Abstract
SYNOPSIS Overland flow was found to be negligible on small plots at Jonkershoek in the Western Cape. Treatments such as the burning or hoeing of fynbos and the thinning of a plantation had no significant effect on this phenomenon and the lack of relationship between increasing rainfall and overland flow before and after treatment was surprising. Run-off from four small plots (0,08 ha) never exceeded 0,05 % of rainfall, even with large storms (> 125 mm) immediately after treatment. Results corroborate the argument that treatment per se is not a major source of overland flow, this being generated on “source areas”, roads and compacted areas. These results should nevertheless be viewed with great caution as they pertain to small plots on a highly permeable soil only.
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