Search Results - "Harmse, Christiaan J."

Evaluating Several Vegetation Indices Derived from Sentinel-2 Imagery for Quantifying Localized Overgrazing in a Semi-Arid Region of South Africa by Harmse, Christiaan J., Gerber, Hannes, van Niekerk, Adriaan

“…Rangeland monitoring aims to determine whether grazing management strategies meet the goals of sustainable resource utilization. The development of sustainable…”
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Restoring productive rangelands: A comparative assessment of selective and non-selective chemical bush control in a semi-arid Kalahari savanna by Harmse, Christiaan J., Kellner, Klaus, Dreber, Niels

“…The chemical control of thickened woody savanna layers is a common practice applied in southern Africa to release the grass layer from competitive pressure and…”
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Disc pasture meter calibration to estimate grass biomass production in the arid dunefield of the south-western Kalahari by Harmse, Christiaan J, Dreber, Niels, Trollope, Winston SW

“…The disc pasture meter (DPM) is a tool that is widely used to estimate aboveground standing grass biomass (ASB) in a rapid and non-destructive manner…”
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Effect of stocking density on vegetation and animal performance within the semi-arid shrublands of the Karoo, South Africa by Harmse, Christiaan J, Gerber, Hannes J

“…As the primary land use in the Karoo, extensive small-stock farming contributes significantly towards the agricultural economy of the region. However, the…”
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Trend analysis of long-term rainfall data in the Upper Karoo of South Africa by Harmse, Christiaan J., Du Toit, Justin C. O., Swanepoel, Annette, Gerber, Hannes J

“…Rainfall and stocking densities are key drivers of vegetation functioning and productivity in semi-arid regions. Below-average rainfall is of particular…”
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