The objective of these data layers was to map the South African demersal trawl intensity. All commercial trawl logbook records between 2005 and 2018 were obtained from DFFE. As demersal trawling was the focus, data were restricted to demersal trawls. Following this selection, the 2005-2018 dataset consisted of 673 037 trawl events. A sequence of data cleaning and correction followed: Records lacking spatial coordinates were removed and obvious errors such as negative longitudes or positive...