Mr Pierre Bruwer & Mr Lafras Bruwer farms in the Vryburg area and provides access to their farm for research in the IDESSA program.

Pierre and Lafras Bruwer, farms with cattle and game on  Lafras and Geluk in the Vostershoop area and are also participating in the IDESSA program. Prof. Klaus Kellner and his post graduate students normally compile grass sample trails, species composition and data on grazing capacity on their farms in order to study bush encroachment and its influence on grassing, invasive bush control and conduct research on climate change and relevant aspects on the ecology of the area.