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UV-B radiation and soil microbial communities

Author

Listed:
  • David Johnson

    (University of Sheffield, Western Bank)

  • Colin D. Campbell

    (The Macaulay Land Use Research Institute)

  • John A. Lee

    (University of Sheffield, Western Bank)

  • Terry V. Callaghan

    (University of Sheffield, Western Bank
    Abisko Scientific Research Station)

  • Dylan Gwynn-Jones

    (Institute of Biological Sciences, University of Wales)

Abstract

Stark and Hart question our finding1 that increased UV-B irradiation affects the biomass C:N ratio of Arctic soil microbial communities. Our data for microbial carbon biomass (Cmic; 1.0–3.1 mg per g soil) and nitrogen (Nmic; 0.1–0.3 mg per g soil) fall within the range presented by Stark and Hart (0.2–3.9 and 0.04–0.28 mg per g soil for Cmic and Nmic, respectively)2, but the C:N ratios in the control plots are greater than those for both similar3,4 and contrasting soil types2. However, we do not agree that this invalidates our conclusions.

Suggested Citation

  • David Johnson & Colin D. Campbell & John A. Lee & Terry V. Callaghan & Dylan Gwynn-Jones, 2003. "UV-B radiation and soil microbial communities," Nature, Nature, vol. 423(6936), pages 138-138, May.
    • Handle: RePEc:nat:nature:v:423:y:2003:i:6936:d:10.1038_423138a
    DOI: 10.1038/423138a
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