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Table 1 Environmental characteristics of the samples from five rivers in the four seasons throughout the year

From: Seasonal changes in microbial community composition in river water studied using 454-pyrosequencing

Season Locality Temperature (°C) pH Oxygen saturation (%) Chlorides (mg/L) Dissolved particles (mg/L) Phosphorus (mg/L) Nitrogen (mg/L) Sulphates (mg/L) Nitrates (mg/L) Nitrites (mg/L) Turbidity (ZFn) Dissolved oxygen (mg/L)
Winter 1 2.7 8.2 99 95.3 683 0.178 4.96 120 0.128 19.5 7.21 12.9
2 2 7.9 102 54.3 324 0.149 8.81 45 0.145 38.1 17.8 13.6
3 1.6 7.9 102 93.7 412 0.18 9.81 50.2 0.184 41.6 20.8 13.7
4 2.2 8.2 104 120 778 0.214 6.45 88.1 0.105 28.6 4.83 13.7
5 1.7 8.2 97 30.2 249 0.103 7.09 52 0.112 30.2 9.75 13
Spring 1 12 8 93 40 575 0.347 4.65 84.5 0.233 15.2 43.9 9.8
2 11.3 8 104 28.7 266 0.198 3.52 42 0.115 19.5 44.2 11.1
3 12 8 99 56 350 0.262 4.95 53.3 0.131 19.2 46.1 10.4
4 11.5 8.2 98 60.9 557 0.265 4.94 79.5 0.118 18.8 71.8 10.4
5 12.1 7.7 91 15.9 230 0.12 4.71 36.2 0.171 17.8 10.1 9.6
Summer 1 14.2 8.3 81 33 566 0.472 4 48 0.443 13.5 6.34 8.2
2 14.5 8.2 97 23.7 248 0.194 3.53 44 0.062 14.1 7.38 9.7
3 13.6 8.2 100 57.4 400 0.4 4.22 50.8 0.026 17.6 12.2 10.2
4 14.8 8.4 103 22.6 695 0.599 5.75 55 0.082 24.7 23.5 10.2
5 20 8.1 71 15.8 197 0.028 5.01 46.1 0.663 10.8 8.08 6.3
Autumn 1 7 8 90 70.5 648 0.278 4.56 98 0.2 18.5 16 10.7
2 6.8 8.3 96 28 253 0.141 3.87 44.1 0.066 15.1 5.24 11.3
3 6.2 8.3 100 53.8 362 0.183 5 53.9 0.069 20.5 5.1 11.8
4 6.9 8 94 92 730 0.553 7.23 91.4 0.174 27.1 8.45 11.1
5 7.5 8 82 19.6 205 0.053 2.81 44.5 0.099 10 6.52 9.6