Detection of Free-Living Amoebae Using Amoebal Enrichment in a Wastewater Treatment Plant of Gauteng Province, South Africa

Table 2

Water temperature and pH during sampling for different seasons.

Sampling season	Sample number	Water temperature (°C)		Water pH
		Range	Mean	Range	Mean
Autumn	41	12.6–22.9	18.3^a	6.33–7.90	7.19
Winter	43	6.6–18.2	12.5^b	6.65–8.13	7.28
Spring	44	12.7–23.6	20.6^c	6.67–7.76	7.20
Summer	44	21.8–27.7	25.3^d	6.77–7.70	7.18
Probability ()			<0.001^e		NS

a, b, c, and d: mean values in the same column not sharing the same superscript are statistically significantly different < 0.0001.
e: values of <0.001.
NS: not statistically significant difference.