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Negative impacts of invasive alien species on number of seedlings of Keteleeria evelyniana and understory species diversity. (A) & (B) Changes in numbers of seedlings of Keteleeria evelyniana by respective coverage and density of invasive alien Ageratina adenophora; (C), (D) & (E) Changes of species richness, Shannon–Wiener diversity and Simpson diversity, respectively, in the understory by coverage of invasive alien Ageratina adenophora.
