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A simple and inexpensive multiple tube system for thein situ measurement of phytoplankton production by the14C method
Authors:Neil Billington  Patrick Faire
Affiliation:(1) Department of Human Sciences (Ecology), University of Technology, Loughborough, Leicestershire, England;(2) Department of Botany, University of Zimbabwe, P.O. Box MP 167, Harare, Zimbabwe
Abstract:A cheap and simple multiple tube incubation system is described for the in situ measurement of phytoplankton production by the 14C method. Incubation takes place in Pyrex glass tubes sealed with rubber suba-seal caps which are suitable for field, laboratory and incubator work. Comparison of production in the tubes with that in standard pyrex bottles showed no significant difference during both field and laboratory incubations. The in situ suspension system is transported in units and can be assembled into lsquoladdersrsquo in the field.
Keywords:phytoplankton production  C14 method  incubation system  in situ measurements
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