Abstracts of Annual Meeting of the Geochemical Society of Japan
Abstracts of Annual Meeting of the Geochemical Society of Japan
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Potential of phosphate oxygen isotope for elucidating the phosphorus cycle
*Takuya Ishida
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Pages 88-

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Abstract

Phosphorus is an essential nutrient for all living organisms and can be the limiting factor for primary production. The phosphorus cycle is severely affected by anthropogenic disturbances caused by large amounts of phosphorus fertilization of agricultural land. is an increasingly applied tool to elucidate P sources and cycling in aquatic and terrestrial systems. Phosphate oxygen isotope have been analyzed in various environmental samples such as environmental water, rocks, soils, and sediments, and in anthropogenic samples such as fertilizers, detergents, and sewage. Previous studies have shown that phosphate oxygen isotope analysis can be a useful tool in assessing the sources of phosphorus and the effects of biological activities in each ecosystem. In this presentation, I introduce recent studies and discuss the advantages, challenges, and future possibilities for understanding phosphorus cycle.

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