Parameter

Impact area

Non impact area

Impact area 10 to 75 m

Non impact area 10 to 75 m

pH

6.25 ± 0.25

6.43 ± 0.21

6.03 ± 0.16

5.96 ± 0.29

% Organic carbon

2.94 ± 0.70

3.42 ± 0.41

3.23 ± 0.51

3.02 ± 0.30

% Organic matter

5.08 ± 0.23

5.91 ± 0.03

5.58 ± 0.36

5.23 ± 0.42

% Sand

66.8 ± 4.10

74.7 ± 0.91

71.8 ± 6.84

76.3 ± 6.00

% Clay

14.1 ± 0.77

10.9 ± 1.41

13.0 ± 3.46

11.2 ± 4.03

% Silt

19.0 ± 0.30

14.4 ± 0.51

15.2 ± 3.38

12.5 ± 3.25