Are plants really larger in their introduced ranges?

The American Naturalist
C Thébaud, D Simberloff

Abstract

The "rule" that individuals of nonindigenous plant species are larger where they are introduced than where they are native is not borne out in detailed comparisons of European species introduced to California or the Carolinas and species from California and the Carolinas introduced to Europe. On average, individuals of California species are taller in California than in Europe, while individuals of species native to Europe do not differ between Europe and California. Similarly, individuals of species from the Carolinas are, on average, taller in the Carolinas than in Europe, while individuals of European species are the same height in Europe and the Carolinas or, depending on the nature of the statistical analysis, taller in Europe. Results for herbaceous species only are substantially the same. Although there is no general tendency for species to be taller in their introduced ranges, many species are, in fact, taller in some regions where they are introduced than in their native ranges. Absence of natural enemies in the introduced range is one hypothesis for such observations, but other hypotheses are possible, and the specific reasons for height differences must be sought case by case. The absence of a general tendency casts ...Continue Reading

References

Apr 1, 1993·Trends in Ecology & Evolution·M Vicari, D R Bazely

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Citations

Jul 19, 2013·Ecology·John D ParkerLorne M Wolfe
Apr 19, 2008·The American Naturalist·Steven J FranksEllen L Simms
Aug 19, 2008·The American Naturalist·Lorne M Wolfe
Apr 16, 2008·Ecology·Richard J HandleyHeinz Müller-Schärer
Dec 11, 2013·The New Phytologist·Kathryn G TurnerLoren H Rieseberg
Dec 5, 2014·Molecular Ecology·Dan G BockLoren H Rieseberg
Sep 12, 2015·Ecology and Evolution·Kathryn G TurnerLoren H Rieseberg
Oct 18, 2014·Frontiers in Plant Science·Margherita Gioria, Bruce A Osborne
Jan 19, 2005·Oecologia·Montserrat VilàLaia Marco
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May 26, 2018·Parasitology Research·Luther van der MeschtBoris R Krasnov
Aug 6, 2019·Ecology and Evolution·Lotte A van BoheemenKathryn A Hodgins

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