Fig. 4

The relative abundance of the phylum Nitrospirota in soils with no, low, and high nitrogen deposition levels at low (A), moderate (B), and high (C) nutrient levels at all soil nutrient levels (D).
The relative abundance of the phylum Nitrospirota in soils with no, low, and high nitrogen deposition levels at low (A), moderate (B), and high (C) nutrient levels at all soil nutrient levels (D).