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Perspectives from the Fritz‐Scheffer Awardee 2019. Oxygen isotopes in phosphate—The key to phosphorus tracing?

Phosphorus (P) tracing in natural environments is challenging, lacking stable P isotopes Oxygen isotope ratios in phosphate ( d 18 O P ) represent a novel tool for tracing the biological cycling of P from the global scale down to hotspots at the micro-scale and within particular soil compartments such as aggregates or pores. Despite the small number of studies available so far, existing data indicate that d 18 O P values point to where, at what extent and how efficiently P is recycled in soils.