ArticleProceedings of the National Academy of Sciences of the United States of America2025
Soil microbial life history strategies covary with ecosystem multifunctionality across aridity gradients.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Harnessing synthetic microbial communities for desert vegetation restoration.Synthetic and systems biotechnology · 2027Review
- Microbial drought resistance is achieved at the expense of soil carbon loss.Nature communications · 2026Article
- Foliar metal micronutrients reshape rhizosphere soil multifunctionality by filtering microbial life-history strategies.NPJ biofilms and microbiomes · 2026Article
- Desertification Drives Functional Reassembly of Rhizosphere Fungal Communities from Arbuscular Mycorrhizal Fungi to Dark Septate Endophytes in Temperate Grassland.Journal of fungi (Basel, Switzerland) · 2026Article
- Consecutive melon monocropping is associated with microbial community homogenization and reduced bacterial network complexity.Frontiers in microbiology · 2026Article
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Authors and funding
6 authors.
Funding
Abstract
Aridity thresholds shape ecosystem functions worldwide. Despite the importance of soil microbiomes in engineering ecosystem processes, the specific strategies employed by soil microbiomes to support ecosystem multifunctionality (EMF) across aridity gradients remain virtually unknown. Here, we investigated 474 soil samples across a continental-scale aridity gradient and identified an aridity threshold beyond which plot-level EMF declines sharply. Microbial habitat and decomposition functions were among the last to respond to aridity, with thresholds occurring under more arid conditions compared to plant productivity and soil fertility. Combining metagenomic sequencing with physiological assays to characterize microbial life history strategies of high yield (Y), resource acquisition (A), and stress tolerance (S), we introduce a microbial trait-based framework to mechanistically link community-level microbial life history strategies to EMF. Our results reveal that microbial Y-strategy is positively correlated with EMF across aridity gradients, A-strategy exhibits a negative association with EMF across aridity gradients, and S-strategy is negatively correlated with EMF in arid ecosystems. Collectively, this study offers empirical evidence and insights into how aridification interacts with soil microbiomes in shaping EMF, highlighting the pivotal role of microbial life history strategies in understanding the mechanisms behind EMF variation in an increasingly arid world.
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