Forest management plan validation gradually reduces forest loss in Congo Basin concessions

Le résumé fourni par la source

Abstract Forest management plans are central to regulations governing logging concessions in the Congo Basin, yet their long-term effectiveness remains uncertain. Here, we combine annual satellite-derived forest change data with administrative concession records and exploit variation in the timing of plan validation across five countries to assess how validation influences forest-cover dynamics from 2000 to 2020 using counterfactual impact-evaluation methods. We find that concessions with validated plans experience a gradual, sustained decline in forest loss, averaging 100 ± 44 hectares per year, equivalent to a 47% reduction relative to concessions operating without validated plans. Effects persist for up to 19 years and occur in concessions with and without independent third-party certification. These results indicate that accelerating the validation and implementation of forest management plans can substantially reduce forest disturbance in the Congo Basin.

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