Table of ContentsPresentationsSession 3: <strong>L<strong>and</strong></strong> <strong>Use</strong>, <strong>L<strong>and</strong></strong>-<strong>Use</strong> change <strong>and</strong> <strong>Forestry</strong> Activities under Articles 3.3 <strong>and</strong> 3.4.J.Liski, T.Karjalainen, A.Pussinen, G.J. Nabuurs <strong>and</strong> P.KauppiTrees as carbon sinks <strong>and</strong> sources in <strong>the</strong> European Union 1D.BradleyDomestic options for carbon management 5S.SubakAddressing COP6 decisions on agricultural soil carbon accumulation 9A.Cowie <strong>and</strong> K.LambMeasuring <strong>and</strong> marketing carbon sequestration in planted forests in NewSouth Wales, Australia 17
Liski et al – Trees as carbon sinks <strong>and</strong> sources in <strong>the</strong> European Union 1Trees as carbon sinks <strong>and</strong> sources in <strong>the</strong> European UnionLiski J 1) *, Karjalainen T 1) , Pussinen A 1) , Nabuurs G-J 2) & Kauppi P 3)1) European Forest Institute, Torikatu 34, FIN-80100 Joensuu, Finl<strong>and</strong>2) Institute for <strong>Forestry</strong> <strong>and</strong> Nature Research, Postbus 23, NL-6700 AA, Wageningen, The Ne<strong>the</strong>rl<strong>and</strong>s3) Department of Limnology <strong>and</strong> Environmental Protection, P.O. Box 27, FIN-00014 University of Helsinki,Finl<strong>and</strong>ABSTRACTThe carbon (C) sinks <strong>and</strong> sources of trees that may be accounted for under Article 3.3 of <strong>the</strong> Kyoto Protocolduring <strong>the</strong> first commitment period from 2008 to 2012 were estimated for <strong>the</strong> countries of <strong>the</strong> EuropeanUnion (EU) based on existing forest inventory data. Two sets of definitions for <strong>the</strong> accounted activities,afforestation, reforestation <strong>and</strong> deforestation, were applied. Applying <strong>the</strong> definitions by <strong>the</strong> Food <strong>and</strong>Agricultural Organization of <strong>the</strong> United Nations (FAO), <strong>the</strong> trees were estimated to be a C source in 8 <strong>and</strong> aC sink in 7 countries, <strong>and</strong> in <strong>the</strong> whole EU a C source of 5.4 Tg year -1 . Applying <strong>the</strong> definitions by <strong>the</strong>Intergovernmental Panel of Climate <strong>Change</strong> (IPCC), <strong>the</strong> trees were estimated to be a C source in 3 <strong>and</strong> a Csink in 12 countries, <strong>and</strong> in <strong>the</strong> whole EU a C sink of 0.1 Tg year -1 . These estimates are small compared with<strong>the</strong> C sink of trees in all EU forests, 63 Tg year -1 , <strong>the</strong> anthropogenic CO 2 emissions of <strong>the</strong> EU, 880 Tg Cyear -1 , <strong>and</strong> <strong>the</strong> reduction target of <strong>the</strong> CO 2 emissions, 8 %. In individual countries, <strong>the</strong> estimated C sink of <strong>the</strong>trees accounted for under Article 3.3 was at largest 8% <strong>and</strong> <strong>the</strong> C source 12% compared with <strong>the</strong> CO 2emissions.Key words:Kyoto Protocol, Article 3.3, carbon sink, carbon source, stock change, forest, CO 2 emission, afforestation,reforestation, deforestation.
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