Species

Reaumuria

Retama

Zygo

Reaumuria

Retama

Zygo

Reaumuria

Retama

Zygo

Reaumuria

Retama

Zygo

Depth

20 cm

40 cm

Site

Upstream

Midstream

Upstream

Midstream

V. fine gravel %

27.28

8.28

0.08

27.57

0.00

2.86

1.70

27.75

20.38

15.59

16.65

23.21

V. coarse sand %

19.96

9.05

0.18

14.05

0.03

9.56

2.98

21.38

24.71

8.81

13.05

11.86

Coarse sand %

17.10

9.31

0.31

7.14

0.18

8.72

4.19

20.37

15.88

8.85

10.65

9.70

Medium sand %

12.05

13.64

2.89

7.45

29.44

6.75

5.82

18.58

14.88

13.33

26.18

11.32

Fine sand %

13.32

35.54

51.56

20.84

55.82

24.70

14.74

10.92

16.61

31.29

30.54

15.17

V. fine sand %

8.04

19.39

37.19

15.33

12.23

28.66

40.59

0.85

5.52

17.99

2.21

18.67

Silt & Clay %

2.25

4.79

7.79

7.62

2.30

18.75

29.98

0.15

2.02

4.14

0.72

10.07

pH

7.63

7.76

7.34

6.63

8.03

7.80

8.26

8.14

8.11

7.35

8.66

7.70

EC dS∙m−1

13.00

2.28

3.53

22.33

1.15

0.72

3.83

1.08

2.43

1.52

0.37

2.19

Na+ meq/L

114.0

10.18

25.41

178.2

3.22

2.62

26.22

4.49

12.19

3.12

2.24

3.04

K+ meq/L

2.12

0.36

0.49

1.93

0.39

0.29

0.68

0.23

0.58

0.29

0.02

0.22

Ca2+ meq/L

41.00

8.18

4.87

68.04

5.13

2.16

8.74

4.49

5.18

7.98

0.67

8.64

Mg2+ meq/L

19.50

4.09

4.53

41.58

2.80

2.16

2.66

1.63

6.33

3.80

0.67

9.92

Cl meq/L

113.6

15.59

25.59

264.6

3.65

2.46

22.72

5.19

13.52

2.98

1.49

2.20

meq/L

61.19

6.54

6.93

20.83

6.94

2.96

14.44

5.02

9.59

10.69

1.96

18.82

meq/L

1.0

0.0

0.7

0.7

0.0

1.1

0.00

0.00

0.00

0.00

0.00

0.38

meq/L

1.14

0.61

1.15

0.80

0.14

1.14

0.8

0.7

2.1

1.1

0.9

3.2