Gullying within wetlands in Zimbabwe : morphological characteristics of gullies
Argile minéral ; Dambo ; Propriétés du sol ; Ravinement ; Ruissellement ; Zimbabwe ; Zone intertropicale
Clay mineral ; Gully erosion ; Rill wash ; Soil properties ; Tropical zone ; Zimbabwe
The morphology of dambo gullies is examined with particular reference to ten gully systems in the Chikwakwa-Mangwende area in north-east Zimbabwe. Localised piping is related to clay-rich, slightly sodic subsoils in columnar dambo profiles, while
Conservation status of wetlands in Zimbabwe : past and present
Agriculture ; Aptitude culturale ; Conservation des sols ; Erosion des sols ; Exploitation agricole ; Géographie de l'Afrique ; Législation ; Milieu humide ; Système de culture ; Utilisation du sol ; Zimbabwe