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Comment
. 2011 Jan 11;108(2):439-40.
doi: 10.1073/pnas.1017682108. Epub 2010 Dec 28.

Colonization of high altitudes by alien plants over the last two centuries

Petr Pyšek  1 , Vojtěch Jarošík, Jan Pergl, Jan Wild
Affiliations
Comment

Colonization of high altitudes by alien plants over the last two centuries

Petr Pyšek et al. Proc Natl Acad Sci U S A. .
No abstract available

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Fig. 1.
Fig. 1.
Altitude of individual records of alien plants in the Czech Republic regressed on the year of the record. An alternative model with the identity of individual species included was also highly significant (F = 52.0; df = 129, 28,158; P < 0.001) and showed that the pattern of colonization of higher altitudes was species-specific (deletion test on the differences in regression slope of the individual species on the year of the record: F = 7.49; df = 64, 28,223; P < 0.001).
Fig. 2.
Fig. 2.
Altitudinal range of 65 species of neophytes regressed on their minimum residence time (i.e., time since their first record in the Czech Republic).
See this image and copyright information in PMC

Comment on

References

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