conclusions about niche expansion in introduced impatiens walleriana populations depend on method of analysis结论利基扩张了凤仙花walleriana数量取决于分析的方法.pdfVIP

Conclusions about Niche Expansion in Introduced Impatiens walleriana Populations Depend on Method of Analysis 1,2 3 4 5 1 Lisa Mandle , Dan L. Warren , Matthias H. Hoffmann , A. Townsend Peterson , Johanna Schmitt , Eric J. von Wettberg6,7* 1 Ecology and Evolutionary Biology, Brown University, Providence, Rhode Island, United States of America, 2 Department of Botany, University of Hawaii, Manoa, ¨ Honolulu, Hawaii, United States of America, 3 Section of Integrative Biology, University of Texas at Austin, Austin, Texas, United States of America, 4 Institut fur Geobotanik ¨ und Botanischer Garten, Martin-Luther-Universitat Halle – Wittenberg, Halle (Saale), Germany, 5 Biodiversity Institute, University of Kansas, Lawrence, Kansas, United States of America, 6 Department of Biological Sciences, Florida International University, Miami, Florida, United States of America, 7 Center for Tropical Plant Conservation, Fairchild Tropical Botanical Garden, Coral Gables, Florida, United States of America Abstract Determining the degree to which climate niches are conserved across plant species’ native and introduced ranges is valuable to developing successful strategies to limit the introduction and spread of invasive plants, and also has important ecological and evolutionary implications. Here, we test whether climate niches differ between native and introduced populations of Impatiens walleriana, globally one of the most popular horticultural species. We use approaches based on both ra