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Polyploidy and high mountain environments. Evolutionary processes at different scales in the subtribe Leucanthemopsidinae (Compositae, Anthemideae)

Tomasello, Salvatore (2016) Polyploidy and high mountain environments. Evolutionary processes at different scales in the subtribe Leucanthemopsidinae (Compositae, Anthemideae). PhD, Universität Regensburg.

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Date of publication of this fulltext: 02 Mar 2016 06:48

Abstract (English)

Polyploidy is a common feature in plants with 35% of angiosperms being polyploid species. Polyploidization has been proposed as one of the most important speciation mechanism in plants, with 15% of all speciation events in flowering plants and 31% in ferns entailing an increase in the number of complete chromosome sets. The frequency of polyploid species formation under natural conditions is ...

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Translation of the abstract (German)

Polyploidie ist ein häufig anzutreffendes Merkmal von Pflanzen und man findet bei 35% der Angiospermen Polyploiden vor. Polyploidisierung wird als eine der wichtigsten Artbildungsmechanismen von Pflanzen erachtet. Bei den Bedecktsamer macht Polyploidisierung 15%, bei Farnen 31% der Artenbildungssereignisse aus, was eine Erhöhung der Anzahl der Chromosomensätze nach sich zieht. Die Häufigkeit der ...

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Item type:Thesis of the University of Regensburg (PhD)
Date:2 March 2016
Referee:Prof. Dr. Christoph Oberprieler
Date of exam:27 February 2015
Institutions:Biology, Preclinical Medicine > Institut für Pflanzenwissenschaften > Group Plant Systematics and Evolution (Prof. Dr. Christoph Oberprieler)
Keywords:polyploidy, phylogeny, species network
Dewey Decimal Classification:500 Science > 580 Botanical sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:31891
Owner only: item control page

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