Table 4 Turkey’s post hoc test results for the comparison of the water physicochemical characteristics between sites on the lakes and the rivers in the study area
Pairs for comparison | Widest or least difference | Difference | Standard error | t-statistic | P-values |
|---|---|---|---|---|---|
pH | |||||
Kahendero FLS (L. George) vs Port-Bell FLS (L. Victoria) | Widest | −2.534 | 0.343 | −7.39 | 0.000 |
Panyimur FLS (L. Albert) vs Katwe Salt (L. Edward) | Least | −1.113 | 0.335 | −3.32 | 0.045 |
Temperature | |||||
Katwe Salt FLS (L. Edward) vs Kayanzi FLS (L. Edward) | Widest | −7.500 | 0.982 | −7.64 | 0.000 |
Katwe Salt FLS (L. Edward) vs Kitwe FLS (L. Kyoga) | Least | −3.250 | 0.982 | −3.31 | 0.046 |
R. Mobuku vs R. Victoria Nile | Widest | 6.125 | 1.318 | 4.65 | 0.000 |
R. Mobuku vs R. Lhubiriha | Least | 4.133 | 1.318 | −3.14 | 0.038 |
Dissolved oxygen | |||||
Port-Bell FLS vs Hamukungu | Widest | −2.031 | 0.570 | −3.57 | 0.021 |
Port-Bell FLS vs Majanji | Least | −1.981 | 0.570 | −3.48 | 0.028 |
R. Lubigi vs R. Lhubiriha | Widest | −4.408 | 0.480 | −9.18 | 0.000 |
R. Victoria Nile vs R. Lhubiriha | Least | −1.702 | 0.480 | −3.54 | 0.012 |
Conductivity | |||||
Panyimur FLS (L. Albert) vs Kayanzi | Widest | 668.508 | 117.341 | 5.70 | 0.000 |
Kalolo FLS (L. Albert) vs Hamukungu (L. George) | Least | 393.258 | 117.341 | 3.35 | 0.041 |
R. Nyamugasani vs R. Mobuku | Widest | 882.933 | 37.880 | 23.31 | 0.000 |
R. Victoria Nile vs R. Lubigi | Least | − 319.684 | 37.880 | −8.44 | 0.000 |
Turbidity | |||||
Kahendero FLS (L. George) vs Majanji FLS (L. Victoria) | Widest | 169.024 | 33.684 | −5.02 | 0.000 |
Kahendero FLS (L. George) vs Port-Bell FLS (L. Victoria) | Least | 112.302 | 33.684 | −3.33 | 0.047 |
R. Sio vs R. Mobuku | Widest | 128.593 | 29.500 | 4.36 | 0.001 |
R. Nyamwamba vs R. Lubigi | Least | −98.032 | 29.500 | −3.32 | 0.025 |