Evaluating Several Vegetation Indices Derived from Sentinel-2 Imagery for Quantifying Localized Overgrazing in a Semi-Arid Region of South Africa. - Christiaan J. Harmse; Hannes Gerber; Adriaan Van Niekerk (Remote. Sens., 2022)

Spectral Discrimination of Common Karoo Shrub and Grass Species Using Spectroscopic Data. - Christiaan J. Harmse; Adriaan Van Niekerk (Remote. Sens., 2024)