Cited by 542Soil Carbon and Nitrogen DynamicsMycorrhizal Fungi and Plant InteractionsClimate change and permafrost

Winter forest soil respiration controlled by climate and microbial community composition

Monson, Russell K., Lipson, David L., Burns, Sean P., Turnipseed, Andrew A., Delany, Anthony C., Williams, Mark W., Schmidt, Steven K.·2006·Nature

Abstract

Most terrestrial carbon sequestration at mid-latitudes in the Northern Hemisphere occurs in seasonal, montane forest ecosystems. Winter respiratory carbon dioxide losses from these ecosystems are high, and over half of the carbon assimilated by photosynthesis in the summer can be lost the following winter. The amount of winter carbon dioxide loss is potentially susceptible to changes in the depth of the snowpack; a shallower snowpack has less insulation potential, causing colder soil temperatures and potentially lower soil respiration rates. Recent climate analyses have shown widespread declines in the winter snowpack of mountain ecosystems in the western USA and Europe that are coupled to positive temperature anomalies. Here we study the effect of changes in snow cover on soil carbon cycling within the context of natural climate variation. We use a six-year record of net ecosystem carbon dioxide exchange in a subalpine forest to show that years with a reduced winter snowpack are accompanied by significantly lower rates of soil respiration. Furthermore, we show that the cause of the high sensitivity of soil respiration rate to changes in snow depth is a unique soil microbial community that exhibits exponential growth and high rates of substrate utilization at the cold temperatures that exist beneath the snow. Our observations suggest that a warmer climate may change soil carbon sequestration rates in forest ecosystems owing to changes in the depth of the insulating snow cover.

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Crossref · 10.1038/nature04555

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  • There are indications of a positive feedback in which increases in global temperature lower the ability of present soils and other parts of the biosphere to absorb CO2.

    “In addition, there are indications (Bellamy et al., 2005;Monson et al., 2006;Luo, 2007;Arnone et al., 2008;Bond-Lamberty and Thomson, 2010;Smith and Fang, 2010;Yvon-Durocher et al., 2010;Zhao and Running, 2010) of a positive feedback in which increases in global temperature lower the ability of present soils and other parts of the biosphere to absorb CO 2”

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Authors
Monson, R. K., Lipson, D. L., Burns, S. P., Turnipseed, A. A., Delany, A. C., Williams, M. W., & Schmidt, S. K.
Affiliations
  • University of Colorado Boulder (US)
  • NSF National Center for Atmospheric Research (US)
  • Institute of Arctic and Alpine Research (US)
Corresponding author
Monson, Russell K.
Venue
Nature
Published
2006-02
Volume
439
Issue
7077
Pages
711-714
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1972486375
Cited by
542
References
32
Citations by year
2026: 7 · 2025: 8 · 2024: 23 · 2023: 24 · 2022: 26 · 2021: 27 · 2020: 21 · 2019: 29 · 2018: 16 · 2017: 30 · 2016: 32 · 2015: 37 · 2014: 36 · 2013: 38 · 2012: 25
FWCI
60.11
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • U.S. Department of Energy
  • National Center for Atmospheric Research
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Mycorrhizal Fungi and Plant Interactions
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Climate change and permafrost
Keywords
snowpack depth, snow cover, soil microbial communities, subalpine forest, soil carbon sequestration, soil temperature, global warming
MeSH terms
Bacteria, Carbon, Carbon Dioxide, Climate, Diffusion, Photosynthesis, RNA, Ribosomal, 16S, Seasons, Snow, Soil, Soil Microbiology, Temperature, Time Factors, Trees, Ecosystem, Biomass, Cell Respiration

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