Articles | Volume 14, issue 1
Research article
10 Jan 2017
Research article |  | 10 Jan 2017

Soil CO2 efflux from two mountain forests in the eastern Himalayas, Bhutan: components and controls

Norbu Wangdi, Mathias Mayer, Mani Prasad Nirola, Norbu Zangmo, Karma Orong, Iftekhar Uddin Ahmed, Andras Darabant, Robert Jandl, Georg Gratzer, and Andreas Schindlbacher

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Cited articles

Adhikari, B., Rawat, Y., and Singh, S.: Structure and function of high altitude forests of central Himalaya, I. Dry matter dynamics, Ann. Bot., 75, 237–248, 1995.
Bader, N. E. and Cheng, W.: Rhizosphere priming effect of Populus fremontii obscures the temperature sensitivity of soil organic carbon respiration, Soil Biol. Biochem., 39, 600–606, 2007.
Bengtson, P., Barker, J., and Grayston, S. J.: Evidence of a strong coupling between root exudation, C and N availability, and stimulated SOM decomposition caused by rhizosphere priming effects, Ecol. Evol., 2, 1843–1852,, 2012.
Bisht, V. K., Nautiyal, B. P., Kuniyal, C. P., Prasad, P., and Sundriyal, R. C.: Litter Production, Decomposition, and Nutrient Release in Subalpine Forest Communities of the Northwest Himalaya, J. Ecosyst., 2014, 1–13, 2014.
Bolstad, P., Davis, K., Martin, J., Cook, B., and Wang, W.: Component and whole-system respiration fluxes in northern deciduous forests, Tree Physiol., 24, 493–504, 2004.
Short summary
Carbon cycling in Himalayan mountain forest ecosystems is not well studied. We studied soil respiration and its autotrophic and heterotrophic components as well as the effects of environmental drivers in mixed and broadleaf forest ecosystems in the Bhutan Himalayas for the first time. Soil respiration rates were similar in the two forest ecosystems. A simple temperature-driven model was able to explain more than 90 % of the temporal variation in soil respiration.
Final-revised paper