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). |