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oapen-20.500.12657-606512024-03-27T14:15:03Z Relating the South African soil taxonomy to the World Reference Base for soil resources van Huyssteen, Cornie World Reference Base (WRB) USDA Soil Taxonomy soil classification systems diagnostic horizons dystrophic mesotrophic eutrophic organic O horizon base saturation South African soil taxonomy thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RB Earth sciences::RBG Geology, geomorphology and the lithosphere::RBGB Sedimentology and pedology The South African Taxonomic soil classification system (SAT) is well established and utilised in South Africa. However, it is not internationally well known and therefore the need arose to provide a tool by which South African soil taxonomists can convert South African soil classifications and profile descriptions to the international classifications of the World Reference Base (WRB) for soil resources. The diagnostics and tacit knowledge presented in this publication are therefore based on the SAT and the WRB. When necessary, further substantiation was derived from the Land Type Survey of South Africa. The adopted procedure is effective in providing a reasonable classification based on the South African soil forms and families, while excluding certain WRB soil groups and qualifiers, because these are irrelevant to South African taxonomy. Lastly, this publication also highlights some peculiarities, omissions and inconsistencies observed between the SAT and WRB. 2023-01-12T13:59:22Z 2023-01-12T13:59:22Z 2020 book ONIX_20230112_9781928424666_33 9781928424673 https://library.oapen.org/handle/20.500.12657/60651 eng application/pdf Attribution-NonCommercial 4.0 International document.pdf UJ Press UJ Press 10.18820/9781928424666 10.18820/9781928424666 b166ea55-2ec8-4e5c-98ed-c27d3909a50b 9781928424673 UJ Press 134 Bloemfontein open access
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The South African Taxonomic soil classification system (SAT) is well established and utilised in South Africa. However, it is not internationally well known and therefore the need arose to provide a tool by which South African soil taxonomists can convert South African soil classifications and profile descriptions to the international classifications of the World Reference Base (WRB) for soil resources. The diagnostics and tacit knowledge presented in this publication are therefore based on the SAT and the WRB. When necessary, further substantiation was derived from the Land Type Survey of South Africa. The adopted procedure is effective in providing a reasonable classification based on the South African soil forms and families, while excluding certain WRB soil groups and qualifiers, because these are irrelevant to South African taxonomy. Lastly, this publication also highlights some peculiarities, omissions and inconsistencies observed between the SAT and WRB.
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