NDLI: Widespread plant species: natives versus aliens in our changing world

Content Provider	Springer Nature Link
Author	Stohlgren, Thomas J. Pyšek, Petr Kartesz, John Nishi, Misako Pauchard, Aníbal Winter, Marten Pi, Joan Richardson, David M. Wilson, John R. U. Murray, Brad R. Phillips, Megan L. Ming yang, Li Celesti Grapow, Laura Font, Xavier
Copyright Year	2011
Abstract	Estimates of the level of invasion for a region are traditionally based on relative numbers of native and alien species. However, alien species differ dramatically in the size of their invasive ranges. Here we present the first study to quantify the level of invasion for several regions of the world in terms of the most widely distributed plant species (natives vs. aliens). Aliens accounted for 51.3% of the 120 most widely distributed plant species in North America, 43.3% in New South Wales (Australia), 34.2% in Chile, 29.7% in Argentina, and 22.5% in the Republic of South Africa. However, Europe had only 1% of alien species among the most widespread species of the flora. Across regions, alien species relative to native species were either as well-distributed (10 comparisons) or more widely distributed (5 comparisons). These striking patterns highlight the profound contribution that widespread invasive alien plants make to floristic dominance patterns across different regions. Many of the most widespread species are alien plants, and, in particular, Europe and Asia appear as major contributors to the homogenization of the floras in the Americas. We recommend that spatial extent of invasion should be explicitly incorporated in assessments of invasibility, globalization, and risk assessments.
Starting Page	1931
Ending Page	1944
Page Count	14
File Format	PDF
ISSN	13873547
Journal	Biological Invasions
Volume Number	13
Issue Number	9
e-ISSN	15731464
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-05-21
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Alien plants Biotic homogenization China Europe Globalization North America Plant invasions South Africa South America Species distributions Freshwater & Marine Ecology Developmental Biology Plant Sciences Ecology
Content Type	Text
Resource Type	Article
Subject	Ecology Ecology, Evolution, Behavior and Systematics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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