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Sensitivity of Boreal Forest Carbon Balance to Soil Thaw

Open access
Goulden, M. L., Wofsy, S. C., Harden, J. W., Trumbore, S. E., Crill, P. M., Gower, S. T., Fries, T., Daube, B. C., Fan, S.-M., Sutton, D. J., Bazzaz, A., Munger, J. W.·1998·Science

Abstract

We used eddy covariance; gas-exchange chambers; radiocarbon analysis; wood, moss, and soil inventories; and laboratory incubations to measure the carbon balance of a 120-year-old black spruce forest in Manitoba, Canada. The site lost 0.3 ± 0.5 metric ton of carbon per hectare per year (ton C ha −1 year −1 ) from 1994 to 1997, with a gain of 0.6 ± 0.2 ton C ha −1 year −1 in moss and wood offset by a loss of 0.8 ± 0.5 ton C ha −1 year −1 from the soil. The soil remained frozen most of the year, and the decomposition of organic matter in the soil increased 10-fold upon thawing. The stability of the soil carbon pool (∼150 tons C ha −1 ) appears sensitive to the depth and duration of thaw, and climatic changes that promote thaw are likely to cause a net efflux of carbon dioxide from the site.

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Metadata

Authors
Goulden, M. L., Wofsy, S. C., Harden, J. W., Trumbore, S. E., Crill, P. M., Gower, S. T., Fries, T., Daube, B. C., Fan, S.-M., Sutton, D. J., Bazzaz, A., & Munger, J. W.
Venue
Science
Published
1998-01-09
Volume
279
Issue
5348
Pages
214-217
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2114992792
Cited by
792
References
0
FWCI
30.63
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Sensitivity of Boreal Forest Carbon Balance to Soil Thaw. https://app.cochat.ai/papers/10.1126/science.279.5348.214
The paper
Goulden, M. L., Wofsy, S. C., Harden, J. W., Trumbore, S. E., Crill, P. M., Gower, S. T., Fries, T., Daube, B. C., Fan, S.-M., Sutton, D. J., Bazzaz, A., & Munger, J. W. (1998). Sensitivity of Boreal Forest Carbon Balance to Soil Thaw. Science. https://doi.org/10.1126/science.279.5348.214

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