The role of soil microorganisms in supporting multiple ecosystem functions (multifunctionality) remains poorly understood across diverse environmental conditions. Here, we investigate 484 soils from 27 European countries spanning a range of climatic and edaphic contexts. We assess the contribution of climate, soil properties, and soil microbiome traits (i.e., the relative abundance
of co-occurring taxa) to explain six key functional proxies related to soil structure, biochemical activity, and productivity. We find the highest multifunctionality values in grasslands, woodlands, loamy and acidic soils, and temperate humid regions, and the lowest in croplands, alkaline soils, and drier regions. Soil properties explain 12–31% of variation in multifunctionality, with
microbial biomass and nitrogen content emerging as the strongest predictors.
The soil microbiome accounts for 2–14% of unique variance in multifunctionality but explains more than 25% of variation in enzymatic activities and primary productivity in clay-rich soils and soils originating from temperate dry regions. Specific taxa, particularly within Actinobacteria, Acidobacteria, and the fungal genus Mortierella consistently emerge as strong predictors of ecosystem multifunctionality. Our findings highlight that ecosystem multifunctionality is jointly shaped by soil properties and microbial communities.
We argue that specific taxa hold potential as context-dependent indicators for multifunctionality monitoring across environmental gradients.
ROMERO Ferran;
LABOUYRIE Maeva;
ORGIAZZI Alberto;
BALLABIO Cristiano;
PANAGOS Panos;
JONES Arwyn;
TEDERSOO Leho;
BAHRAM Mohammad;
EISENHAUER Nico;
SÜNNEMANN Marie;
GUERRA Carlos;
TAO Dongxue;
ROG Ido;
JIAO Shuo;
MOCALI S;
RILLIG Matthias C.;
LEHMANN Anika;
DELGADO-BAQUERIZO Manuel;
VAN DER HEIJDEN Marcel;
2026-07-31
NATURE PORTFOLIO
JRC141604
2041-1723 (online),
https://doi.org/10.1038/s41467-025-67353-9,
https://publications.jrc.ec.europa.eu/repository/handle/JRC141604,
10.1038/s41467-025-67353-9 (online),
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