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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