peter. 2008 The summertime plankton community at South Georgia (Southern Ocean): comparing the historical (1926/27) and modern (post 1995) records. Progress in Oceanography, 78 (3). 241-256. https://doi.org/10.1016/j.pocean.2008.05.003 <https://doi.org/10.1016/j.pocean.2008.05.003> |
op_doi |
https://doi.org/10.1016/j.pocean.2008.05.003 |
container_title |
Progress in Oceanography |
container_volume |
78 |
container_issue |
3 |
container_start_page |
241 |
op_container_end_page |
256 |
_version_ |
1801369311862849536 |