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
Main Authors: A Walne, Graeme Hays, P Adams
Format: Other Non-Article Part of Journal/Newspaper
Language:unknown
Published: 1998
Subjects:
Ecology
Zoology
Science & Technology
Life Sciences & Biomedicine
Physical Sciences
Marine & Freshwater Biology
Oceanography
NORTH-SEA
ZOOPLANKTON
ENVIRONMENT
ATLANTIC
North East Atlantic
Online Access:http://hdl.handle.net/10536/DRO/DU:30058270
https://figshare.com/articles/journal_contribution/Measuring_the_filtration_efficiency_of_the_Continuous_Plankton_Recorder/20953744
Description
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.

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