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Ongoing invasions of the African clawed frog, Xenopus laevis: a global review
X. laevis is a cryptic invasive species that is likely to increase its invasive distribution, through new introductions and by the spread of ongoing invasions, and many more invasive populations are likely to exist than are currently recognised.
Diet of feral Xenopus laevis (Daudin) in South Wales, U.K.
- G. Measey
- Environmental Science
- 1 November 1998
Mean sizes of daphnids and cyclopods were consistently larger in frog stomach contents than in the water column, indicating that predation on zooplankton by Xenopus laevis is size-selective.
Field Guide to Amphibians of the Eastern Arc Mountains and Coastal Forests of Tanzania and Kenya
The region has two distinct habitats the Coastal Forests and the Eastern Arc Mountains. Together, they harbor at least 1,500 plant species found nowhere else, as well as unique mammals, birds,…
Dispersal to or from an African biodiversity hotspot?
Latitudinal expansion occurred early in the evolutionary history of A. xenodactyloides, which may indicate that physiological adaptation facilitated its wide geographic distribution, and is compared with contrasting hypotheses of latitudinal range expansion using bayes factors.
Historical perspectives on global exports and research of African clawed frogs (Xenopus laevis)
Trade in live animals has been associated with populations of invasive species as well as the spread of disease. The African clawed frog, Xenopus laevis, was exported from its native region of…
A general framework for animal density estimation from acoustic detections across a fixed microphone array
- B. Stevenson, D. Borchers, R. Altwegg, René J. Swift, Douglas M. Gillespie, G. Measey
- Computer Science
- 1 January 2015
The analysis of the A. lightfooti data provides the first statistically rigorous estimate of calling male density for an anuran population using a microphone array, and it is shown that using TOA information can substantially improve estimate precision.
Invasive populations of Xenopus laevis (Daudin) in Chile
Stomach contents of a sub-sample of animals revealed a diet consisting primarily of zoobenthic and zooplanktonic components, and significant bias in the sex ratio of animals caught at each site suggests that the populations of X. laevis may be even larger.
Distribution and establishment of the alien Australian redclaw crayfish, Cherax quadricarinatus, in South Africa and Swaziland
It is demonstrated that C. quadricarinatus is established in South Africa and Swaziland and that the species has spread, not only within the river where it was first introduced, but also between rivers.
Morphology, ornaments and performance in two chameleon ecomorphs: is the casque bigger than the bite?