Data from: Positive associations with native shrubs are intense and important for an exotic invader but not the native annual community across an aridity gradient

Jacob Lucero, Merav Seifan, Ragan Callaway & Christopher Lortie
AIM AND LOCATION: Positive interactions influence the assembly of plant communities globally, particularly in stressful environments like deserts. However, few studies have measured the intensity and relative importance of positive interactions involving native and invasive species along aridity gradients. These measures are essential for predicting how dryland communities will respond to biological invasions and environmental change. Here, we measured the intensity and importance of positive associations formed between native shrubs and the annual plant community,...
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