Occurrence of Toxic Cyanobacterial Blooms in Rio de la Plata Estuary, Argentina: Field Study and Data Analysis

Table 3

Parameters, goodness of fit measure and estimated frequency of Microcystis aeruginosa above specified values for each distribution function versus observed frequencies at each sampling site.

Sampling site	Distribution functions	Dist. parameters		Goodness of fit	Estimated counts above Nc from 2004–2006 data versus
					observed data 2007
		α	β	𝜒^2	Nc≤ 15000 cells mL^−1		Nc≤ 20000 cells mL^−1
					Estimated	Observed	Estimated	Observed
Station 1	Log-normal	9.4	0.8	7.6	6-7	5	4-5	5
	Extreme value	9850	11430	3.3	7-8		5-6
Station 2	Log-normal	10.1	1.3	5.9	9-10	9	8-9	9
	Extreme value	21470	43600	18.1	10-11		9-10
Station 3	Log-normal	10.1	0.9	11.1	10-11	9	8-9	9
	Extreme value	21440	21600	8.5	11-12		9-10