Diatom of the month - February 2016: Cyclotella meneghiniana
by Luca Marazzi* ‘Who’ is it and where does it live? This centric diatom’s c ells are drum-shaped, the valve diameter and the density of marginal striae are highly variable. Cyclotella meneghiniana is a rather cosmopolitan species; in tropical freshwaters, it is associated with various water depths and salinity 1 , and, in temperate regions, it is a typical planktonic taxon in the late summer-autumn 2 . In North America, this species can cope with a wide range of conditions, for example from freshwater to saline waters in the Great Plains lakes 3 . a) b) Cyclotella meneghiniana , with a) chloroplasts and b) silica frustule after ‘chemical digestion’. Source : http://fcelter.fiu.edu/data/database/diatom/index.htm ...

Comments
Post a Comment