A rapid Utermöhl method for estimating algal numbers

Rosemary Paxinos, James G. Mitchell

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

The standard method for counting phytoplankton requires 24-48 h of settling (Utermöhl, 1931). The modified Utermöhl method (plunger) described here reduces settling time to 2 h. Estimates of counts for phytoplankton using the plunger method plotted against counts from the Utermöhl method yield a good correlation (r2 = 0.97), and 95-100% of species (>2 μm) recorded in the Utermöhl method were recorded with the plunger method.

Original languageEnglish
Pages (from-to)2255-2262
Number of pages8
JournalJournal of Plankton Research
Volume22
Issue number12
DOIs
Publication statusPublished - Dec 2000

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