Past climatic changes and their effects on the phylogenetic pattern of the Gondwanan relict Maindronia (Insecta: Zygentoma) in the Chilean Atacama Desert

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Title:Main Title: Past climatic changes and their effects on the phylogenetic pattern of the Gondwanan relict Maindronia (Insecta: Zygentoma) in the Chilean Atacama Desert
Description:Abstract: The silverfish family Maindroniidae (Insecta: Zygentoma) consists of three described species from desert biomes in Sudan, the Arabian Peninsula and Chile. This distribution is remarkable for closely related arthropods, suggesting a Gondwanan relict group. Extensive collecting efforts in Chile show a surprisingly widespread distribution in the Atacama. These insects were even found in hyperarid areas where no other metazoans could be observed. Maindronia can thus be considered as the most adapted desert animal in the Atacama, which in turn is one of the driest deserts in the world. The common habitat preference in the Chilean Atacama, and evidently also in Sudan, suggests that hyperarid environments have always been present, at least locally, in South America over the past 120 million years. Likely, Chilean Maindronia have evolved with and within the Atacama Desert. This scenario clearly differs from that shown for other animals or plants that have more recently migrated into suitable environments in the Atacama. Phylogenetic analyses show the presence of at least five clades derived from a single ancestor and diverging in the last 15 million years. The divergence times of the clades can be attributed to palaeoclimatic changes; mostly periods of extreme hyperaridity.
Responsible Party
Creators:Alvaro Zúñiga-Reinoso (Author), Reinhard Predel (Author)
Publisher:Elseiver
Publication Year:2019
Topic
CRC1211 Topic:Biology
Related Subproject:B2
Subjects:Keywords: Evolution, Biodiversity, Arid Zone
Geogr. Information Topic:Biota
File Details
Filename:Paper3.pdf
Data Type:Text - Article
File Size:2.5 MB
Date:Available: 23.08.2019
Mime Type:application/pdf
Data Format:PDF
Language:English
Status:Completed
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Download Permission:Only Project Members
General Access and Use Conditions:According to the CRC1211DB data policy agreement.
Access Limitations:According to the CRC1211DB data policy agreement.
Licence:None
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Specific Information - Publication
Publication Status:Published
Review Status:Peer reviewed
Publication Type:Article
Article Type:Journal
Source:Global and Planetary Change
Volume:182
Number of Pages:1 (10300 - 10300)
Metadata Details
Metadata Creator:Alvaro Zúñiga
Metadata Created:23.08.2019
Metadata Last Updated:23.08.2019
Subproject:B2
Funding Phase:1
Metadata Language:English
Metadata Version:V50
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