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Wavelengths of bioconvection patterns

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JournalJournal of Experimental Biology
DatePublished - May 1997
Issue number10
Volume200
Number of pages12
Pages (from-to)1515-1526
Original languageEnglish

Abstract

Bioconvection occurs as the result of the collective behaviour of many micro-organisms swimming in a fluid and ts realised as patterns similar to those of thermal convection which occur when a layer of water is heated from below. A methodology is developed to record the bioconvection patterns that are formed by aqueous cultures of the single-celled alga Chlamydomonas nivalis. The analysis that is used to quantify the patterns as a function of cell concentration, suspension depth and time is described and experimental results are presented.

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