Articles | Volume 13, issue 15
Biogeosciences, 13, 4439–4459, 2016
Biogeosciences, 13, 4439–4459, 2016

Research article 10 Aug 2016

Research article | 10 Aug 2016

Underestimation of boreal soil carbon stocks by mathematical soil carbon models linked to soil nutrient status

Boris Ťupek et al.

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Cited articles

Adair, E. C., Parton, W. J., Del Grosso, S. J., Silver, W. L., Harmon, M. E., Hall, S. A., Burke, I. C., and Hart, S. C.: Simple three-pool model accurately describes patterns of long-term litter decomposition in diverse climates, Global Change Biol., 14, 2636–2660, 2008.
Ågren, G. I., Bosatta, E., and Magill, A. H.: Combining theory and experiment to understand effects of inorganic nitrogen on litter decomposition, Oecologia, 128, 94–98, 2001.
Ågren, G. I. and Hyvönen, R.: Changes in carbon stores in Swedish forest soils due to increased biomass harvest and increased temperatures analysed with a semi-empirical model, Forest Ecol. Manage., 174, 25–37, 2003.
Ågren, G., Hyvönen, R., and Nilsson, T.: Are Swedish forest soils sinks or sources for CO2—model analyses based on forest inventory data, Biogeochemistry, 82, 217–227, 2007.
Amundson, R.: The carbon budget in soils, Annu. Rev. Earth Planet. Sci., 29, 535–562, 2001.
Short summary
We evaluated the soil carbon stock estimates of Yasso07, Q, and CENTURY soil carbon models, used in national greenhouse gas inventories in Europe, Japan, and USA, with soil carbon stock measurements from Swedish Forest Soil National Inventories. Measurements grouped according to the gradient of soil nutrient status revealed that the models underestimated for the Swedish boreal forest soils with higher site fertility. We discussed mechanisms of underestimation and further model developments.
Final-revised paper