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Table 5 Mean, mean standard error and range of the physicochemical parameters in wet season season (Temp for temperature in oC; DO for dissolved oxygen in mg L−1; pH for H+ concentration; EC for electrical conductivity in μS cm−1; TDS for total dissolved solids in mg L−1; SD for secchi depth in cm; TA for total alkalinity, mg L−1; Turbidity in NTU)

From: Assessment of spatio-temporal variations of selected water quality parameters of Lake Ziway, Ethiopia using multivariate techniques

Site

Temp

DO

pH

EC

TDS

SD

TA

B

x̄ ± Std. Err

22 ± 0.5

4.72 ± 0.4

8.59 ± 0.1

274.5 ± 9

175.7 ± 58.2

15.3 ± 0.3

207 ± 6.3

Range

21.5–23

4.27–5.4

8.4—8.7

176—456

113–292

15–16

200–220

C

x̄ ± Std. Err

21.2 ± 0.3

4.75 ± 28

8.57 ± 0.1

218 ± 44

147.8 ± 37

17.3 ± 0.7

168 ± 6.1

Range

20.7–22

4.4–5.3

8.4–8.7

173–306

110–222

16–18

160–180

Fa

x̄ ± Std. Err

22 ± 0.6

4.4 ± 0.3

8.78 ± 0.5

353 ± 89

226 ± 56

18.6 ± 0.7

172 ± 14

Range

20.8–23

3.95–4.8

7.9–9.7

187–488

120–312

18–20

148- 196

Fb

x̄ ± Std. Err

21 ± 1.6

6.2 ± 0.7

8.53 ± 0.1

370 ± 98

216 ± 84

19.6 ± 0.7

250 ± 111

Range

18–24

4.9–7.2

8.3–8.7

175–478

49–306

19–21

120–472

Ka

x̄ ± Std. Err

22 ± 0.3

3.1 ± 0.3

8.4 ± 0.1

230 ± 41.4

180 ± 32

16–1.2

117–35

Range

20—27

2.4 -3.5

8.3–8.5

183–312

117–221

14–18

80–188

Kb

x̄ ± Std. Err

20 ± 0.2

2.6 ± 0.6

7.78 ± 0.2

101 ± 17.9

65 ± 11.7

17.3 ± 0.9

72.3 ± .3

Range

20–21

1.4–3.6

7.5–8.3

65–120

42–78.3

16–19

72–73

Ko

x̄ ± Std. Err

22.5 ± 0.9

4.8 ± 0.3

8.7 ± 0.1

381 ± 101

234 ± 61

18.3 ± 0.9

175 ± 14.6

Range

21–24

4.35–5.3

8.5–8.8

179–496

116–318

17.-20

146–190

Ma

x̄ ± Std. Err

23 ± 0.1

3.9 ± 0.1

8.6 ± 0.1

273 ± 49

153 ± 21.3

17 ± 1.2

130 ± 24.9

Range

22–23

3.7–4.1

8.6–8.61

176–337

113–185

15–19

100–180

Mb

x̄ ± Std. Err

20.4 ± 0.7

4.8 ± 0.8

7.4 ± 0.5

120 ± 3

77 ± 1.9

18 ± 1.7

100 ± 20

Range

19.5–22

3.4–5.8

6.5–8.3

115–126

73.7–80.4

15–21.0

60–120