La Trobe
Invasion success and impacts depend on different characteristics in non‐native plants.pdf (1.28 MB)
Download file

Invasion success and impacts depend on different characteristics in non-native plants

Download (1.28 MB)
journal contribution
posted on 15.12.2021, 23:33 by M Ni, david deane, S Li, Y Wu, X Sui, H Xu, C Chu, F He, S Fang
Aim: Biological invasions threaten biodiversity globally. Large-scale studies of non-native plant species invasiveness typically focus on identifying ecological differences between naturalized and invasive species that account for their spread from sites of initial establishment (i.e., invasion success). However, invasive species differ widely in the magnitude of their impacts, suggesting the characteristics that favour invasion success might not necessarily predict the consequences of that invasion. Here we test whether those factors that increase the probability of plant species invasion also explain the severity of impacts. Location: China. Methods: We compiled a database of the invasiveness, biogeographic origins, life history traits, and introduction history for 538 non-native plants in China and modelled differences in (a) naturalized and invasive species; (b) the spatial extent of invasion; and, (c) the severity of invasion impacts among successful invaders. Results: Invasion success and the spatial extent of invasion shared similar influencing factors. However, these clearly differed from the predictors of severe invasion impacts. Unintentionally introduced non-native plants with shorter life cycles and longer residence times were more likely to become invasive and to invade a larger area, while taller plants introduced from the Americas tended to have more severe impacts on the native ecosystems of China. Main Conclusions: These results illustrate the different roles of introduction history, biogeographical origin and biological traits in determining the invasion success and spatial extent of invasion versus the severity of invasive species impacts. We suggest that factors associated with evolutionary adaptation and population expansion might determine invasion success and extent, while traits related to the relative competitive ability of invasive species determine the severity of impacts. Identifying specific characteristics of species that distinguish among successful invaders most likely to result in more severe impacts could help with planning more effective interventions.


Pearl River S&T Nova Program of Guangzhou, Grant/Award Number: 201610010082; National Natural Science Foundation of China, Grant/Award Number: 31370441 and 31670628; Guangdong Basic and Applied Basic Research Foundation, Grant/Award Number: 2020A1515010391


Publication Date



Diversity and Distributions






(p. 1194-1207)





Rights Statement

The Author reserves all moral rights over the deposited text and must be credited if any re-use occurs. Documents deposited in OPAL are the Open Access versions of outputs published elsewhere. Changes resulting from the publishing process may therefore not be reflected in this document. The final published version may be obtained via the publisher’s DOI. Please note that additional copyright and access restrictions may apply to the published version.