[141] - Origin and diversification of Cristaria (Malvaceae) parallel Andean orogeny and onset of hyperaridity in the Atacama Desert

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Böhnert, T., Luebert, F., Ritter, B., Merklinger, F. F., Stoll, A., Schneider, J., Quandt, D., Weigend, M., 2019. Origin and diversification of Cristaria (Malvaceae) parallel Andean orogeny and onset of hyperaridity in the Atacama Desert. Global and Planetary Change, 1 - 8. DOI: 10.1016/j.gloplacha.2019.102992.
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Title(s):Main Title: Origin and diversification of Cristaria (Malvaceae) parallel Andean orogeny and onset of hyperaridity in the Atacama Desert
Description(s):Abstract: The Atacama Desert in western South America is considered as one of the driest places on earth, but is nevertheless characterized by surprisingly high species richness and levels of endemism. The plant genus Cristaria (Malvaceae), with ca. 21 species, is one of the most diverse genera of the Atacama Desert, while the much less diverse sister genus Lecanophora (7 species) is found east of the Andes. Here, we use DNA sequence data and divergence time estimates in order to investigate the biogeographical history of the Atacama species of Cristaria. We further investigate a possible influence of Andean uplift and the subsequent onset of hyperaridity in the Atacama Desert on diversification times in Cristaria. We sequenced three plastid markers (ndhF, trnK(matK) & rpl16) for 19 species of Cristaria and two species of Lecanophora from the Atacama Desert and Argentina, respectively. Further, we included sequences of the same plastid regions from GenBank in order to get a comprehensive dataset of Malvoideae. Phylogenetic relationships were inferred using maximum likelihood and Bayesian analyses, and divergence times were estimated with BEAST2. Our results place the monophyletic genera Cristaria and Lecanophora as sister groups in a clade sister to the rest of Malveae. The split between these two lineages (~20 Ma) correlates with Andean uplift during the early Miocene, indicating a vicariant event. During the late Miocene, two Mediterranean members of Cristaria separated from the major Atacama clade. The subsequent diversification of the latter one correlates with the onset and subsequent temporal expansion of hyperarid conditions in the Atacama Desert since the late Miocene and during the Quaternary climate oscillations.
Identifier(s):DOI: 10.1016/j.gloplacha.2019.102992
Citation Advice:Böhnert, T., Luebert, F., Ritter, B., Merklinger, F.F., Stoll, A., Schneider, J.V., Quandt, D. & Weigend, M. (2019) Origin and diversification of Cristaria (Malvaceae) parallel Andean orogeny and onset of hyperaridity in the Atacama Desert. Global and Planetary Change.
Responsible Party
Creator(s):Author: Tim Böhnert
Author: Federico Luebert
Author: Benedikt Ritter
Author: Felix F. Merklinger
Author: Alexandra Stoll
Author: Julio Schneider
Author: Dietmar Quandt
Author: Maximilian Weigend
CRC1211 Topic:Biology
Related Sub-project(s):B1, D1
Subject(s):CRC1211 Keywords: Phylogeny, Dating, Evolution, Biogeography
File Details
File Name:Boehnert_etal_2019_Cristaria_Dating_GloPlaChange.pdf
Data Type:Text
File Size:2178 kB (2.127 MB)
Date(s):Issued: 2019-07-25
Mime Type:application/pdf
Data Format:PDF
Download Permission:OnlyCRC1211
General Access and Use Conditions:According to the CRC1211DB data policy agreement.
Access Limitations:According to the CRC1211DB data policy agreement.
Licence:CRC1211DB Data policy agreement
North:-no map data
Measurement Region:Chile
Measurement Location:--Chile--
Specific Informations - Publication
Article Type:Journal
Source:Global and Planetary Change
Number Of Pages:8
Page Range:1 - 8
Metadata Details
Metadata Creator:Tim Böhnert
Metadata Created:2019-07-25
Metadata Last Updated:2019-07-25
Funding Phase:1
Metadata Language:English
Metadata Version:V42
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