Table 1 Predicted microbial nitrogen use efficiency (NUE) and phosphorus use efficiency (PUE) across soils of major biomes based on Random Forest models

From: Global patterns and drivers of soil microbial nitrogen and phosphorus use efficiency

Biome

Microbial NUE

Microbial PUE

Boreal forest

0.53 ± 0.08e

0.37 ± 0.07a

Montane grassland

0.61 ± 0.05c

0.33 ± 0.04 d

Temperate broadleaved forest

0.62 ± 0.07c

0.36 ± 0.05ab

Temperate coniferous forest

0.62 ± 0.05c

0.35 ± 0.04bc

Temperate grassland

0.59 ± 0.06 d

0.33 ± 0.04 d

Tropical/subtropical broadleaved forest

0.68 ± 0.04a

0.37 ± 0.05a

Tropical/subtropical coniferous forest

0.69 ± 0.04a

0.34 ± 0.03 cd

Tropical/subtropical grassland

0.66 ± 0.04b

0.34 ± 0.03 cd

Tundra

0.48 ± 0.08 f

0.33 ± 0.03 d

Cropland

0.61 ± 0.08c

0.34 ± 0.04 cd

Wetland

0.59 ± 0.10 d

0.36 ± 0.05ab

Global mean

0.60

0.35

  1. Values are presented as mean ± standard deviation (SD). Different lowercase letters within each column denote statistically significant differences among biomes (one-way ANOVA with Tukey’s post-hoc test, p < 0.05).
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