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April 10, 2026Ecological Applications

Necromass carbon but not microbes constrain soil carbon release in restoration of degraded alpine grassland

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Authors

QSQijing SunGWGenxu WangYWYangxue Wen

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Overview

Investigation shows that plant-derived carbon drives soil carbon release in degraded alpine grasslands, indicating crucial ecological relationships.

Key Points

  • This investigation focuses on how plant and microbial communities influence soil carbon release during the restoration of degraded alpine grasslands.
  • Conducted passive and active restoration experiments on the Qinghai-Tibetan Plateau.
  • Utilized aerobic incubation to assess soil CO2-C release.
  • Employed high-throughput sequencing to analyze microbial communities.
  • Performed biomarker analyses to examine carbon sources and dynamics.
  • Soil CO2-C release significantly increased with restoration progress.
  • Restoration improved plant-derived carbon accumulation while microbial-derived carbon remained stable.
  • Active restoration accelerated plant-derived carbon accumulation, but with lower oxidation compared to passive methods.
  • Restructuring of the fungal community was noted, particularly among saprophytic fungi.
  • Soil CO2-C release is more linked to plant-derived carbon dynamics than to microbial shifts.

Cite This Study

Sun et al. (2026) studied this question.

synapsesocial.com/papers/69d894326c1944d70ce0516chttps://doi.org/10.1002/eap.70225
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Also Consider

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

  1. 1Fungal necromass dominates soil organic carbon accrual after decadal active restoration of alpine grassland2026
  2. 2Long‐Term Active Rather than Passive Restoration Promotes Soil Organic Carbon Accumulation by Alleviating Microbial Nitrogen Limitation in an Extremely Degraded Alpine Grassland2025 · 3 citations
  3. 3Long-Term Active Rather than Passive Restoration Promotes Soil Organic Carbon Accumulation by Alleviating Microbial Nitrogen Limitation in an Extremely Degraded Alpine Grassland2026
  4. 4Active Restoration of Carbon Poor Degraded Grassland Accelerated Subsoil Carbon Accumulation and Turnover2025
  5. 5Contributions of Plant- and Microbial-Derived Carbon to Soil Organic Carbon Across a Grassland Restoration Chronosequence in a Semi-Arid Typical Steppe of Inner Mongolia2026