Geological Formation Of The Nile Basin

Soil types in the basin

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According to the World Reference Base for Soil Resources (WRB), which is the international taxonomic soil classification system, Nile Basin has 17 dominant soil groups.

The characteristics of the soil groups are as tabulated in Annex A

The dominant soil group in the basin is vertisols (18.5%of the total basin area), followed by yermosols (16.7%).

Dominant Soil Area (km2) Percentage of Area
Acrisols 44,985 1.4
Andosols 7,267 0.2
Arenosols 284,955 9.0
Cambisols 224,354 7.1
Ferralsols 314,978 9.9
Fluvisols 115,040 3.6
Gleysols 55,855 1.8
Lithosols 235,957 7.4
Luvisols 73,978 2.3
Nitosols 159,521 5.0
Planosols 860 0.0
Podzoluvisols 3,930 0.1
Regosols 210,591 6.6
Solonchaks 5,330 0.2
Vertisols 587,655 18.5
Water bodies 91,303 2.9
Xerosols 228,120 7.2
Yermosols 530,263 16.7

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