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At sample locations in the Swaziland Middleveld comparison of erosion severity class at two dates (1972 and 1990) shows where the incidence of erosion has decreased (stabilising sites) or increased (destabilising sites). The changes in erosion status are analysed in relation to on-site changes in vegetation, land use, path density, settlement density and land management practice (including soil conservation...
Quartz-diorite, diorite and granodiorite of Archaic ages are the most common rock types in the Swaziland Middleveld. The composition of the regolith cover is dominated by soil-saprolite complexes. The genetic and mineralogical gradient within the soil-saprolite complexes and the grade and spatial distribution of denudation of the land surface are important characteristics for evaluating the vulnerability...