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@article{1691336,
author = {Van Steenberge, Maarten Wouter and Vanhove, Maarten Pieterjan and Manda, Auguste Chocha and Larmuseau, Maarten H. D. and Swart, Belinda L. and Khang'Mate, Faustin and Arndt, Allan and Hellemans, Bart and Van Houdt, Jeroen and Micha, JeanandClaude and Koblmuller, Stephan and RoodtandWilding, Rouvay and Volckaert, Filip A. M.},
article_location = {Hoboken},
article_number = {8},
doi = {http://dx.doi.org/10.1111/jbi.13858},
keywords = {Africa; Clariidae; fish; ichthyofaunal provinces; phylogeography; river basin},
language = {eng},
issn = {0305-0270},
journal = {Journal of Biogeography},
title = {Unravelling the evolution of Africa's drainage basins through a widespread freshwater fish, the African sharptooth catfish Clarias gariepinus},
url = {https://doi.org/10.1111/jbi.13858},
volume = {47},
year = {2020}
}
TY - JOUR
ID - 1691336
AU - Van Steenberge, Maarten Wouter - Vanhove, Maarten Pieterjan - Manda, Auguste Chocha - Larmuseau, Maarten H. D. - Swart, Belinda L. - Khang'Mate, Faustin - Arndt, Allan - Hellemans, Bart - Van Houdt, Jeroen - Micha, Jean-Claude - Koblmuller, Stephan - Roodt-Wilding, Rouvay - Volckaert, Filip A. M.
PY - 2020
TI - Unravelling the evolution of Africa's drainage basins through a widespread freshwater fish, the African sharptooth catfish Clarias gariepinus
JF - Journal of Biogeography
VL - 47
IS - 8
SP - 1739-1754
EP - 1739-1754
PB - Wiley
SN - 03050270
KW - Africa
KW - Clariidae
KW - fish
KW - ichthyofaunal provinces
KW - phylogeography
KW - river basin
UR - https://doi.org/10.1111/jbi.13858
L2 - https://doi.org/10.1111/jbi.13858
N2 - Aim The formation history of Africa's current river basins remains largely unknown. In order to date changes in landscape and climate, we studied the biogeography of the African freshwater fish with the largest natural distribution. We also validated biogeographical units. Location Continental Africa. Taxon Clarias gariepinus sl. Methods We investigated mitochondrial cytb sequences of 443 individuals from 97 localities, using a haplotype network and a genetic landscape analysis. We inferred a dated phylogeny using maximum likelihood and Bayesian inference approaches and reconstructed ancestral areas with S-DEC and S-DIVA models. Microsatellite genotyping complemented the mitochondrial approach in the Congo basin, where the latter revealed complex patterns. Results Limited differentiation is found in northern and south-western Africa, and sharp genetic differentiation in the continent's east and centre. Populations with affinities to neighbouring basins occur at the edges of the Congo province. High diversity exists in the south of the Congo basin. The Zambezi province is partitioned into eastern, central and western sectors. In the east, specimens were related to those from the Congo. In the west, they were similar to Southern representatives. Phylogenetic inference placed the origin of C. gariepinus in the East Coast, with intraspecific diversification starting around the Great Lakes. These events occurred ca. 4.8-1.65 and 2.3-0.8 MYA respectively. Main conclusions Clades of C. gariepinus sl. show a clear geographical signature. The origin of C. gariepinus in the East Coast and diversification around the Great Lakes coincided with the periods of increased aridity. Low genetic differentiation in northern and southern Africa may result from connectivity during recent periods of higher rainfall. In contrast to other widespread African freshwater fish, colonization rather than extinction seemed to mediate distribution patterns. This can be explained by a high ecological tolerance. We highlight the species' suitability to study landscape and climate evolution at various scales.
ER -
VAN STEENBERGE, Maarten Wouter, Maarten Pieterjan VANHOVE, Auguste Chocha MANDA, Maarten H. D. LARMUSEAU, Belinda L. SWART, Faustin KHANG'MATE, Allan ARNDT, Bart HELLEMANS, Jeroen VAN HOUDT, Jean-Claude MICHA, Stephan KOBLMULLER, Rouvay ROODT-WILDING a Filip A. M. VOLCKAERT. Unravelling the evolution of Africa's drainage basins through a widespread freshwater fish, the African sharptooth catfish Clarias gariepinus. \textit{Journal of Biogeography}. Hoboken: Wiley, 2020, roč.~47, č.~8, s.~1739-1754. ISSN~0305-0270. Dostupné z: https://dx.doi.org/10.1111/jbi.13858.
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