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- Title
Soil nutrient limitation and natural enemies promote the establishment of alien species in native communities.
- Authors
Xu, Yu‐Han; Guo, Yu‐Jian; Bai, Yan‐Feng; Liu, Yuan‐Yuan; Wang, Yong‐Jian
- Abstract
The invasion of alien plant species threatens the composition and diversity of native communities. However, the invasiveness of alien plants and the resilience of native communities are dependent on the interactions between biotic and abiotic factors, such as natural enemies and nutrient availability. In our study, we simulated the invasion of nine invasive plant species into native plant communities using two levels of nutrient availability and suppression of natural enemies. We evaluated the effect of biotic and abiotic factors on the response of alien target species and the resistance of native communities to invasion. The results showed that the presence of enemies (enemy release) increased the biomass proportion of alien plants while decreasing that of native communities in the absence of nutrient addition. Furthermore, we also found that the negative effect of enemy suppression on the evenness of the native community and the root‐to‐shoot ratio of alien target species was greatest under nutrient addition. Therefore, nutrient‐poor and natural enemies might promote the invasive success of alien species in native communities, whereas nutrient addition and enemy suppression can better enhance the resistance of native plant communities to invasion.
- Subjects
INTRODUCED species; INTRODUCED plants; INVASIVE plants; PLANT invasions; PLANT communities
- Publication
Ecology & Evolution (20457758), 2024, Vol 14, Issue 1, p1
- ISSN
2045-7758
- Publication type
Article
- DOI
10.1002/ece3.10853