Occurrence of Harmful Algal Blooms in Freshwater Sources of Mindu and Nyumba ya Mungu Dams, Tanzania

Table 5

Descriptive statistics for water quality parameters in Nyumba ya Mungu and Mindu Dams.

Parameters	Site
	Nyumba ya Mungu Dam; (N = 21)	Mindu Dam; (N = 21)	value
Chl-a	6.37 ± 4.66^a	13.2 ± 9.07^b	0.008
PO4	0.658 ± 0.154^a	0.583 ± 0.196^a	0.2084
NO3	0.495 ± 0.624^a	1.38 ± 0.912^b	<0.001
pH	9.42 ± 0.0707^a	11.6 ± 17.6^b	<0.001
Temp	25.2 ± 1.38^a	23.5 ± 1.60^b	0.002
DO	12.8 ± 3.00^a	5.30 ± 0.870^b	<0.001
Turbidity	6.83 ± 3.84^a	18.6 ± 2.73^b	<0.001
EC	673 ± 12.0^a	225 ± 3.97^b	<0.001
TDS	363 ± 15.5^a	125 ± 3.06^b	<0.001

Rows sharing the same letter within each parameter are not significantly different from each other ().