Nitrogen availability increases in a tundra ecosystem during five years of experimental permafrost thaw.

  title={Nitrogen availability increases in a tundra ecosystem during five years of experimental permafrost thaw.},
  author={Verity G Salmon and Patrick Soucy and Marguerite Mauritz and Gerardo Celis and Susan M. Natali and Michelle C. Mack and Edward A G Schuur},
  journal={Global change biology},
  volume={22 5},
Perennially frozen soil in high latitude ecosystems (permafrost) currently stores 1330-1580 Pg of carbon (C). As these ecosystems warm, the thaw and decomposition of permafrost is expected to release large amounts of C to the atmosphere. Fortunately, losses from the permafrost C pool will be partially offset by increased plant productivity. The degree to which plants are able to sequester C, however, will be determined by changing nitrogen (N) availability in these thawing soil profiles. N… CONTINUE READING
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