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Methane emissions from the trunks of living trees on upland soils

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dc.contributor.author Wang, Zhi-Ping en
dc.contributor.author Gu, Qian en
dc.contributor.author Deng, Feng-Dan en
dc.contributor.author Huang, Jian-Hui en
dc.contributor.author Megonigal, J. Patrick en
dc.contributor.author Yu, Qiang en
dc.contributor.author Lü, Xiao-Tao en
dc.contributor.author Li, Ling-Hao en
dc.contributor.author Chang, Scott en
dc.contributor.author Zhang, Yun-Hai en
dc.contributor.author Feng, Jin-Chao en
dc.contributor.author Han, Xing-Guo en
dc.date.accessioned 2016-04-07T11:33:18Z
dc.date.available 2016-04-07T11:33:18Z
dc.date.issued 2016
dc.identifier.citation Wang, Zhi-Ping, Gu, Qian, Deng, Feng-Dan, Huang, Jian-Hui, Megonigal, J. Patrick, Yu, Qiang, Lü, Xiao-Tao, Li, Ling-Hao, Chang, Scott, Zhang, Yun-Hai, Feng, Jin-Chao, and Han, Xing-Guo. 2016. "<a href="https%3A%2F%2Frepository.si.edu%2Fhandle%2F10088%2F28353">Methane emissions from the trunks of living trees on upland soils</a>." <em>New Phytologist</em>. 211 (2):429&ndash;439. <a href="https://doi.org/10.1111/nph.13909">https://doi.org/10.1111/nph.13909</a> en
dc.identifier.issn 0028-646X
dc.identifier.uri https://hdl.handle.net/10088/28353
dc.description.abstract * Upland forests are traditionally thought to be net sinks for atmospheric methane (CH4). In such forests, in situ CH4 fluxes on tree trunks have been neglected relative to soil and canopy fluxes. * We measured in situ CH4 fluxes from the trunks of living trees and other surfaces, such as twigs and soils, using a static closed-chamber method, and estimated the CH4 budget in a temperate upland forest in Beijing. * We found that the trunks of Populus davidiana emitted large quantities of CH4 during July 2014-July 2015, amounting to mean annual emissions of 85.3 and 103.1 ?g m-2 h-1 on a trunk surface area basis on two replicate plots. The emission rates were similar in magnitude to those from tree trunks in wetland forests. The emitted CH4 was derived from the heartwood of trunks. On a plot or ecosystem scale, trunk CH4 emissions were equivalent to c. 30-90% of the amount of CH4 consumed by soils throughout the year, with an annual average of 63%. * Our findings suggest that wet heartwoods, regardless of rot or not, occur widely in living trees on various habitats, where CH4 can be produced. en
dc.relation.ispartof New Phytologist en
dc.title Methane emissions from the trunks of living trees on upland soils en
dc.type Journal Article en
dc.identifier.srbnumber 139239
dc.identifier.doi 10.1111/nph.13909
rft.jtitle New Phytologist
rft.volume 211
rft.issue 2
rft.spage 429
rft.epage 439
dc.description.SIUnit SERC en
dc.description.SIUnit Peer-reviewed en
dc.citation.spage 429
dc.citation.epage 439

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