1. Turpie, J., Botha, P., Coldrey, K., Forsythe, K., Knowles, T., Letley, G., Allen, J. and De Wet, R. (2019) Towards a Policy on Indigenous Bush Encroachment in South Africa. Department of Environmental Affairs, Pretoria.
2. Prescribed fire as a tool for managing shrub encroachment in semi-arid savanna rangelands
3. Remote Sensing of Bush Encroachment on Commercial Cattle Farms in Semi-Arid Rangelands in Namibia
4. Do we understand the causes of bush encroachment in African savannas?
5. Warren, K., Hugo, W. and Wilson, H. (2018) Preliminary Report and Data on Bush Encroachment and Land Cover Change, Released to DEA Consultants and Selected Collaborators. Data Is Subject to Quality Assurance and Review. Department of Environment, forestry and Fisheries, Pretoria.