Along with altitude increasing, predominant index generally increases, but species diversity index and evenness index decrease.

随海拔升高, 优势度指数普遍递增, 物种多样性指数和均匀度指数递减.

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Moreover, Pielou evenness index was higher than that in the two native plant communities.

而Simpson优势 度指数和Pielou均匀度指数较土著植物群落中高.

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