Camille Dezécache

PhD defended on May, 17th 2017

Deforestation-induced carbon emissions in the Guiana Shield: modelling under uncertain context and economic quantification of alternative scenarios

The Amazon forest represents the largest continuous and intact forest on Earth. Within it, the Guiana Shield extends over 2.5 million sq. km and six countries in South America (Brazil with the State of Amapá, France with French Guiana, Guyana, Suriname and part of Colombia and Venezuela). This project focuses especially on the part of the Guiana Shield corresponding to Amapá, French Guiana, Guyana and Suriname. This area is characterized by a very high forest cover, higher than 80%, and very low historical rates of deforestation (lower than 0.3% annually) compared to other regions of the Amazon Basin (FFEM, 2010). Moreover, it represents a major biological and cultural heritage to protect. In order to preserve these forests, economic incentive tools were proposed by the international community, in particular in the context of the fight against climate change. Within this framework, they mainly concern forest conservation aiming at protecting the carbon stock they host (case of the REDD+ initiative for example, Reducing emissions from deforestation and forest degradation). In relation with the carbon market, these tools would allow third States or economic agents to finance a more ambitious development policy in the fight against deforestation and forest degradation in a given country, in exchange for carbon credits.

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