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Plant neighbours rather than soil biota determine impact of an alien plant invader

Sun, Yan ; Müller-Schärer, Heinz ; Schaffner, Urs

In: Functional Ecology, 2014, vol. 28, no. 6, p. 1545–1555

1. Various factors have been shown contributing to the ecosystem impact of invasive alien plants, but their relative importance remains unclear. We focused on the effects of neighbouring plant community and soil biota as these biotic factors have been repeatedly put forward to explain invasion success (e.g. as components of the novel weapons and of the biotic release hypothesis).2. To assess...