Summary
Published in Nature Reviews Earth & Environment, this review by Alewell and colleagues synthesises evidence on the scale and mechanisms of global soil degradation, with particular attention to nutrient losses and their downstream effects on food systems. The authors likely draw on global datasets and modelling to characterise the feedback between land management, soil health, and nutrient availability. The paper is expected to make a substantial contribution to understanding how degraded soils compromise both agricultural productivity and the nutritional quality of food.
UK applicability
Although the scope is global, the findings are broadly applicable to UK policy and practice, particularly in the context of the UK's Environmental Land Management schemes and commitments to improving soil health under post-Brexit agricultural policy.
Key measures
Soil degradation indicators (erosion rates, organic matter loss, nutrient depletion); global nutrient budgets; food and nutritional security metrics
Outcomes reported
The paper likely reports on the extent and drivers of soil degradation worldwide and its consequences for nutrient cycling, crop nutrient density, and the ability of soils to sustain food production for a growing global population.
Topic tags
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