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November 21, 2025Environmental Science & Technology

Deciphering the Complex Interactions between Litter Inputs and Microbial Responses in Modulating Long-Term Soil Organic Matter Dynamics

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Authors

MMMeiling ManLCLaura Castañeda‐GómezMMMarie‐Ange Moisan

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Overview

Findings reveal litter impacts on soil carbon and microbial communities in temperate forests, suggesting management may not enhance sequestration.

Key Points

  • This research examines how litter inputs affect microbial communities and soil organic matter in temperate forests.
  • Identified molecular-level evidence of changes in SOM composition and microbial communities over 30 years.
  • Evaluated the impact of chronic litter addition on soil carbon and its dynamics.
  • Assessed shifts in microbial composition and carbon use in response to detrital input exclusion.
  • Chronic litter addition did not increase soil carbon after 30 years.
  • Exclusion of litter inputs decreased soil carbon, leading to enhanced SOM decomposition.
  • Microbial community composition shifted towards oligotrophs that utilize less favorable carbon substrates.

Cite This Study

Man et al. (2025) studied this question.

synapsesocial.com/papers/6924e3ecc0ce034ddc34eccfhttps://doi.org/10.1021/acs.est.5c08706
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Three Decades of Litter Manipulation Distinctly Shifts Soil Organic Matter Composition and Constrains Soil Carbon Sequestration in Temperate Forest Soils2026
  2. 2Litter and root sources of soil organic matter in a temperate forest: Thirty years in the DIRT2024 · 6 citations
  3. 3Changes in litter and nitrogen deposition differentially alter forest soil organic matter biogeochemistry2024 · 13 citations
  4. 4Climate Zone Overrides Litter Input in Shaping Forest Soil Carbon Fractions: A Global Meta-Analysis2026
  5. 5Spatially explicit impact of enhanced leaf litter leaching on the forest soil microbiome2026