Work rates for control actions in relation to weed cover for different growth habits in KwaZulu Natal, South Africa. Values for each habit are averages for different control methods, calculated from data in Goodall and Naudé (1998). Maintenance control, as defined by the authors, is that undertaken at 0–5% infestation cover.

  Part of: Panetta FD, Gooden B (2017) Managing for biodiversity: impact and action thresholds for invasive plants in natural ecosystems. NeoBiota 34: 53-66.