Mutema , Macdex, and Vincent Chaplot. 2023. “Unit-Area Soil, Soil C and Nutrient Fluxes Decrease in the Downstream Direction of a River Basin: A Case of Thukela River Basin, South Africa”. Emerging Issues in Environment, Geography and Earth Science Vol. 3, November, 176-209. https://doi.org/10.9734/bpi/eieges/v3/6387B.