Soil organic carbon stabilization and formation: mechanism and model

Zhou Zhenghu; Liu Lin; Hou Lei

doi:10.12171/j.1000-1522.20220183

Journal of Beijing Forestry University > 2022 > 44(10): 11-22. > DOI: 10.12171/j.1000-1522.20220183

Zhou Zhenghu, Liu Lin, Hou Lei. Soil organic carbon stabilization and formation: mechanism and model[J]. Journal of Beijing Forestry University, 2022, 44(10): 11-22. DOI: 10.12171/j.1000-1522.20220183

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Soil organic carbon stabilization and formation: mechanism and model

Zhou Zhenghu^1,,
Liu Lin¹,
Hou Lei^{1, 2, ,}

1.
Center for Ecological Research of Northeast Forestry University, Key Laboratory of Sustainable Forest Ecosystem Management of Ministry of Education, Harbin 150040, Heilongjiang, China
2.
Resources & Environment College, Tibet Agriculture & Animal Husbandry University, Nyingchi 860000, Tibet, China

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Received Date: May 10, 2022
Revised Date: June 10, 2022
Accepted Date: July 12, 2022
Available Online: July 13, 2022
Published Date: October 24, 2022

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Abstract

Abstract

Soil organic carbon (SOC) represents 25% of the potential of natural climate solutions, improvement of SOC storage is a critical pathway to realize “carbon neutralization”. Reasonable SOC management and accurate model prediction require deep understanding of soil carbon cycling processes. However, the persistence mechanism of SOC, pathways controlling SOC formation, and their environmental regulations are not clear. Here, we first synthesized the frontier theories and mechanisms of SOC stabilization (biochemical recalcitrance, mineral protection, and aggregation protection) and formation (humification, microbial efficiency-matrix stabilization framework, and microbial carbon pump theory); we then reviewed the development of soil carbon cycling models (Century model, microbial model, and microbial-mineral model); we finally proposed the urgent scientific question for future experimental and modelling studies.

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References (103)

References

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