Profile number (site)

Location

Land use/Vegetation

Physiography

Relief/

Elevation (m)

Parent material

Classification

(IUSS Working Group WRB, 2015)

Profile 1

Lake Manengouba series.

Lat. 5˚02'14.6"N, Long. 9˚49'34.4"E

Herbaceous (short grassland vegetation) with patches of shrubs. Dominant grass species is the “cow grass”.

25% - 30% (Moderately steep). General gradient into the lake is very steep (60% - 70%) marked by intermediate V-shaped valleys. Good internal and external drainage. Signs of geologic erosion (slight).

Highland

1964

Block tephra

Eutric silandic Andosol (colluvic, loamic)

Profile 2

Top of the rim of the first caldera (external caldera) on Mount Manengouba.

Lat. 5˚02'44.1"N, Long. 9˚48'53.4"E

Herbaceous and shrubs. Grassland vegetation with “cow grass” as dominant species. Touristic site, sightseeing, grazing land for cattle.

Highland, undulating landscape with varying slopes from 0% - 1% (flat to nearly level) to about 70% (very steep) slopes. Rim of caldera composed of intermittent hills and valleys, and micro-relief of beds about 2 × 2 m in size.

Highland 1935

Lapilli tephra

Eutric skeletic silandic Andosol (fragic, hyperhumic, loamic)

Profile 3

Bangem series, cultivated farmland

Lat. 5˚05'27.7"N, Long. 9˚45'58.5"E

Farmland used for cultivation of coffee (Coffea spp.), plantain and banana (Musa spp.), plum (Dacryodes edulis), African oil palm (Elaeis guineensis), taro (Colocascia esculenta) and cassava (Manihot esculenta).

Mountainous and undulating landscape, 10% - 15% slope (Strongly sloping).

Highland

1155

Block tephra

Dystric aluandic Cambisol (humic, loamic, tephric)

Profile 4

Kupe series (at foot of mount Kupe)

Lat. 4˚45'05.4''N, Long. 9˚41'32.1''E

Cultivated farmland: Cocoa (Theobroma cacao) farm with presence of the African oil palm (Elaeis guineensis), cocoyam (Colocasia esculenta), plum (Dacryodes edulis), variety of herbs, and some forest tree species.

Mountainous and undulating landscape. 10% - 15% slope (Strongly sloping). Good drainage, no signs of erosion.

Graben

583

Block and lapilli tephra

Eutric skeletic silandic Andosol (fragic, loamic)

Profile 5

Essossong series, virgin forest

Lat. 4˚51'25.0''N, Long. 9˚43'32.3''E

Montane forest with a variety of forest trees, marantaceae, herbs, etc.

Mountainous and undulating landscape. Good drainage. No signs of erosion. 10% - 15% slope (strongly sloping).

Highland

1030

Block and lapilli tephra

Eutric Akroskeletic silandic Andosol (colluvic, hyperhumic, loamic)

Profile 6

Loum forest reserve

Lat. 4˚43'53.2"N, Long. 9˚42'06.2"E

Protected forest. Variety of forest trees. Protected forest under exploitation for farming.

Undulating lowland with patches of rock outcrops, 15% - 20% slope (moderately steep).

Graben

465

Block and lapilli tephra

Eutric silandic Andosol (colluvic, loamic).