Study area

Upper Agneby watershed

Parameters

Classes

Rating

weight

Slope (%)

<3

1

0.47

3 - 7

2

<7

3

Annual runoff (mm)

170.53

3

0.09

179.77

3

183.70

3

193.45

3

193.45

3

Drainage density (km/km2)

<45

1

0.04

45 - 65

2

<65

3

Soil type

Typical highly desaturated ferralitic soils

1

0.17

Lowly desaturated ferralitic soils

2

Hydromorphic gley and pseudogley soils

3

Land use

Water

1

0.23

Degraded forest

1

Habitas/bare ground

2

Mosaic crop/fallow land

3

Industrial crop

4