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Type: Journal article
Title: Comparative phylogeography of African rain forest trees: A review of genetic signatures of vegetation history in the Guineo-Congolian region
Author: Hardy, O.
Born, C.
Budde, K.
Dainou, K.
Dauby, G.
Duminil, J.
Ewedje, E.
Gomez, C.
Heuertz, M.
Koffi, G.
Lowe, A.
Micheneau, C.
Ndiade-Bourobou, D.
Pineiro, R.
Poncet, V.
Citation: Comptes Rendus Geoscience (Academie des Sciences), 2013; 345(7-8):284-296
Publisher: Elsevier Masson
Issue Date: 2013
ISSN: 1631-0713
Statement of
Olivier J. Hardy, Céline Born, Katarina Budde, Kasso Daïnou, Gilles Dauby, Jérôme Duminil, Eben-Ezer B.K. Ewédjé, Céline Gomez, Myriam Heuertz, Guillaume K. Koffi, Andrew J. Lowe, Claire Micheneau, Dyana Ndiade-Bourobou, Rosalía Pinẽiro, Valérie Poncet
Abstract: The biogeographic history of the African rain forests has been contentious. Phylogeography, the study of the geographic distribution of genetic lineages within species, can highlight the signatures of historical events affecting the demography and distribution of species (i.e. population fragmentation or size changes, range expansion/contraction) and, thereby, the ecosystems they belong to. The accumulation of recent data for African rain forests now enables a first biogeographic synthesis for the region. In this review, we explain which phylogeographic patterns are expected under different scenarios of past demographic change, and we give an overview of the patterns detected in African rain forest trees to discuss whether they support alternative hypotheses regarding the history of the African rain forest cover. The major genetic discontinuities in the region support the role of refugia during climatic oscillations, though not necessarily following the classically proposed scenarios. We identify in particular a genetic split between the North and the South of the Lower Guinean region. Finally we provide some perspectives for future study. © 2013 Académie des sciences.
Keywords: Phylogeography
Guineo-Congolian forest
Lower Guinea
Climatic hinge
Patterns of genetic diversity
Forest refuge
Rights: Copyright © 2013 Académie des sciences.
DOI: 10.1016/j.crte.2013.05.001
Appears in Collections:Aurora harvest 4
Earth and Environmental Sciences publications

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