Background and aims - The grasslands of southern Africa are threatened by habitat transformation and invasive alien species. However, the resultant plant species loss per unit area cannot be quantified, as the true richness ...

The Limpopo Province in South Africa is richly endowed with thermal springs. Some have been developed for recreational, tourism or other purposes, while a number remain completely undeveloped. If the full economic potential ...

Objectives: Dichlorodiphenyltrichloroethane (DDT) was used worldwide until the 1970s, when concerns about its toxic effects, its environmental persistence, and its concentration in the food supply led to use restrictions ...