Intraspecific differences in lipid content of calanoid copepods across fine-scale depth ranges within the photic layer.
Copepods are among the most abundant and diverse groups of mesozooplankton in the world's oceans. Each species has a certain depth range within which different individuals (of the same life stage and sex) are found. Lipids are accumulated in many calanoid copepods for energy storage and reprodu...
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ftdoajarticles:oai:doaj.org/article:351f7cc3d93a481bb6c41fe8daea790a 2023-05-15T14:59:19+02:00 Intraspecific differences in lipid content of calanoid copepods across fine-scale depth ranges within the photic layer. Margarita Zarubin Viviana Farstey Anette Wold Stig Falk-Petersen Amatzia Genin 2014-01-01T00:00:00Z https://doi.org/10.1371/journal.pone.0092935 https://doaj.org/article/351f7cc3d93a481bb6c41fe8daea790a EN eng Public Library of Science (PLoS) http://europepmc.org/articles/PMC3965483?pdf=render https://doaj.org/toc/1932-6203 1932-6203 doi:10.1371/journal.pone.0092935 https://doaj.org/article/351f7cc3d93a481bb6c41fe8daea790a PLoS ONE, Vol 9, Iss 3, p e92935 (2014) Medicine R Science Q article 2014 ftdoajarticles https://doi.org/10.1371/journal.pone.0092935 2022-12-30T23:57:02Z Copepods are among the most abundant and diverse groups of mesozooplankton in the world's oceans. Each species has a certain depth range within which different individuals (of the same life stage and sex) are found. Lipids are accumulated in many calanoid copepods for energy storage and reproduction. Lipid content in some species increases with depth, however studies so far focused mostly on temperate and high-latitude seasonal vertically migrating copepods and compared lipid contents among individuals either from coarse layers or between diapausing, deep-dwelling copepods and individuals found in the photic, near-surface layer. Here we examined whether lipid contents of individual calanoid copepods of the same species, life stage/sex differ between finer depth layers within the upper water column of subtropical and Arctic seas. A total of 6 calanoid species were collected from samples taken at precise depths within the photic layer in both cold eutrophic and warm oligotrophic environments using SCUBA diving, MOCNESS and Multinet. Measurements of lipid content were obtained from digitized photographs of the collected individuals. The results revealed significant differences in lipid content across depth differences as small as 12-15 meters for Mecynocera clausi C5 and Ctenocalanus vanus C5 (Red Sea), Clausocalanus furcatus males and two clausocalanid C5s (Mediterranean Sea), and Calanus glacialis C5 (Arctic). We suggest two possible explanations for the differences in lipid content with depth on such a fine scale: predator avoidance and buoyancy. Article in Journal/Newspaper Arctic Calanus glacialis Copepods Directory of Open Access Journals: DOAJ Articles Arctic PLoS ONE 9 3 e92935 |
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Directory of Open Access Journals: DOAJ Articles |
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Medicine R Science Q |
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Medicine R Science Q Margarita Zarubin Viviana Farstey Anette Wold Stig Falk-Petersen Amatzia Genin Intraspecific differences in lipid content of calanoid copepods across fine-scale depth ranges within the photic layer. |
topic_facet |
Medicine R Science Q |
description |
Copepods are among the most abundant and diverse groups of mesozooplankton in the world's oceans. Each species has a certain depth range within which different individuals (of the same life stage and sex) are found. Lipids are accumulated in many calanoid copepods for energy storage and reproduction. Lipid content in some species increases with depth, however studies so far focused mostly on temperate and high-latitude seasonal vertically migrating copepods and compared lipid contents among individuals either from coarse layers or between diapausing, deep-dwelling copepods and individuals found in the photic, near-surface layer. Here we examined whether lipid contents of individual calanoid copepods of the same species, life stage/sex differ between finer depth layers within the upper water column of subtropical and Arctic seas. A total of 6 calanoid species were collected from samples taken at precise depths within the photic layer in both cold eutrophic and warm oligotrophic environments using SCUBA diving, MOCNESS and Multinet. Measurements of lipid content were obtained from digitized photographs of the collected individuals. The results revealed significant differences in lipid content across depth differences as small as 12-15 meters for Mecynocera clausi C5 and Ctenocalanus vanus C5 (Red Sea), Clausocalanus furcatus males and two clausocalanid C5s (Mediterranean Sea), and Calanus glacialis C5 (Arctic). We suggest two possible explanations for the differences in lipid content with depth on such a fine scale: predator avoidance and buoyancy. |
format |
Article in Journal/Newspaper |
author |
Margarita Zarubin Viviana Farstey Anette Wold Stig Falk-Petersen Amatzia Genin |
author_facet |
Margarita Zarubin Viviana Farstey Anette Wold Stig Falk-Petersen Amatzia Genin |
author_sort |
Margarita Zarubin |
title |
Intraspecific differences in lipid content of calanoid copepods across fine-scale depth ranges within the photic layer. |
title_short |
Intraspecific differences in lipid content of calanoid copepods across fine-scale depth ranges within the photic layer. |
title_full |
Intraspecific differences in lipid content of calanoid copepods across fine-scale depth ranges within the photic layer. |
title_fullStr |
Intraspecific differences in lipid content of calanoid copepods across fine-scale depth ranges within the photic layer. |
title_full_unstemmed |
Intraspecific differences in lipid content of calanoid copepods across fine-scale depth ranges within the photic layer. |
title_sort |
intraspecific differences in lipid content of calanoid copepods across fine-scale depth ranges within the photic layer. |
publisher |
Public Library of Science (PLoS) |
publishDate |
2014 |
url |
https://doi.org/10.1371/journal.pone.0092935 https://doaj.org/article/351f7cc3d93a481bb6c41fe8daea790a |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Calanus glacialis Copepods |
genre_facet |
Arctic Calanus glacialis Copepods |
op_source |
PLoS ONE, Vol 9, Iss 3, p e92935 (2014) |
op_relation |
http://europepmc.org/articles/PMC3965483?pdf=render https://doaj.org/toc/1932-6203 1932-6203 doi:10.1371/journal.pone.0092935 https://doaj.org/article/351f7cc3d93a481bb6c41fe8daea790a |
op_doi |
https://doi.org/10.1371/journal.pone.0092935 |
container_title |
PLoS ONE |
container_volume |
9 |
container_issue |
3 |
container_start_page |
e92935 |
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