Abstract
SUMMARY Accelerated erosion in South African forests and mountain catchments not only results in degradation of the productivity and aesthetic value of land, but also causes impairment of the quality of water from these areas. Multiple purpose management therefore requires primary concern for soil and water. Experience in the U.S.A. has shown that relatively inexpensive means are available for soil and water protection. Suggested remedies are: (1) advanced planning of access systems, (2) careful stabilisation of firebreaks and tracers, (3) zoning of catchments to delineate sensitive areas. Streamside management zones (SMZs) are proposed for zoning. The concept of the SMZ implies a concern for the pattern of activities over the natural drainage basin, since the pattern is often more important than the specific practice.
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