The spread of invasive species is a threat to ecosystems worldwide. However, we know
relatively little about how invasive species affect the behaviour of native animals, even …

Forbs are important contributors to species diversity and ecosystem functions in low-latitude
grasslands, where they support diverse herbivore communities and millions of people …

Rhino horn is highly valued and this drives the illegal hunting of rhino. As a strategy to
counter rhino losses incurred through poaching, managers of African protected areas face …

Whether wild herbivores confer biotic resistance to invasion by exotic plants remains a key
question in ecology. There is evidence that wild herbivores can impede invasion by exotic …

Alien plants have invaded most ecosystem types (terrestrial, fresh water and marine) and
are responsible for the loss of irreplaceable natural services on which humankind relies …

Several weed species within the asteraceous tribe Eupatorieae, all with a neotropical origin,
are invasive in South Africa. Three of these form the subject of this review paper …

Endangered species, despite often living at low population densities, may undergo
unexpected density‐dependent feedbacks in the case of successful recovery or marked …

Biological invasions pose a significant threat to biodiversity, yet the severity and direction of
impacts differs between taxa. The non-native evergreen shrub Rhododendron ponticum has …

EXECUTIVE SUMMARY Parthenium hysterophorus L.(Parthenium), an annual to biennial
herbaceous plant, is well established in parts of the Kruger National Park (KNP). Over the …

In this thesis, I explored the impacts of invasive plants on animal behaviour, using the
invasion of Opuntia cacti in Laikipia County, Kenya, as a specific case study. In the opening …