Taxon-dependent diversity response along a temperate elevation gradient covered by grassland.

The regression analysis of changes in the species richness of ants, birds and plants along the elevation gradient showed a decreasing trend at high elevations (ants: DF = 2, Chisq p -value = 2.822e−7; birds: DF = 1, Chisq p -value = 1.450e−7; plants: DF = 2, Chisq p -value = 1.312e−6) ( Fig. 2 ).

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