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The impact of forest management plans on trees and carbon: Modeling a decade of harvesting data in Cameroon

Cerutti Paolo Omar, Suryadarma Daniel, Nasi Robert, Forni Eric, Medjibé Vincent, Delion Sebastien, Bastin Didier. 2017. The impact of forest management plans on trees and carbon: Modeling a decade of harvesting data in Cameroon. Journal of Forest Economics, 27 : 1-9.

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Résumé : By 2010, about 25% (180 million ha) of The International Tropical Timber Organization (ITTO) producer countries' permanent forest estate was being managed using an approved forest management plan (FMP). While the existence of a FMP is often used as evidence of sustainable forest management (SFM), State officials mandated to monitor and verify FMPs' implementation often lack the technical knowledge and political incentives to assess the changes that have been introduced, notably in terms of harvested volumes and species. Among tropical timber producers, Cameroon is considered to be exemplary for its progressive forest regulatory framework. Here we aim to estimate for the first time in sub-Saharan Africa the causal impact of the implementation of FMPs on harvested volumes, species and carbon stocks. We do so by using a 12-year (1998–2009) unbalanced longitudinal data set of a detailed, official harvesting inventory of 81 concessions in Cameroon. Results provide evidence to the theoretical expectations that for many years many practitioners have had on the implementation of SFM, i.e. that FMPs show a substantial opportunity to reduce carbon emissions from forest while presenting logging companies with acceptable financial trade-offs. We explore the technical and political reasons for our findings and conclude that these analyses are important for countries that are underwriting carbon-related schemes in which they propose to reduce their emissions through the effective implementation of SFM. We also demonstrate that producer countries do record useful information that, when effectively used, can help them to inform their policies and improve their sustainable development strategies. (Résumé d'auteur)

Mots-clés Agrovoc : Forêt, forêt tropicale, Aménagement forestier, Politique forestière, Abattage d'arbres, Production forestière, Impact sur l'environnement, séquestration du carbone, Cycle du carbone, gestion des ressources naturelles, Durabilité

Mots-clés géographiques Agrovoc : Cameroun

Mots-clés complémentaires : Exploitation forestière

Classification Agris : K01 - Foresterie - Considérations générales
K10 - Production forestière
F40 - Ecologie végétale
P33 - Chimie et physique du sol
P01 - Conservation de la nature et ressources foncières

Axe stratégique Cirad : Axe 6 (2014-2018) - Sociétés, natures et territoires

Auteurs et affiliations

  • Cerutti Paolo Omar, CIFOR (KEN)
  • Suryadarma Daniel, CIFOR (KEN)
  • Nasi Robert, CIFOR (IDN)
  • Forni Eric, CIRAD-ES-UPR BSef (COG)
  • Medjibé Vincent
  • Delion Sebastien, Delion SELVA S.a.S (FRA)
  • Bastin Didier, Société Alpicam (CMR)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/584199/)

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