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Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: The age of CO2 released from soils in contrasting ecosystems during the arctic winter
Author(s): Hartley, Iain P
Garnett, Mark H
Sommerkorn, Martin
Hopkins, David W
Wookey, Philip A
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Keywords: 14CO2
passive sampling
mountain birch
winter respiration
Issue Date: 31-Aug-2013
Date Deposited: 7-Sep-2018
Citation: Hartley IP, Garnett MH, Sommerkorn M, Hopkins DW & Wookey PA (2013) The age of CO2 released from soils in contrasting ecosystems during the arctic winter. Soil Biology and Biochemistry, 63, pp. 1-4.
Abstract: In arctic ecosystems, winter soil respiration can contribute substantially to annual CO2 release, yet the source of this C is not clear. We analysed the 14C content of C released from plant-free plots in mountain birch forest and tundra-heath. Winter-respired CO2 was found to be a similar age (tundra) or older (forest) than C released during the previous autumn. Overall, our study demonstrates that the decomposition of older C can continue during the winter, in these two contrasting arctic ecosystems.
DOI Link: 10.1016/j.soilbio.2013.03.011
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