Measuring the filtration efficiency of the Continuous Plankton Recorder

The Continuous Plankton Recorder (CPR) survey has analysed over 160 000 plankton samples taken in the North East Atlantic over the last 60 years. However, flowmeters have not been routinely fitted to the recorders and there has been the implicit assumption that a CPR sample represents the organisms...

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Bibliographic Details
Published inJournal of plankton research Vol. 20; no. 10; pp. 1963 - 1969
Main Authors Walne, A.W., Hays, G.C., Adams, P.R.
Format Journal Article
LanguageEnglish
Published Oxford Oxford University Press 1998
Subjects
Animal, plant and microbial ecology
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
General aspects. Techniques
Methods and techniques (sampling, tagging, trapping, modelling...)
ANE, North Atlantic
Instrumentation
Recorder
Filter feeder animal
Measurement method
Zooplankton
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Summary:The Continuous Plankton Recorder (CPR) survey has analysed over 160 000 plankton samples taken in the North East Atlantic over the last 60 years. However, flowmeters have not been routinely fitted to the recorders and there has been the implicit assumption that a CPR sample represents the organisms filtered from 3 m3 of sea water. We describe an electromagnetic flowmeter designed for the CPR and present results which show that on occasions the filtered volume per sample varied significantly from this value.
Bibliography:ArticleID:20.10.1963
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content type line 23
ISSN:0142-7873
1464-3774
DOI:10.1093/plankt/20.10.1963