Gensel, J, Humphries, MS, Zabel, M, Sebag, D, Hahn, A and Schefuß, E (2022) Origin, transport, and retention of fluvial sedimentary organic matter in South Africa's largest freshwater wetland, Mkhuze Wetland System. Biogeosciences, 19(11). 2881-2902. doi:10.5194/bg-19-2881-2022