Potential distribution range of invasive plant species in Spain

  • Success of invasive species has been frequently estimated as the present distribution range size in the introduced region. However, the present distribution range is only a picture of the invasion for a given time step and do not inform on the potential distribution range of the species. Based on niche-based models we used climatic, geographic and landscape information on the present distribution range for 78 major plant invaders in Spain to estimate and map their potential distribution range. We found a positive relationship between present and potential distribution of species. Most of the species have not yet occupied half of their potential distribution range. Sorghum halepense and Amaranthus retroflexus have the widest potential distribution range. Sorghum halepense and Robinia pseudoacacia have the highest relative occupancy (i.e. proportion of potential distribution range currently occupied). Species with a larger minimum residence time have, on average, higher relative occupancy. Our study warns managers that it might be only a matter of time that currently localized invasive species reach their potential area of distribution.

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Author:Núria Gassó, Wilfried Thuiller, Joan Pino, Montserrat Vilà
Parent Title (English):NeoBiota
Document Type:Article
Date of Publication (online):2013/10/31
Date of first Publication:2012/02/15
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2013/10/31
Tag:alien plants; climate; distribution range; landscape; minimum residence time; niche models; propagule pressure; range size; species occupancy
Page Number:16
First Page:25
Last Page:40
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 58 Pflanzen (Botanik) / 580 Pflanzen (Botanik)
Sammlungen:Sammlung Biologie / Sondersammelgebiets-Volltexte
Zeitschriften / Jahresberichte:NeoBiota / NeoBiota 12
Licence (German):License LogoCreative Commons - Namensnennung 3.0