Key Highlights
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A new global study of 180 field trials shows that adjusting soil pH with lime can boost soil organic carbon stocks by up to 20%, primarily by locking carbon into mineral-stabilized and physically protected pools. This work provides a scientific basis for shifting carbon credit programs from simply counting carbon stocks to verifying the stability of that stored carbon.
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In subtropical forests, researchers discovered that ectomycorrhizal (ECM) trees switch their nutrient preferences as they grow, starting with inorganic nitrogen as seedlings and shifting to phosphorus as saplings, giving them a competitive advantage over arbuscular mycorrhizal (AM) trees. This growth-stage flexibility helps explain how ECM trees come to dominate forest canopies and maintain overall forest biodiversity.
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A study of the South China Karst region from 2002 to 2022 found that over 74% of the landscape showed positive changes in vegetation productivity, but abrupt negative changes were common and mainly driven by forest disturbances. Using advanced modeling, the research highlights how forest restoration promotes steady growth while disruptions cause sudden declines, offering key insights for ecological restoration efforts.
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