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Z-scores of bacterial phyla in reconstructed soils planted with coniferous, deciduous, and grass species and in natural forest soils. The first rectangle from the bottom groups phyla that are more abundant in natural forest soils, the second rectangle groups phyla that are more abundant in reconstructed soils, and the third rectangle groups phyla that are more abundant in reconstructed soils planted with grasses (***, P < 0.001; **, P < 0.01; *, P < 0.05; ·, P < 0.1).
