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Abstract
This paper discusses the concept of erodibility being one of the main parameters needed for erosion risk assessments as well as presents some measurements of erodibility in the savanna ecosystem, northern Ghana, based on three different indices: aggregate stability, shear strength, and the Consistency Index. The study revealed that the overall erodibility of these soils is high and that the factors affecting erodibility within the savanna ecosystem seems to be different from what is determining erodibility in other environments. It further indicates that no simple erodibility ranking can be defined which is valid for all erosional processes.