S. W. Todd

A National Review of Land Degradation in South Africa: The Influence of Biophysical and Socio-economic Factors

M. Timm Hoffman, M. Hoffman, S. Todd, 2000 .

A fence-line contrast reveals effects of heavy grazing on plant diversity and community composition in Namaqualand, South Africa

M. Hoffman, S. Todd, M. T. Hoffman, 1999, Plant Ecology.