Summary
This meta-analysis of nearly 32,000 soil health publications reveals a pronounced geographic mismatch: whilst soil health research is concentrated in Europe, China, the United States, India, and Brazil, the regions facing the most severe threats—Central and South America (excluding Brazil), Africa, Southeast Asia, and the Middle East—remain global blind spots despite harbouring rich biodiversity and experiencing high deforestation rates. The authors argue this inequitable distribution of scientific capacity undermines the development of locally tailored solutions to soil security and restoration, and call for research partnerships that empower underrepresented regions with scientific leadership.
UK applicability
The United Kingdom, as part of Europe, is among the well-represented regions in soil health research. However, the paper's findings underscore that global soil degradation and food security challenges cannot be adequately addressed without building research capacity in vulnerable regions, which may inform UK policy on international agricultural development partnerships and climate-resilience aid.
Key measures
Number and geographic distribution of peer-reviewed articles on soil health; identification of research blind spots; correlation between research gaps and rates of deforestation, erosion, and climate vulnerability
Outcomes reported
The study quantified publication volume and geographic distribution of soil health research across 31,999 articles, identifying regions where research output is disproportionately low relative to environmental threats.
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