TAILIEUCHUNG - Báo cáo lâm nghiệp: "Carbon accumulation in Finland’s forests 1922–2004 – an estimate obtained by combination of forest inventory data with modelling of biomass, litter and soil"

Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: Carbon accumulation in Finland’s forests 1922–2004 – an estimate obtained by combination of forest inventory data with modelling of biomass, litter and soil. | Ann. For. Sci. 63 2006 687-697 INRA EDP Sciences 2006 DOI forest 2006049 687 Original article Carbon accumulation in Finland s forests 1922-2004 - an estimate obtained by combination of forest inventory data with modelling of biomass litter and soil Tori Ĩ TQVTa b A ĩ nuTiANTCNTc Torn p AT OQTToa l ĩiWõ Pcttíymttĩaatc TIiidc Fc zcd ca Jaii LloKl AlekSi LbnlU EN Taiu PALUỒUU Wlikko PELlONlElvll Thies EuueKd Petteri Muukkonenc Raisa MAKlPAAc a European Forest Institute Torikatu 34 80100 Joensuu Finland b Finnish Environment Institute Research Department Research Programme for Global Change PO Box 140 00251 Helsinki Finland c Finnish Forest Research Institute Vantaa Research Centre PO Box 18 01301 Vantaa Finland Received 10 October 2005 accepted 3 April 2006 Abstract - Comparable regional scale estimates for the carbon balance of forests are needed for scientific and political purposes. We developed a method for deriving these estimates from readily available forest inventory data by using statistical biomass models and dynamic modelling of litter and soil. Here we demonstrate this method and apply it to Finland s forests between 1922 and 2004. The method was reliable since the results obtained were comparable to independent data. The amount of carbon stored in the forests increased by 29 79 of which was found in the biomass and 21 in the litter and soil. The carbon balance varied annually depending on the climate and level of harvesting with each of these factors having effects on the biomass differing from those on the litter and soil. Our results demonstrate the importance of accounting for all forest carbon pools to avoid misleading pictures of short- and long-term forest carbon balance. carbon inventory forest biomass greenhouse gas inventory litter soil modelling Résumé - Accumulation de carbone dans les forêts finlandaises entre 1922 et 2004 une estimation obtenue en combinant les données de l inventaire forestier avec une modélisation de la biomasse de

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