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Table 2 Summary of water quality parameters collected at the Densu Delta Ramsar Site and Weija Lake, south-east coastal Ghana

From: Abundance and prey capture success of Common Terns (Sterna hirundo) and Pied Kingfishers (Ceryle rudis) in relation to water clarity in south-east coastal Ghana

Water quality parameters

Densu Delta Ramsar Site

Weija Lake

Range

Mean ± SD

Range

Mean ± SD

pH

6.63–8.84

7.83 ± 0.84

5.00–7.00

6.25 ± 0.75

Salinity (‰)

0.30–25.4

7.08 ± 9.37

0.10–0.20

0.19 ± 0.03

Conductivity (ms/cm)

0.61–40.07

11.70 ± 14.70

0.30–0.43

0.38 ± 0.04

Total dissolved solids (g/L)

0.38–24.30

7.17 ± 8.91

0.19–0.28

0.24 ± 0.03

Transparency (cm)

15.00–44.00

30.70 ± 10.66

35.00–51.00

44.58 ± 4.87

Turbidity (NTU)

41.00–146.00

88.58 ± 39.07

37.00–59.00

51.58 ± 7.18

  1. Mean ± SD values obtained from 3 replicate samples on the same day (~ the daily mean) within 4 plots of 1 ha in each wetland on 3 different days (n = 4 plots × 3 days = 12 spatio-temporal samples)