Estimation of carbon storage in green space soil based on plant decomposition characteristics.

Q: What does this research mean for the field?

Approximately 30% of total plant carbon decomposes into carbon dioxide, demonstrating that understanding the ratio of decomposed to retained organic carbon is an effective method for quantitatively evaluating short-term carbon sequestration in green spaces. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Terumasa TAKAHASHI; Syota CHIBA; Syuji Komatsu

doi:10.7211/jjsrt.52.1

August 30, 2026Journal of the Japanese Society of Revegetation TechnologyOpen Access

Estimation of carbon storage in green space soil based on plant decomposition characteristics.

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Key Points

Assess the carbon sequestration potential of green space soils by examining the kinetics of plant biomass decomposition.
Harvested grassland plants in July (post-mowing) and November (regrowth) to encompass annual vegetative biomass.
Mixed harvested plant material into soil and monitored carbon dioxide release rates over time.
Performed kinetic analysis on gas release rates to quantify the total plant carbon converted to carbon dioxide.
Approximately 30% of total plant carbon decomposed into carbon dioxide gas during soil incubation.
Around 70% of plant-derived carbon persisted in the soil as stable organic matter, underscoring the balance between fixation and decomposition in green space carbon sinks.

Implication

Experimental study demonstrates that decomposing grassland plants release thirty percent of carbon as gas, indicating substantial soil organic matter retention.

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Cite This Study

TAKAHASHI et al. (2026) studied this question.

synapsesocial.com/papers/6a97e237c562ede874ec641e https://doi.org/10.7211/jjsrt.52.1

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Estimation of carbon storage in green space soil based on plant decomposition characteristics.

Key Points

Implication

Abstract

Discussion

Cite This Study

Estimation of carbon storage in green space soil based on plant decomposition characteristics.

Key Points

Implication

Abstract

Discussion

Cite This Study

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