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<p>Land-use is a key driver of forest loss and aboveground live carbon (AGC) emissions in the Congo Basin (CB) rainforest. Here we evaluate the influence of land-use disturbances on AGC stocks and fluxes by developing an AGC density map for the year 2020 and integrating it with high-resolution forest cover change data spanning 30 years (1990-2020) to quantify carbon emissions and removals. Logged forests show 8% (5%–10%) less AGC compared to old growth, while slash-and-burn and unmanaged degradations display up to 50% differences. Unmanaged areas account for 54% of the region’s AGC storage. Old growth dominates the total AGC removals (84%) with the region functioning as a net AGC sink at -37.5 ± 4.8 TgCyr<sup>1</sup>, driven by logging concessions (-21.3 ± 2.4 TgCyr<sup>-1</sup>) and protected areas (-15.7 ± 2.2 TgCyr<sup>-1</sup>), while unmanaged areas remained nearly neutral. These findings emphasize the role of sustainable forests management to enhance carbon retention in the region.</p>

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Managed rainforests support higher carbon density and sequestration in the Congo Basin

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月30日

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  • Le Bienfaiteur Sagang,
  • Ricardo Dalagnol,
  • Lee White,
  • Stephanie George-Chacon,
  • Samuel Favrichon,
  • Shuang Li,
  • Fabien Wagner,
  • Zhihua Liu,
  • Dafeng Zhang,
  • Alfred Ngomanda,
  • Vincent Medjibe,
  • Bonaventure Sonké,
  • Nicolas Barbier,
  • Elsa M. Ordway,
  • Sassan Saatchi

摘要

Land-use is a key driver of forest loss and aboveground live carbon (AGC) emissions in the Congo Basin (CB) rainforest. Here we evaluate the influence of land-use disturbances on AGC stocks and fluxes by developing an AGC density map for the year 2020 and integrating it with high-resolution forest cover change data spanning 30 years (1990-2020) to quantify carbon emissions and removals. Logged forests show 8% (5%–10%) less AGC compared to old growth, while slash-and-burn and unmanaged degradations display up to 50% differences. Unmanaged areas account for 54% of the region’s AGC storage. Old growth dominates the total AGC removals (84%) with the region functioning as a net AGC sink at -37.5 ± 4.8 TgCyr1, driven by logging concessions (-21.3 ± 2.4 TgCyr-1) and protected areas (-15.7 ± 2.2 TgCyr-1), while unmanaged areas remained nearly neutral. These findings emphasize the role of sustainable forests management to enhance carbon retention in the region.