Systematic gully evaluation as a precondition for control.
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This paper examines some of the reasons for the low success rate in gully control and argues that a more careful examination of each situation and a greater understanding of the processes at work could lead to more successful interventions. It outlines a systematic evaluation of a gully erosion problem and analysis of the options for control or reclamation. Evaluation should involve assessment of the causes of gully formation, gully morphology, gully erosion/sedimentation processes, soil characteristics, land use in the vicinity, and catchment characteristics.