Abstract:
:We assess the phylogeographic structure and test several species delimitation methods in the forest-living Pondo flat-gecko, Afroedura pondolia, by sampling specimens from across the entire distribution in the Eastern Cape and KwaZulu-Natal provinces of South Africa. Phylogenetic results, using Bayesian inferences and maximum likelihood, from the combined mitochondrial and nuclear DNA sequence data derived from four partial loci (ND4, cyt b, PRLR and RAG1), suggest the presence of four geographically discrete clades, which represent candidate species. We applied four species-delimitation methods (ABGD, bGMYC, PTP and STACEY), the results of which were largely incongruent in the number of putative species nested within A. pondolia. Multivariate morphological analyses indicate statistically significant differences among the four candidate species, corroborating the presence of four cryptic species within A. pondolia. Divergence-time estimates suggest that cladogenesis was driven by forest fragmentation from the late Miocene to the Plio/Pleistocene with the onset of more pronounced xeric climatic conditions causing forest fragmentation.
journal_name
Mol Phylogenet Evoljournal_title
Molecular phylogenetics and evolutionauthors
Busschau T,Conradie W,Daniels SRdoi
10.1016/j.ympev.2019.106549subject
Has Abstractpub_date
2019-10-01 00:00:00pages
106549eissn
1055-7903issn
1095-9513pii
S1055-7903(19)30170-8journal_volume
139pub_type
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