Summary
This meta-analysis synthesises peer-reviewed studies to quantify the effects of multiple global change factors—including climate change, land use conversion, pollution and nitrogen deposition—on soil microbial community structure and functional gene abundances. The work appears to identify differential responses of microbial richness and functional diversity across stressors and biomes, contributing to understanding of how anthropogenic pressures alter belowground communities critical for soil health and ecosystem function. The findings have implications for predicting soil resilience and biogeochemical cycling under future environmental scenarios.
UK applicability
The meta-analytical framework and effect estimates are applicable to UK soil systems, particularly in assessing how intensification, pollution and climatic pressures affect microbial function in arable and grassland soils. However, the global synthesis may obscure region-specific responses, and UK-specific validation through local field studies would strengthen applicability to British farming and land management policy.
Key measures
Soil microbial richness, alpha and beta diversity, functional gene abundances (as suggested by nitrogen cycling, carbon cycling and other biogeochemical genes), effect sizes of global change drivers
Outcomes reported
The study synthesised evidence on how multiple global change factors (climate change, land use change, pollution, nitrogen deposition) affect soil microbial richness, diversity and the abundance of functional genes involved in biogeochemical cycling. Results quantified differential microbial responses across environmental stressors and geographic contexts.
Topic tags
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