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Managed rainforests support higher carbon density and sequestration in the Congo Basin
Article de revue scientifique   Open Access   Avec comité de lecture

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

Le Bienfaiteur Sagang, Ricardo Dalagnol, Lee White, Stephanie George-Chacon, Samuel Favrichon, Shuang Li, Fabien Wagner, Zhihua Liu, Dafeng Zhang, Alfred Ngomanda, …
Nature Communications
30/04/2026

Résumé

Ecosystem services Environmental impact
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 1 , 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.

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