The forgotten D: Challenges of addressing forest degradation in complex mosaic landscapes under REDD+

Mertz Ole, Müller Daniel, Sikor Thomas, Hett Cornelia, Heinimann Andreas, Castella Jean-Christophe, Lestrelin Guillaume, Ryan Casey M., Reay David D., Schmidt-Vogt Dietrich, Danielsen Finn, Theilade Ida, Van Noordwijk Meine, Verchot Louis, Burgess Neil D., Berry Nicholas J., Pham Thuy Thu, Messerli Peter, Xu Jianchu, Fensholt Rasmus, Hostert Patrick, Pflugmacher Dirk, Bruun Thilde Bech, de Neergaard Andreas, Dons Klaus, Dewi Sonya, Rutishauser Ervan, Sun Zhanli. 2012. The forgotten D: Challenges of addressing forest degradation in complex mosaic landscapes under REDD+. Geografisk Tidsskrift-Danish Journal of Geography, 112 (1) : 63-76.

Quartile : Q3, Sujet : GEOGRAPHY / Quartile : Q4, Sujet : ENVIRONMENTAL STUDIES

Résumé : International climate negotiations have stressed the importance of considering emissions from forest degradation under the planned REDD+ (Reducing Emissions from Deforestation and forest Degradation + enhancing forest carbon stocks) mechanism. However, most research, pilot-REDD+ projects and carbon certification agencies have focused on deforestation and there appears to be a gap in knowledge on complex mosaic landscapes containing degraded forests, smallholder agriculture, agroforestry and plantations. In this paper we therefore review current research on how avoided forest degradation '… may affect emissions of greenhouse gases …' (GHG) and expected co-benefits in terms of biodiversity and livelihoods. There are still high uncertainties in measuring and monitoring emissions of carbon and other GHG from mosaic landscapes with forest degradation since most research has focused on binary analyses of forest vs. deforested land. Studies on the impacts of forest degradation on biodiversity contain mixed results and there is little empirical evidence on the influence of REDD+ on local livelihoods and tenure security, partly due to the lack of actual payment schemes. Governance structures are also more complex in landscapes with degraded forests as there are often multiple owners and types of rights to land and trees. Recent technological advances in remote sensing have improved estimation of carbon stock changes but establishment of historic reference levels is still challenged by the availability of sensor systems and ground measurements during the reference period. The inclusion of forest degradation in REDD+ calls for a range of new research efforts to enhance our knowledge of how to assess the impacts of avoided forest degradation. A first step will be to ensure that complex mosaic landscapes can be recognised under REDD+ on their own merits.

Mots-clés Agrovoc : forêt, forêt tropicale, déboisement, dégradation des forêts, changement climatique, séquestration du carbone, réduction des émissions, protection de la forêt, utilisation des terres, gestion des ressources, gestion des ressources naturelles, gouvernance, biodiversité, moyens d'existence durables, communauté rurale

Classification Agris : K01 - Foresterie - Considérations générales
K70 - Dégâts causés aux forêts et leur protection
P01 - Conservation de la nature et ressources foncières
P40 - Météorologie et climatologie

Champ stratégique Cirad : Axe 6 (2005-2013) - Agriculture, environnement, nature et sociétés

Auteurs et affiliations

• Mertz Ole, UCPH (DNK)
• Müller Daniel, Leibniz Institute of Agricultural Development in Central and Eastern Europe (DEU)
• Sikor Thomas, University of East Anglia (GBR)
• Hett Cornelia, University of Bern (CHE)
• Heinimann Andreas, University of Bern (CHE)
• Castella Jean-Christophe, IRD (LAO) ORCID: 0000-0003-3532-0728
• Lestrelin Guillaume, IRD (LAO) ORCID: 0000-0001-6207-218X
• Ryan Casey M., University of Edinburgh (GBR)
• Reay David D., University of Edinburgh (GBR)
• Schmidt-Vogt Dietrich, CAS (CHN)
• Danielsen Finn, NORDECO (DNK)
• Theilade Ida, UCPH (DNK)
• Van Noordwijk Meine, ICRAF (IDN)
• Verchot Louis, CIFOR (IDN)
• Burgess Neil D., UCPH (DNK)
• Berry Nicholas J., University of Edinburgh (GBR)
• Pham Thuy Thu, CIFOR (VNM)
• Messerli Peter, University of Bern (CHE)
• Xu Jianchu, CAS (CHN)
• Fensholt Rasmus, UCPH (DNK)
• Hostert Patrick, Humboldt Universität zu Berlin (DEU)
• Pflugmacher Dirk, Humboldt Universität zu Berlin (DEU)
• Bruun Thilde Bech, UCPH (DNK)
• de Neergaard Andreas, UCPH (DNK)
• Dons Klaus, UCPH (DNK)
• Dewi Sonya, CIFOR (IDN)
• Rutishauser Ervan, CIFOR (IDN)
• Sun Zhanli, Leibniz Institute of Agricultural Development in Central and Eastern Europe (DEU)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/584330/)

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