Traits estimated when grown alone may underestimate the competitive advantage and invasiveness of exotic species

© 2024 The Author(s). New Phytologist © 2024 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - (2024) vom: 01. Okt.
1. Verfasser: Zhu, Biao (VerfasserIn)
Weitere Verfasser: Wei, Chunqiang, Zhou, Hao, Chen, Wei, Siemann, Evan, Lu, Xinmin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article competitive ability field experiment functional traits invasive species new approach plant invasion pot experiment
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520 |a Functional differences between native and exotic species, estimated when species are grown alone or in mixtures, are often used to predict the invasion risk of exotic species. However, it remains elusive whether the functional differences estimated by the two methods and their ability to predict species invasiveness (e.g. high abundance) are consistent. We compiled data from two common garden experiments, in which specific leaf area, height, and aboveground biomass of 64 common native and exotic invasive species in China were estimated when grown individually (pot) or in mixtures (field). Exotic species accumulated higher aboveground biomass than natives, but only when grown in field mixtures. Moreover, aboveground biomass and functional distinctiveness estimated in mixtures were more predictive of species persistence and relative abundance in the field mixtures in the second year than those estimated when grown alone. These findings suggest that assessing species traits while grown alone may underestimate the competitive advantage for some exotic species, highlighting the importance of trait-by-environment interactions in shaping species invasion. Therefore, we propose that integrating multi-site or multi-year field surveys and manipulative experiments is required to best identify the key trait(s) and environment(s) that interactively shape species invasion and community dynamics 
650 4 |a Journal Article 
650 4 |a competitive ability 
650 4 |a field experiment 
650 4 |a functional traits 
650 4 |a invasive species 
650 4 |a new approach 
650 4 |a plant invasion 
650 4 |a pot experiment 
700 1 |a Wei, Chunqiang  |e verfasserin  |4 aut 
700 1 |a Zhou, Hao  |e verfasserin  |4 aut 
700 1 |a Chen, Wei  |e verfasserin  |4 aut 
700 1 |a Siemann, Evan  |e verfasserin  |4 aut 
700 1 |a Lu, Xinmin  |e verfasserin  |4 aut 
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