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Atmosphere & biosphere Measuring emissions from common tree species in Belgium Since 2007, measurements of BVOC emissions from common tree species in Belgium (mainly Fagus sylvatica L., also known as European beech) have been performed by BIRA-IASB in the framework of the IMPECVOC project, in close collaboration with the University of Ghent and the University of Liège (Gembloux Agro-Bio Tech). The influence of environmental conditions and leaf phenology on BVOC emissions are studied at different levels of organization. Measurements on the branch scale are performed on young trees in climate chambers and on a full-grown beech tree in an experimental forest (Gontrode) by using dynamic branch enclosure systems, which were designed and manufactured at the Institute. BVOC emission measurements at the scale of an entire ecosystem are performed in a forest in the Belgian Ardennes (Vielsalm). The measurements are carried out with a state-of-the-art Proton Transfer Reaction Mass Spectrometer and should result in improved estimations of BVOC emissions.
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