|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
Hopkins, David W
Wookey, Philip A
|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. https://doi.org/10.1016/j.soilbio.2013.03.011.|
ABACUS Arctic biosphere-atmosphere coupling across multiple scales
|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.|
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