Habitat selection by a marine copepod during the productive season in the Subarctic
Few studies have analysed the depth distribution of marine zooplankton at high-resolution, and knowledge obtained from theoretical modelling studies predominates over that from empirical field studies. We analysed depth selection by the marine copepod Calanus finmarchicus during spring and summer in...
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Online Access: | http://hdl.handle.net/11250/293125 https://doi.org/10.3354/meps08754 |
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ftnorduniv:oai:nordopen.nord.no:11250/293125 2023-05-15T15:48:01+02:00 Habitat selection by a marine copepod during the productive season in the Subarctic Basedow, Sünnje Linnéa Tande, Kurt Steinar Stige, Leif Christian 2015-07-10T12:53:27Z application/pdf http://hdl.handle.net/11250/293125 https://doi.org/10.3354/meps08754 eng eng Inter-Research Basedow, S.L., Tande, K.S. & Stige, L.C. (2010). Habitat selection by a marine copepod during the productive season in the Subarctic. Marine Ecology Progress Series, 416, 165-178. doi: urn:issn:1616-1599 http://hdl.handle.net/11250/293125 https://doi.org/10.3354/meps08754 cristin:349746 Navngivelse 3.0 Norge http://creativecommons.org/licenses/by/3.0/no/ © 2010, Inter-Research CC-BY 165-178 416 Marine Ecology Progress Series VDP::Mathematics and natural science: 400::Zoology and botany: 480::Marine biology: 497 Journal article Peer reviewed 2015 ftnorduniv https://doi.org/10.3354/meps08754 2021-07-13T18:12:56Z Few studies have analysed the depth distribution of marine zooplankton at high-resolution, and knowledge obtained from theoretical modelling studies predominates over that from empirical field studies. We analysed depth selection by the marine copepod Calanus finmarchicus during spring and summer in neritic and oceanic Subarctic regions. Data on hydrography and zooplankton distribution in the upper 100 m were collected at high resolution by a towed instrument platform equipped with CTD, fluorometer and an optical plankton counter. Four extensive field data sets covering time windows from 3 to 11 d during the productive season were analysed using generalized additive mixed models. Our main findings were that: (1) mean depth of older development stages (CV and adults) of C. finmarchicus was best predicted by biotic factors (depth of the fluorescence maximum and population density), while abiotic factors (depth of the pycnocline) were of secondary importance, (2) depth selection was similar in neritic and oceanic areas, and (3) there was no evidence for synchronous diel vertical migration. Our results suggest that copepods dynamically and consistently select their habitat (depth) based on food conditions and predators in a density-dependent manner. We conclude that ecological interactions may drive habitat choice of planktonic organisms even in highly fluctuating oceanic environments. Paid Open Access Article in Journal/Newspaper Calanus finmarchicus Subarctic Copepods Open archive Nord universitet Marine Ecology Progress Series 416 165 178 |
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Open archive Nord universitet |
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ftnorduniv |
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English |
topic |
VDP::Mathematics and natural science: 400::Zoology and botany: 480::Marine biology: 497 |
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VDP::Mathematics and natural science: 400::Zoology and botany: 480::Marine biology: 497 Basedow, Sünnje Linnéa Tande, Kurt Steinar Stige, Leif Christian Habitat selection by a marine copepod during the productive season in the Subarctic |
topic_facet |
VDP::Mathematics and natural science: 400::Zoology and botany: 480::Marine biology: 497 |
description |
Few studies have analysed the depth distribution of marine zooplankton at high-resolution, and knowledge obtained from theoretical modelling studies predominates over that from empirical field studies. We analysed depth selection by the marine copepod Calanus finmarchicus during spring and summer in neritic and oceanic Subarctic regions. Data on hydrography and zooplankton distribution in the upper 100 m were collected at high resolution by a towed instrument platform equipped with CTD, fluorometer and an optical plankton counter. Four extensive field data sets covering time windows from 3 to 11 d during the productive season were analysed using generalized additive mixed models. Our main findings were that: (1) mean depth of older development stages (CV and adults) of C. finmarchicus was best predicted by biotic factors (depth of the fluorescence maximum and population density), while abiotic factors (depth of the pycnocline) were of secondary importance, (2) depth selection was similar in neritic and oceanic areas, and (3) there was no evidence for synchronous diel vertical migration. Our results suggest that copepods dynamically and consistently select their habitat (depth) based on food conditions and predators in a density-dependent manner. We conclude that ecological interactions may drive habitat choice of planktonic organisms even in highly fluctuating oceanic environments. Paid Open Access |
format |
Article in Journal/Newspaper |
author |
Basedow, Sünnje Linnéa Tande, Kurt Steinar Stige, Leif Christian |
author_facet |
Basedow, Sünnje Linnéa Tande, Kurt Steinar Stige, Leif Christian |
author_sort |
Basedow, Sünnje Linnéa |
title |
Habitat selection by a marine copepod during the productive season in the Subarctic |
title_short |
Habitat selection by a marine copepod during the productive season in the Subarctic |
title_full |
Habitat selection by a marine copepod during the productive season in the Subarctic |
title_fullStr |
Habitat selection by a marine copepod during the productive season in the Subarctic |
title_full_unstemmed |
Habitat selection by a marine copepod during the productive season in the Subarctic |
title_sort |
habitat selection by a marine copepod during the productive season in the subarctic |
publisher |
Inter-Research |
publishDate |
2015 |
url |
http://hdl.handle.net/11250/293125 https://doi.org/10.3354/meps08754 |
genre |
Calanus finmarchicus Subarctic Copepods |
genre_facet |
Calanus finmarchicus Subarctic Copepods |
op_source |
165-178 416 Marine Ecology Progress Series |
op_relation |
Basedow, S.L., Tande, K.S. & Stige, L.C. (2010). Habitat selection by a marine copepod during the productive season in the Subarctic. Marine Ecology Progress Series, 416, 165-178. doi: urn:issn:1616-1599 http://hdl.handle.net/11250/293125 https://doi.org/10.3354/meps08754 cristin:349746 |
op_rights |
Navngivelse 3.0 Norge http://creativecommons.org/licenses/by/3.0/no/ © 2010, Inter-Research |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.3354/meps08754 |
container_title |
Marine Ecology Progress Series |
container_volume |
416 |
container_start_page |
165 |
op_container_end_page |
178 |
_version_ |
1766383019262738432 |