Mixed grill: burning combinations of invasive and native plants helps us understand how invasive plants make fires hotter and more likely.
Wildfires are expected to increase in a warming world, but there is another way humans are changing the patterns and intensity of fires: by introducing flammable plants to new environments.
Invasive pine trees in the Western Cape have affected lizards causing their numbers to drop significantly.
Invasive plants have an impact on native species and unless these factors are properly understood, it is difficult to predict what sort of impact invasive plants will have.
Eugenia uniflora (flowers and young red leaves) a native Brazilian species, now invasive in Hawaii.
Forest & Kim Starr/Wikimedia
For mapping patterns of plant invasion from the sky, understanding plant behaviour on the ground and using it along with remote sensing cameras, is crucial.
Managing trout is a contentious issue with conflicting views about whether they pose a risk, or are beneficial.
Regulating species in South Africa is difficult. But identifying those creating the greatest tension, would shift focus on the most destructive species.
The larger grain borer beetle attacks crops like maize and cassava, threatening food security.
Many alien plants and animals have been introduced to Africa from other regions and spread from country to country, often having devastating effects.