Ontogenetic and seasonal variation in the diel vertical migration of the copepods Metridia lucens and Metridia longa
Plankton samples collected and analyzed by the Continuous Plankton Recorder survey were used to examine the length of time spent near the surface in the North Atlantic and the North Sea by three closely related groups of zooplankton (copcpodite stages l-4 Metridia spp., copepodite stages 5-6 Metridi...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.533.6615 2023-05-15T17:33:25+02:00 Ontogenetic and seasonal variation in the diel vertical migration of the copepods Metridia lucens and Metridia longa Graeme C. Hays The Pennsylvania State University CiteSeerX Archives 1995 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.533.6615 http://www.aslo.org/lo/toc/vol_40/issue_8/1461.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.533.6615 http://www.aslo.org/lo/toc/vol_40/issue_8/1461.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.aslo.org/lo/toc/vol_40/issue_8/1461.pdf text 1995 ftciteseerx 2016-01-08T10:43:22Z Plankton samples collected and analyzed by the Continuous Plankton Recorder survey were used to examine the length of time spent near the surface in the North Atlantic and the North Sea by three closely related groups of zooplankton (copcpodite stages l-4 Metridia spp., copepodite stages 5-6 Metridia lucens, and copepodite stages 5-6 Metridia longa). For all three groups, the mean daily length of time spent near the surface in each month of the year covaried seasonally with day length. In addition, the amount of time spent near the surface varied significantly between the three groups, being longest for the copepods of smallest body size (Cl-C4 Metridia spp.) and shortest for the copepods of largest body size (C5-C6 AL longa). These results support the suggestion that diel vertical migration serves to reduce the risk of mortality from visually orienting predators. Diel vertical migration (DVM) is a common feature in zooplankton communities. Vertical migrants are nor-mally found deeper during the day and shallower at night. The ubiquity of DVM has provoked considerable and extended debate as to its functional significance. It has Text North Atlantic Copepods Unknown |
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ftciteseerx |
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English |
description |
Plankton samples collected and analyzed by the Continuous Plankton Recorder survey were used to examine the length of time spent near the surface in the North Atlantic and the North Sea by three closely related groups of zooplankton (copcpodite stages l-4 Metridia spp., copepodite stages 5-6 Metridia lucens, and copepodite stages 5-6 Metridia longa). For all three groups, the mean daily length of time spent near the surface in each month of the year covaried seasonally with day length. In addition, the amount of time spent near the surface varied significantly between the three groups, being longest for the copepods of smallest body size (Cl-C4 Metridia spp.) and shortest for the copepods of largest body size (C5-C6 AL longa). These results support the suggestion that diel vertical migration serves to reduce the risk of mortality from visually orienting predators. Diel vertical migration (DVM) is a common feature in zooplankton communities. Vertical migrants are nor-mally found deeper during the day and shallower at night. The ubiquity of DVM has provoked considerable and extended debate as to its functional significance. It has |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Graeme C. Hays |
spellingShingle |
Graeme C. Hays Ontogenetic and seasonal variation in the diel vertical migration of the copepods Metridia lucens and Metridia longa |
author_facet |
Graeme C. Hays |
author_sort |
Graeme C. Hays |
title |
Ontogenetic and seasonal variation in the diel vertical migration of the copepods Metridia lucens and Metridia longa |
title_short |
Ontogenetic and seasonal variation in the diel vertical migration of the copepods Metridia lucens and Metridia longa |
title_full |
Ontogenetic and seasonal variation in the diel vertical migration of the copepods Metridia lucens and Metridia longa |
title_fullStr |
Ontogenetic and seasonal variation in the diel vertical migration of the copepods Metridia lucens and Metridia longa |
title_full_unstemmed |
Ontogenetic and seasonal variation in the diel vertical migration of the copepods Metridia lucens and Metridia longa |
title_sort |
ontogenetic and seasonal variation in the diel vertical migration of the copepods metridia lucens and metridia longa |
publishDate |
1995 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.533.6615 http://www.aslo.org/lo/toc/vol_40/issue_8/1461.pdf |
genre |
North Atlantic Copepods |
genre_facet |
North Atlantic Copepods |
op_source |
http://www.aslo.org/lo/toc/vol_40/issue_8/1461.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.533.6615 http://www.aslo.org/lo/toc/vol_40/issue_8/1461.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
_version_ |
1766131909704810496 |