A NEW METHOD FOR CONCENTRATING PHYTOPLANKTON BY FILTRATION WITH CONTINUOUS STIRRING1

Open Access

1 May 1972

journal article
Published by Wiley in Limnology and Oceanography

Vol. 17 (3) , 490-493
https://doi.org/10.4319/lo.1972.17.3.0490

Abstract

Phytoplankton (both natural populations and cultures) have been concentrated 20‐fold to 200‐fold by passage through an ultrafiltration cell with continuous magnetic stirring. Conditions yielding maximum recovery of physiologically active phytoplankton have been developed. Recovery of ¹⁴C‐carbon dioxide assimilation activity was comparable to that of chlorophyll, generally varying from 55–75% for natural populations and from 70–95% for cultures.

Keywords

PHYTOPLANKTON
ULTRAFILTRATION
CHLOROPHYLL
NATURAL POPULATIONS
PASSAGE
FOLD
ASSIMILATION
14C
DIOXIDE
STIRRING1

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