Matches in SemOpenAlex for { <https://semopenalex.org/work/W4283073497> ?p ?o ?g. }
- W4283073497 abstract "Abstract Iron (Fe) minerals play an important role in stabilizing soil organic carbon (SOC). Fe-mediated SOC protection is mainly achieved through adsorption, co-precipitation, or aggregation. However, newly emerging evidence indicates that the electron transfer role of Fe exerts a crucial influence upon SOC turnover. In this review, we address the pathways of Fe mineral-associated soil organic carbon (Fe-SOC) formation and decomposition, and summarize the Fe-mediated biogeochemical, including redox reactions, and physical processes that control SOC cycling. The reduction of Fe can release SOC from Fe-SOC coprecipitates and Fe(III) cemented micro-aggregates, with the process also releasing CO 2 from the metabolic coupling of SOC oxidation and Fe reduction. The abiotic oxidation of Fe(II) by oxidants can also oxidize SOC to produce CO 2 due to reactive oxygen species production. Therefore, the functional roles of Fe on SOC sequestration may be a double-edged sword, and these processes are rarely explored concurrently. We conclude that the roles of Fe minerals in SOC stability depend on the properties of the Fe mineral, edaphic properties, and anthropogenic influence. We highlight knowledge gaps and promising directions of future research in redox-dynamic environments to optimize carbon storage in soil. Graphical Abstract" @default.
- W4283073497 created "2022-06-19" @default.
- W4283073497 creator A5000743184 @default.
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- W4283073497 creator A5089014033 @default.
- W4283073497 creator A5091383290 @default.
- W4283073497 date "2022-06-18" @default.
- W4283073497 modified "2023-10-14" @default.
- W4283073497 title "Towards a better understanding of the role of Fe cycling in soil for carbon stabilization and degradation" @default.
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