Author:Prince, SD; Wessels, Konrad J; Tucker, CJ; Nicholson, SEDate:Jul 2007In semiarid regions the ratio of annual net primary production to precipitation, rain-use efficiency (RUE), has been used as an index of desertification. In a recent publication (Hein & de Ridder, 2006) it was proposed that an incorrect ...Read more
Author:Wessels, Konrad J; Steenkamp, Karen C; Von Maltitz, Graham P; Archibald, SDate:Feb 2011What are the patterns of remotely sensed vegetation phenology, including their inter-annual variability, across South Africa? What are the phenological attributes that contribute most to distinguishing the different biomes? How well can the ...Read more
Author:Mdutyana, M; Thomalla, Sandy J; Philibert, R; Ward, BB; Fawcett, SEDate:Jul 2020Net primary production (NPP) fueled by nitrate is often equated with carbon export, providing a metric for CO2 removal to the deep ocean. This “new production paradigm” assumes that nitrification, the oxidation of regenerated ammonium to ...Read more