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Can we produce carbon and climate neutral forest bioenergy?

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Repo, Anna
dc.contributor.author Tuovinen, Juha Pekka
dc.contributor.author Liski, Jari
dc.date.accessioned 2016-12-21T07:10:55Z
dc.date.issued 2015-03-01
dc.identifier.citation Repo , A , Tuovinen , J P & Liski , J 2015 , ' Can we produce carbon and climate neutral forest bioenergy? ' , GLOBAL CHANGE BIOLOGY BIOENERGY , vol. 7 , no. 2 , pp. 253-262 . https://doi.org/10.1111/gcbb.12134 en
dc.identifier.issn 1757-1693
dc.identifier.other PURE UUID: 5d991839-46ae-4cfc-a377-92eb154078d5
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/5d991839-46ae-4cfc-a377-92eb154078d5
dc.identifier.other PURE LINK: http://www.scopus.com/inward/record.url?scp=84923096071&partnerID=8YFLogxK
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/9714265/Repo_et_al_2015_GCB_Bioenergy.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/23836
dc.description.abstract Harvesting branches, stumps and unmercantable tops, in addition to stem wood, decreases the carbon input to the soil and consequently reduces the forest carbon stock. We examine the changes in the forest carbon cycle that would compensate for this carbon loss over a rotation period and lead to carbon neutral forest residue bioenergy systems. In addition, we analyse the potential climate impact of these carbon neutral systems. In a boreal forest, the carbon loss was compensated for with a 10% increase in tree growth or a postponing of final felling for 20 years from 90 to 110 years in one forest rotation period. However, these changes in carbon sequestration did not prevent soil carbon loss. To recover soil carbon stock, a 38% increase in tree growth or a 21% decrease in the decomposition rate of the remaining organic matter was needed. All the forest residue bioenergy scenarios studied had a warming impact on climate for at least 62 years. Nevertheless, the increases in the carbon sequestration from forest growth or reduction in the decomposition rate of the remaining organic matter resulted in a 50% smaller warming impact of forest bioenergy use or even a cooling climate impact in the long term. The study shows that carbon neutral forest residue bioenergy systems have warming climate impacts. Minimization of the forest carbon loss improves the climate impact of forest bioenergy. en
dc.format.extent 10
dc.format.extent 253-262
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartofseries GLOBAL CHANGE BIOLOGY BIOENERGY en
dc.relation.ispartofseries Volume 7, issue 2 en
dc.rights openAccess en
dc.title Can we produce carbon and climate neutral forest bioenergy? en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.contributor.department Finnish Environment Institute
dc.contributor.department Finnish Meteorological Institute
dc.contributor.department Department of Mathematics and Systems Analysis en
dc.subject.keyword Climate impact
dc.subject.keyword Forest carbon
dc.subject.keyword Forest harvest residues
dc.subject.keyword Indirect emissions
dc.subject.keyword Logging residues
dc.subject.keyword Radiative forcing
dc.identifier.urn URN:NBN:fi:aalto-201612216013
dc.identifier.doi 10.1111/gcbb.12134
dc.type.version publishedVersion

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