Hartley, I.P., Garnett, M.H. , Sommerkorn, M., Hopkins, D.W. and Wookey, P.A. (2013) The age of CO2 released from contrasting ecosystems during the arctic winter. Soil Biology and Biochemistry, 63, pp. 1-4. (doi: 10.1016/j.soilbio.2013.03.011)
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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.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Garnett, Dr Mark |
Authors: | Hartley, I.P., Garnett, M.H., Sommerkorn, M., Hopkins, D.W., and Wookey, P.A. |
College/School: | College of Science and Engineering > Scottish Universities Environmental Research Centre |
Journal Name: | Soil Biology and Biochemistry |
ISSN: | 0038-0717 |
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