Table 4 Summary of the characteristics of the eddy covariance sites, including the measurement height of the open-path gas analyser and selected soil physio-chemical properties taking from soil samples at 0.10 m

Location (Lat/Lon)

10.846^o N

10.918^o N

11.152° N

0.917^o W

1.321^o W

1.586° W

Elevation (m)

200.00

292.00

293.00

Management

Highly degraded used for grazing

Mixture of fallow and cropland

Nature reserve

EC height (m)

2.65

3.15

7.19

Average height of grass when fully grown after the rainy season (m)

0.10

1.00

3.00

Average canopy height of trees (m)

4.50

3.00

4.50

Land cover type

Short grass savanna

Tall grass savanna

Tall grass/shrub savanna

Soil texture

Loamy sandy

Loamy sandy

Sandy loam

Soil bulk density (g cm^-3)

1.41

1.42

1.42

Organic carbon (%)

1.60

0.62

3.30

Soil mineral (%)

51.74

52.84

50.30

C:N ratio

11.07

11.00

11.28

pH

5.79

6.13

6.37

Sand (%)

77.99

77.09

51.52

Silt (%)

16.34

20.05

38.93

Clay (%)

5.67

2.87

9.53