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March 8, 2024

Mechanisms of soil organic carbon accumulation driven by karst vegetation restoration

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WZWei Zhang

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Overview

Observational analysis demonstrates increased soil organic carbon accumulation across restored karst catchments, highlighting mineral protection mediated by carbonate weathering.

Key Points

  • Restoration of karst vegetation significantly accelerates soil organic carbon accumulation, reaching 39 g C m–2 yr–1 under natural recovery and 18–27 g C m–2 yr–1 in managed sites.
  • Assessment of 362 fixed locations across Southwest China reveals that karst forest soils accrue higher mineral-associated organic carbon than non-karst soils across climatic gradients.
  • Findings demonstrate that carbonate rock weathering and calcium-mediated mineral protection stabilize microbial necromass carbon, confirming substantial soil carbon sink capacity.

Cite This Study

Wei Zhang (2024) studied this question.

synapsesocial.com/papers/68e751c5b6db6435876ca544https://doi.org/10.5194/egusphere-egu24-3715
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Also Consider

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  1. 1Vegetation restoration is associated with soil microbial community reassembly and necromass carbon accumulation via calcium mediation in a degraded karst ecosystem2026 · 1 citations
  2. 2Towards Achieving Carbon Neutrality: The Role of Vegetation Restoration in Karst Regions of Southwest China2024 · 17 citations
  3. 3Responses of Soil Organic Carbon and Its Physical Fractions to Ecological Restoration in the Karst Area of Southwest China2026
  4. 4Accumulation of soil microbial necromass carbon and its contribution to soil organic carbon after vegetation restoration in the Tibetan Plateau2024 · 2 citations
  5. 5Vegetation Restoration Enhances Aggregate‐Mediated Soil Organic Carbon Stabilization in Degraded Karst Landscapes of China: A Meta‐Analysis2026