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(a) Summed anatoxin (i.e., the total of the four congeners; anatoxin-a, homoanatoxin-a, dihydro-anatoxin-a, and dihydro-homoanatoxin-a); (b) concentrations of anaC copy numbers; and (c) anatoxin quotas from three Phormidium mat samples (A,B,C) collected from the Cardrona River on 10 and 11 April 2017. dw = dried weight. Note the different y-axis scales.
