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Phytogeographical relations of the Andean dry valleys of Bolivia by Ramiro Pablo López is a Environmental Science article available to read on EtoBox.

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## Abstract **Aim** The objective of this study is to examine the phytogeographical affinities of the Andean dry valleys of Bolivia in order to contribute to a better understanding of the Andean dry flora's distribution, origin and diversity. Particular emphasis is given to the analysis of the floristic connections of this flora with more austral parts of South America. **Location** The dry valleys of Bolivia are located in the Andes of the southern half of the country, at elevations between 1300 and 3200 m. **Methods** An extensive floristic list compiled by the author to evaluate plant diversity in these Andean regions was used as the base for this study. To accomplish this, all recorded genera and species were assigned, respectively, to 11 and 12 phytogeographical elements established previously by the author. Two phytogeographical spectra were thus obtained and analysed. **Results** At the genus level, the Andean dry valleys of Bolivia are clearly dominated by genera that have widespread distributions (cosmoplitan and subtropical genera). Many of these reached the Andes from the lowland region of the Chaco. At species level, Andean elements constitute more than 60% of the speci

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Author

Ramiro Pablo López

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; JSTOR (ISSN 0305-0270)

Published

2003

Language

EN

Field

Environmental Science (Physical Sciences)