Land management is shown to have a direct influence on the water obtained from a catchment area. Forestry is a major land use in this country and occupies critical portions of many catchments in which water and erosion control are the primary objects of management. Examples are given of the effect of forestry on precipitation, water yield, purity and flood control. Although attention has so far been centred largely on flood and erosion control, these other matters will receive increasing attention as the population and industrialization of this country increases. (no keywords)
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