reference : Do invasive alien plants benefit more from global environmental change than native plants?

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/reference/355060bf-5c1d-40d6-9635-14a92d0054cb
Bibliographic fields
reftype Journal Article
Abstract Invasive alien plant species threaten native biodiversity, disrupt ecosystem functions and can cause large economic damage. Plant invasions have been predicted to further increase under ongoing global environmental change. Numerous case studies have compared the performance of invasive and native plant species in response to global environmental change components (i.e. changes in mean levels of precipitation, temperature, atmospheric CO2 concentration or nitrogen deposition). Individually, these studies usually involve low numbers of species and therefore the results cannot be generalized. Therefore, we performed a phylogenetically controlled meta-analysis to assess whether there is a general pattern of differences in invasive and native plant performance under each component of global environmental change. We compiled a database of studies that reported performance measures for 74 invasive alien plant species and 117 native plant species in response to one of the above-mentioned global environmental change components. We found that elevated temperature and CO2 enrichment increased the performance of invasive alien plants more strongly than was the case for native plants. Invasive alien plants tended to also have a slightly stronger positive response to increased N deposition and increased precipitation than native plants, but these differences were not significant (N deposition: P = 0.051; increased precipitation: P = 0.679). Invasive alien plants tended to have a slightly stronger negative response to decreased precipitation than native plants, although this difference was also not significant (P = 0.060). So while drought could potentially reduce plant invasion, increases in the four other components of global environmental change considered, particularly global warming and atmospheric CO2 enrichment, may further increase the spread of invasive plants in the future.
Author Liu, Yanjie; Oduor, Ayub M. O.; Zhang, Zhen; Manea, Anthony; Tooth, Ifeanna M.; Leishman, Michelle R.; Xu, Xingliang; Kleunen, Mark
DOI 10.1111/gcb.13579
Issue 8
Journal Global Change Biology
Pages 3363-3370
Title Do invasive alien plants benefit more from global environmental change than native plants?
Volume 23
Year 2017
Bibliographic identifiers
_record_number 26592
_uuid 355060bf-5c1d-40d6-9635-14a92d0054cb