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Diel vertical migration behaviour of Calanus hyperboreus at temperate latitudes

Hays, G.C. 1995, Diel vertical migration behaviour of Calanus hyperboreus at temperate latitudes, Marine ecology progress series, vol. 127, pp. 301-304.

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Title Diel vertical migration behaviour of Calanus hyperboreus at temperate latitudes
Author(s) Hays, G.C.
Journal name Marine ecology progress series
Volume number 127
Start page 301
End page 304
Total pages 4
Publisher Inter-Research
Place of publication Oldendorf, Germany
Publication date 1995-11-02
ISSN 0171-8630
1616-1599
Keyword(s) Calanus hyperboreus
Diel vertical migration
Atlantic
Arctic
Continuous Plankton Recorder
CPR
Summary Samples historically collected and analysed by the Continuous Plankton Recorder survey in the North Atlantic and adjacent seas were used to examine temporal patterns in the near-surface abundance of copepodite stages V and VI Calanus hyperboreus (n = a total of 32836 samples; mean latitude of samples = 54* N, SD = 6.7*). The occurrence of CV and VI C. hyperboreus was largely restricted to samples collected in April, May and June. During this period there was a diel cycle in near-surface abundance which was consistent with a normal pattern of diel vertical migration. For example, CV-VI C. hyperboreus were 1.9 times more abundant at night than during the day, a difference which was highly significant (t-test, t5072 = 3.9, p < 0.001). The ratio of night:day abundance was similar in CV-VI C. finmarchicus (night:day abundance = 1.4), but markedly higher in CV-VI Metridia lucens (night:day abundance = 12.3) and CV-VI M. longa (night:day abundance = 15.0).
Language eng
Field of Research 069999 Biological Sciences not elsewhere classified
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C4.1 Letter or note
Copyright notice ©1995, Inter-Research
Persistent URL http://hdl.handle.net/10536/DRO/DU:30058280

Document type: Journal Article
Collections: School of Life and Environmental Sciences
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