Articles | Volume 17, issue 3
https://doi.org/10.5194/bg-17-581-2020
https://doi.org/10.5194/bg-17-581-2020
Research article
 | 
05 Feb 2020
Research article |  | 05 Feb 2020

Dissolved organic carbon mobilized from organic horizons of mature and harvested black spruce plots in a mesic boreal region

Keri L. Bowering, Kate A. Edwards, Karen Prestegaard, Xinbiao Zhu, and Susan E. Ziegler

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Cited articles

A National Ecological Framework for Canada: Attribute Data, edited by: Marshall, I. B., Schut, P. H., and Ballard, M., Agriculture and Agri-Food Canada, Research Branch, Centre for Land and Biological Resources Research, and Environment Canada, State of the Environment Directorate, Ecozone Analysis Branch, Ottawa/Hull, 1999. 
Beven, K. and Germann, P.: Macropores and water flow in soils, Water Resour. Res., 18, 1311–1325, https://doi.org/10.1029/WR018i005p01311, 1982. 
Beven, K. and Germann, P.: Macropores and water flow in soils revisited, Water Resour. Res., 46, 3071–3092, 2013. 
Bona, K. A., Shaw, C. H., Fyles, J. W., and Kurz, W. H.: Modelling moss-derived carbon in upland black sprcue forests, Can. J. Forest Res., 46, 520–534, 2016. 
Bonan, G. B. and Shugart, H. H.: Environmental Factors and Ecological Processes in Boreal Forsts, Annu. Rev. Ecol. Syst., 20, 1–28, 1989. 
Short summary
We examined the effects of season and tree harvesting on the flow of water and the organic carbon (OC) it carries from boreal forest soils. We found that more OC was lost from the harvested forest because more precipitation reached the soil surface but that during periods of flushing in autumn and snowmelt a limit on the amount of water-extractable OC is reached. These results contribute to an increased understanding of carbon loss from boreal forest soils.
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