Servicio de Información Comunitario sobre Investigación y Desarrollo - CORDIS

Improved guidance on the monitoring of carbon stock changes in afforestation joint implementation projects

In this project we achieved remarkable results in the field of evaluating methodologies for the assessment of carbon stocks of forested areas. The test area was established to model real afforestation/reforestation situations, where greenhouse gas emissions and removals are to be monitored complying with relevant provisions of the Kyoto Protocol and the Marrakesh Accords. Carbon stock changes in the following carbon pools were estimated: aboveground biomass, belowground biomass, litter and soil. Forest inventory data was used to estimate aboveground biomass carbon stocks and their changes. The forest inventory data were translated to carbon data using site-specific factors that were developed in the study. The biomass campaign was also used to develop biomass equations to model and analyse situations where this data can be better used to arrive at more accurate estimates. The belowground biomass data, and their changes, were estimated using default factors.

However, soil and litter carbon stock changes were estimated using site-specific data, using chrono-sequences of stands within the project test site. In order to develop carbon stock change data for periods of five years, i.e. for periods longer than the duration of the CarboInvent project, a model called CASMOFOR was used. An earlier version of this model was developed to be user-friendlier, and to produce more powerful outputs that could be used in monitoring of afforestation/reforestation projects. In addition to the emission and removal estimates, a complete uncertainty analysis was carried out to demonstrate the methods and the extent this uncertainty estimation could be used in projects. Finally, the results include improved guidelines with respect to the methodologies that could be used in monitoring afforestation/reforestation projects. These guidelines can be used not only in joint implementation projects, but also in clean development mechanism (CDM) projects.

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