Functional traits explain the consistent resistance of biodiversity to plant invasion under nitrogen enrichment

Shao-Peng Li, Jia Pu, Shu-Ya Fan, Yingtong Wu, Xiang Liu, Yani Meng, Yue Li, Wen-Sheng Shu, Jin-Tian Li & Lin Jiang
Elton’s biotic resistance hypothesis, which posits that diverse communities should be more resistant to biological invasions, has received considerable experimental support. However, it remains unclear whether such a negative diversity–invasibility relationship would persist under anthropogenic environmental change. By using the common ragweed (Ambrosia artemisiifolia) as a model invader, our four-year grassland experiment demonstrated consistently negative relationships between resident species diversity and community invasibility, irrespective of nitrogen addition, a result further supported by a meta-analysis. Importantly,...
2 citations reported since publication in 2021.
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