The role of phylogenetic relatedness on alien plant success depends on the stage of invasion

2022 | journal article. A publication with affiliation to the University of Göttingen.

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​The role of phylogenetic relatedness on alien plant success depends on the stage of invasion​
Omer, A.; Fristoe, T.; Yang, Q.; Razanajatovo, M.; Weigelt, P. ; Kreft, H.   & Dawson, W. et al.​ (2022) 
Nature Plants8(8) pp. 906​-914​.​ DOI: 

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Omer, Ali; Fristoe, Trevor; Yang, Qiang; Razanajatovo, Mialy; Weigelt, Patrick ; Kreft, Holger ; Dawson, Wayne; Dullinger, Stefan; Essl, Franz; Pergl, Jan; van Kleunen, Mark
Darwin’s naturalization hypothesis predicts successful alien invaders to be distantly related to native species, whereas his pre-adaptation hypothesis predicts the opposite. It has been suggested that depending on the invasion stage (that is, introduction, naturalization and invasiveness), both hypotheses, now known as Darwin’s naturalization conundrum, could hold true. We tested this by analysing whether the likelihood of introduction for cultivation, as well as the subsequent stages of naturalization and spread (that is, becoming invasive) of species alien to Southern Africa are correlated with their phylogenetic distance to the native flora of this region. Although species are more likely to be introduced for cultivation if they are distantly related to the native flora, the probability of subsequent naturalization was higher for species closely related to the native flora. Furthermore, the probability of becoming invasive was higher for naturalized species distantly related to the native flora. These results were consistent across three different metrics of phylogenetic distance. Our study reveals that the relationship between phylogenetic distance to the native flora and the success of an alien species changes from one invasion stage to the other.
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Nature Plants 
Fakultät für Forstwissenschaften und Waldökologie ; Burckhardt-Institut ; Abteilung Biodiversität, Makroökologie und Biogeographie 
Deutsche Forschungsgemeinschaft
Austrian Science Fund
Academy of Sciences of the Czech Republic | Ústav Organické Chemie a Biochemie, Akademie Věd České Republiky



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