Fig. 2
From: Occurrence of toxic blooms of Microcystis aeruginosa in a central Chilean (36° Lat. S) urban lake

a Temporal variation of Microcystis aeruginosa population and total microcystin concentrations (MC). b Different congeners. c MC cellular quota in the urban lake Lo Galindo. S: scums blooms, D: dispersive blooms, A: absence