Euphausiid distribution, abundance and succession in North Atlantic warm-core ring 82B
Zooplankton collections were made with a multiple opening/closing net and environmental sensing system (MOCNESS) both day and night in warm-core ring 82B in the North Atlantic Ocean and at night in the Slope Water between March and August 1982. Species succession of euphausiids in 82B was presented...
Published in: | Journal of Plankton Research |
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2005
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fthighwire:oai:open-archive.highwire.org:plankt:27/2/175 2023-05-15T17:28:34+02:00 Euphausiid distribution, abundance and succession in North Atlantic warm-core ring 82B Endo, Yoshinari Wiebe, Peter H. 2005-02-01 00:00:00.0 text/html http://plankt.oxfordjournals.org/cgi/content/short/27/2/175 https://doi.org/10.1093/plankt/fbh170 en eng Oxford University Press http://plankt.oxfordjournals.org/cgi/content/short/27/2/175 http://dx.doi.org/10.1093/plankt/fbh170 Copyright (C) 2005, Oxford University Press ORIGINAL ARTICLES TEXT 2005 fthighwire https://doi.org/10.1093/plankt/fbh170 2013-05-26T13:54:16Z Zooplankton collections were made with a multiple opening/closing net and environmental sensing system (MOCNESS) both day and night in warm-core ring 82B in the North Atlantic Ocean and at night in the Slope Water between March and August 1982. Species succession of euphausiids in 82B was presented during the lifespan of this warm-core ring, aiming at providing basic information on possible response of North Atlantic marine ecosystem to global warming. Species succession of euphausiids (32 species) in this long-lived warm-core ring was investigated. Major physical changes of 82B occurred in March to April by convective mixing and thermostad cooling, in April/May by stratification of the surface waters and in August by the interaction with Gulf Stream. Substantial changes in species composition were observed that corresponded to these physical changes. Four different patterns were found in temporal change in abundance of warm-water species. There were species that decreased in number from March to August, species that decreased from March to June, but increased in August, species that increased from Match to August and species that showed no systematic trend. These differences may be attributable to a species tolerance to the thermostad temperature decrease and their vertical distribution. There was also a large change from April to June with ascendance of the transition species, Thysanoessa gregaria . Cold-water species had variable patterns of abundance in 82B and occurred more abundantly in the Slope Water than in the ring. The monthly percentage decrease in the abundance of warm-water species in 82B was high compared with that of cold-water species in cold-core rings as a result of the more rapid changes in the physical structure and the shorter lifetimes of warm-core rings in the western North Atlantic. Text North Atlantic HighWire Press (Stanford University) Journal of Plankton Research 27 2 175 188 |
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Open Polar |
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HighWire Press (Stanford University) |
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fthighwire |
language |
English |
topic |
ORIGINAL ARTICLES |
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ORIGINAL ARTICLES Endo, Yoshinari Wiebe, Peter H. Euphausiid distribution, abundance and succession in North Atlantic warm-core ring 82B |
topic_facet |
ORIGINAL ARTICLES |
description |
Zooplankton collections were made with a multiple opening/closing net and environmental sensing system (MOCNESS) both day and night in warm-core ring 82B in the North Atlantic Ocean and at night in the Slope Water between March and August 1982. Species succession of euphausiids in 82B was presented during the lifespan of this warm-core ring, aiming at providing basic information on possible response of North Atlantic marine ecosystem to global warming. Species succession of euphausiids (32 species) in this long-lived warm-core ring was investigated. Major physical changes of 82B occurred in March to April by convective mixing and thermostad cooling, in April/May by stratification of the surface waters and in August by the interaction with Gulf Stream. Substantial changes in species composition were observed that corresponded to these physical changes. Four different patterns were found in temporal change in abundance of warm-water species. There were species that decreased in number from March to August, species that decreased from March to June, but increased in August, species that increased from Match to August and species that showed no systematic trend. These differences may be attributable to a species tolerance to the thermostad temperature decrease and their vertical distribution. There was also a large change from April to June with ascendance of the transition species, Thysanoessa gregaria . Cold-water species had variable patterns of abundance in 82B and occurred more abundantly in the Slope Water than in the ring. The monthly percentage decrease in the abundance of warm-water species in 82B was high compared with that of cold-water species in cold-core rings as a result of the more rapid changes in the physical structure and the shorter lifetimes of warm-core rings in the western North Atlantic. |
format |
Text |
author |
Endo, Yoshinari Wiebe, Peter H. |
author_facet |
Endo, Yoshinari Wiebe, Peter H. |
author_sort |
Endo, Yoshinari |
title |
Euphausiid distribution, abundance and succession in North Atlantic warm-core ring 82B |
title_short |
Euphausiid distribution, abundance and succession in North Atlantic warm-core ring 82B |
title_full |
Euphausiid distribution, abundance and succession in North Atlantic warm-core ring 82B |
title_fullStr |
Euphausiid distribution, abundance and succession in North Atlantic warm-core ring 82B |
title_full_unstemmed |
Euphausiid distribution, abundance and succession in North Atlantic warm-core ring 82B |
title_sort |
euphausiid distribution, abundance and succession in north atlantic warm-core ring 82b |
publisher |
Oxford University Press |
publishDate |
2005 |
url |
http://plankt.oxfordjournals.org/cgi/content/short/27/2/175 https://doi.org/10.1093/plankt/fbh170 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
http://plankt.oxfordjournals.org/cgi/content/short/27/2/175 http://dx.doi.org/10.1093/plankt/fbh170 |
op_rights |
Copyright (C) 2005, Oxford University Press |
op_doi |
https://doi.org/10.1093/plankt/fbh170 |
container_title |
Journal of Plankton Research |
container_volume |
27 |
container_issue |
2 |
container_start_page |
175 |
op_container_end_page |
188 |
_version_ |
1766121322713186304 |