NDLI: Carbon budget of oligotrophic mire sites in the Southern Taiga of Western Siberia

Content Provider	Springer Nature Link
Author	Golovatskaya, Eugenia A. Dyukarev, Egor A.
Copyright Year	2008
Abstract	The results of a long-term (1999–2007) investigation of vegetation productivity and carbon dioxide (CO$_{2}$) emission from the surface of an oligotrophic mire in southern taiga in Western Siberia are presented. The studied ecosystems include pine—shrub—sphagnum (PSS) community, a similar community with oppressed (low) tree stand (LPSS), and sedge—sphagnum fen (SSF). Net primary production for PSS, LPSS and SSF are equal to 552, 575, and 561 g m$^{−2}$ yr$^{−1}$. The mean respiration during the snow-free season determined by chamber method is 165.8, 105.6, 112.4 mgCO$_{2}$ m$^{−2}$ h$^{−1}$ for PSS, LPSS and SSF, respectively. Field measurements of NPP and CO$_{2}$ emission in combination with reference data on methane emission, winter CO$_{2}$ and CH$_{4}$ emissions and carbon export by river run–off were used to develop an overall carbon budget of the mire ecosystems. At present conditions the studied mire ecosystems are net sinks for atmospheric carbon and accumulate peat. Rates of the actual modern carbon accumulation are equal to 21, 112 and 102 g C m$^{−2}$ yr$^{−1}$ for PSS, LPSS and SSF communities.
Starting Page	19
Ending Page	34
Page Count	16
File Format	PDF
ISSN	0032079X
Journal	Plant and Soil
Volume Number	315
Issue Number	1-2
e-ISSN	15735036
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-11-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Peatland Carbon dioxide Emission Net primary production Carbon balance Ecology Plant Physiology Soil Science & Conservation Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Soil Science Plant Science

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