132 Works

Data from: Making use of multiple surveys: estimating breeding probability using a multievent-robust design capture-recapture model

W. Chris Oosthuizen, Roger Pradel, Marthán N Bester & P.J. Nico De Bruyn
Increased environmental stochasticity due to climate change will intensify temporal variance in the life-history traits, and especially breeding probabilities, of long-lived iteroparous species. These changes may decrease individual fitness and population viability and is therefore important to monitor. In wild animal populations with imperfect individual detection, breeding probabilities are best estimated using capture-recapture methods. However, in many vertebrate species (e.g., amphibians, turtles, seabirds), non-breeders are unobservable because they are not tied to a territory or...

Data from: Genetic structure of fragmented southern populations of African Cape buffalo (Syncerus caffer caffer)

Nathalie Smitz, Daniel Cornélis, Philippe Chardonnet, Alexandre Caron, Michel De Garine-Wichatitsky, Ferran Jori, Alice Mouton, Alice Latinne, Lice-Marie Pigneur, Mario Melletti, Kimberly L. Kanapeckas, Jonathan Marescaux, Carlos Lopes Pereira & Johan Michaux
Background: African wildlife experienced a reduction in population size and geographical distribution over the last millennium, particularly since the 19th century as a result of human demographic expansion, wildlife overexploitation, habitat degradation and cattle-borne diseases. In many areas, ungulate populations are now largely confined within a network of loosely connected protected areas. These metapopulations face gene flow restriction and run the risk of genetic diversity erosion. In this context, we assessed the “genetic health” of...

Microsatellite data from various African buffalo (Syncerus caffer) populations throughout Africa

Pim Van Hooft, Wayne Getz, Ben Greyling, Rasmus Heller, Knut Røed & Armanda Bastos
1280 African buffalo (Syncerus caffer) samples genotyped with up to 19 microsatellites. 1275 samples are from East (12 populations) and southern Africa (4 populations). 5 samples are from central Africa (2 populations).

Data from: Spatial and temporal patterns of neutral and adaptive genetic variation in the endangered African wild dog (Lycaon pictus)

Clare D. Marsden, Rosie Woodroffe, Michael G. L. Mills, J. Weldon McNutt, Scott Creel, Rosemary Groom, Masenga Emmanuel, Sarah Cleaveland, Pieter Kat, Gregory S. A. Rasmussen, Joshua Ginsberg, Robin Lines, Jean-Marc André, Colleen Begg, Robert K. Wayne & Barbara K. Mable
Deciphering patterns of genetic variation within a species is essential for understanding population structure, local adaptation and differences in diversity between populations. Whilst neutrally evolving genetic markers can be used to elucidate demographic processes and genetic structure, they are not subject to selection and therefore are not informative about patterns of adaptive variation. As such, assessments of pertinent adaptive loci, such as the immunity genes of the Major Histocompatibility Complex (MHC), are increasingly being incorporated...

Climate induced stress and mortality in vervet monkeys

Christopher Young, Tyler Bonnell, Leslie Brown, Marcus Dostie, André Ganswindt, Stefan Kienzle, Richard McFarland, Peter Henzi & Louise Barrett
As the effects of global climate change become more apparent, animal species will become increasingly affected by extreme climate and its effect on the environment. There is a pressing need to understand animal physiological and behavioural responses to climatic stressors. We used the reactive scope model as a framework to investigate the influence of drought conditions on vervet monkey (Chlorocebus pygerythrus) behaviour, physiological stress and survival across 2.5-years in South Africa. Data were collected on...

Revised taxonomy of the Arctotis Annual Clade (Arctotideae, Asteraceae) from Southern Africa: integration of molecular phylogenetic and morphological evidence

Robert McKenzie & Nigel Barker
Previous phylogenetic analysis of ITS nrDNA sequence data for Arctotidinae species resolved a highly supported clade containing all but one of the showy annual Arctotis species (informally designated the ‘Arctotis Annual Clade’). In the present study, phylogenetic relationships in the Arctotis Annual Clade were investigated by Bayesian inference and maximum parsimony analyses of cpDNA (trnT-trnL-trnF and trnH-psbA) and nrDNA (ITS) sequence data. The cpDNA and nrDNA phylogenies were notably incongruent. Arctotis venusta and a putative...

Genomic evidence of introgression and adaptation in a model subtropical tree species, Eucalyptus grandis

Marja Mostert-O'Neill, Sharon Reynolds, Juan Acosta, David Lee, Justin Borevitz & Alexander Myburg
The genetic consequences of adaptation to changing environments can be deciphered using landscape genomics, which may help predict species’ responses to global climate change. Towards this, we used genome-wide SNP marker analysis to determine population structure and patterns of genetic differentiation in terms of neutral and adaptive genetic variation in the natural range of Eucalyptus grandis, a widely cultivated subtropical and temperate species, serving as genomic reference for the genus. We analysed introgression patterns at...

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