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A unified classification of alien species based on the magnitude of their environmental impacts
Species moved by human activities beyond the limits of their native geographic ranges into areas in which they do not naturally occur (termed aliens) can cause a broad range of significant changes to recipient ecosystems; ...
Contrasting impact of invasive alien sport fish in the Cape Floristic Region : a focus on Micropterus dolomieu
(Stellenbosch : Stellenbosch University, 2014-12)
ENGLISH ABSTRACT: The number of introductions of alien species is on the rise globally. The resulting impacts on the invaded environments are diverse and often contrasting. Many deliberately introduced species have positive ...
How repeatable is the Environmental Impact Classification of Alien Taxa (EICAT)? Comparing independent global impact assessments of amphibians
(Wiley Open Access, 2017-03)
The magnitude of impacts some alien species cause to native environments makes them targets for regulation and management. However, which species to target is not always clear, and comparisons of a wide variety of impacts ...
Competition and feeding ecology in two sympatric Xenopus species (Anura: Pipidae)
The widespread African clawed frog (Xenopus laevis) occurs in sympatry with the IUCN Endangered Cape platanna (Xenopus gilli) throughout its entire range in the south-western Cape, South Africa. In order to investigate ...