Dry weight carbon and nitrogen content of some euphausiids from the north Atlantic Ocean and the Celtic Sea
Euphausiids were identified, measured and then dried during a research cruise to sites in the north-eastern Atlantic Ocean and shelf waters of the Celtic Sea in late summer. The lengths of furcilia larvae and later stages were measured in three ways, and regressions relating each pair of measures we...
Published in: | Journal of Plankton Research |
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1999
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fthighwire:oai:open-archive.highwire.org:plankt:21/11/2053 2023-05-15T17:33:41+02:00 Dry weight carbon and nitrogen content of some euphausiids from the north Atlantic Ocean and the Celtic Sea Lindley, J.A. Robins, D.B. Williams, R. 1999-11-01 00:00:00.0 text/html http://plankt.oxfordjournals.org/cgi/content/short/21/11/2053 https://doi.org/10.1093/plankt/21.11.2053 en eng Oxford University Press http://plankt.oxfordjournals.org/cgi/content/short/21/11/2053 http://dx.doi.org/10.1093/plankt/21.11.2053 Copyright (C) 1999, Oxford University Press ORIGINAL ARTICLES TEXT 1999 fthighwire https://doi.org/10.1093/plankt/21.11.2053 2016-11-16T19:02:37Z Euphausiids were identified, measured and then dried during a research cruise to sites in the north-eastern Atlantic Ocean and shelf waters of the Celtic Sea in late summer. The lengths of furcilia larvae and later stages were measured in three ways, and regressions relating each pair of measures were calculated for different developmental stages of each species. Four hundred and ninety-three dried specimens of nine species were weighed and length–weight regressions were calculated. A subset of 187 specimens was selected for analysis of carbon (C) and nitrogen (N) content soon after return to the laboratory. The C and N contents of a further 122 specimens were determined after the specimens had been stored for 9 years. No consistent differences in percentage C and N content were found between the two groups, indicating no systematic change during prolonged storage in desiccators. Calyptopes of Nyctiphanes couchi contained a lower percentage of both C (mean 36.2%) and N (mean 8.6%) than later stages (means: 40.6% C, 11.0% N). Carbon content and C:N ratios of a group of specimens of Thysanoessa longicaudata , including some juveniles, adult males and adult females, were distinctly higher (>46% and >5.0, respectively) than those of the majority of specimens of the same species. Text North Atlantic HighWire Press (Stanford University) Journal of Plankton Research 21 11 2053 2066 |
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HighWire Press (Stanford University) |
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English |
topic |
ORIGINAL ARTICLES |
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ORIGINAL ARTICLES Lindley, J.A. Robins, D.B. Williams, R. Dry weight carbon and nitrogen content of some euphausiids from the north Atlantic Ocean and the Celtic Sea |
topic_facet |
ORIGINAL ARTICLES |
description |
Euphausiids were identified, measured and then dried during a research cruise to sites in the north-eastern Atlantic Ocean and shelf waters of the Celtic Sea in late summer. The lengths of furcilia larvae and later stages were measured in three ways, and regressions relating each pair of measures were calculated for different developmental stages of each species. Four hundred and ninety-three dried specimens of nine species were weighed and length–weight regressions were calculated. A subset of 187 specimens was selected for analysis of carbon (C) and nitrogen (N) content soon after return to the laboratory. The C and N contents of a further 122 specimens were determined after the specimens had been stored for 9 years. No consistent differences in percentage C and N content were found between the two groups, indicating no systematic change during prolonged storage in desiccators. Calyptopes of Nyctiphanes couchi contained a lower percentage of both C (mean 36.2%) and N (mean 8.6%) than later stages (means: 40.6% C, 11.0% N). Carbon content and C:N ratios of a group of specimens of Thysanoessa longicaudata , including some juveniles, adult males and adult females, were distinctly higher (>46% and >5.0, respectively) than those of the majority of specimens of the same species. |
format |
Text |
author |
Lindley, J.A. Robins, D.B. Williams, R. |
author_facet |
Lindley, J.A. Robins, D.B. Williams, R. |
author_sort |
Lindley, J.A. |
title |
Dry weight carbon and nitrogen content of some euphausiids from the north Atlantic Ocean and the Celtic Sea |
title_short |
Dry weight carbon and nitrogen content of some euphausiids from the north Atlantic Ocean and the Celtic Sea |
title_full |
Dry weight carbon and nitrogen content of some euphausiids from the north Atlantic Ocean and the Celtic Sea |
title_fullStr |
Dry weight carbon and nitrogen content of some euphausiids from the north Atlantic Ocean and the Celtic Sea |
title_full_unstemmed |
Dry weight carbon and nitrogen content of some euphausiids from the north Atlantic Ocean and the Celtic Sea |
title_sort |
dry weight carbon and nitrogen content of some euphausiids from the north atlantic ocean and the celtic sea |
publisher |
Oxford University Press |
publishDate |
1999 |
url |
http://plankt.oxfordjournals.org/cgi/content/short/21/11/2053 https://doi.org/10.1093/plankt/21.11.2053 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
http://plankt.oxfordjournals.org/cgi/content/short/21/11/2053 http://dx.doi.org/10.1093/plankt/21.11.2053 |
op_rights |
Copyright (C) 1999, Oxford University Press |
op_doi |
https://doi.org/10.1093/plankt/21.11.2053 |
container_title |
Journal of Plankton Research |
container_volume |
21 |
container_issue |
11 |
container_start_page |
2053 |
op_container_end_page |
2066 |
_version_ |
1766132261129814016 |