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Research Article

Frequent Fires in Ancient Shrub Tundra: Implications of Paleorecords for Arctic Environmental Change

  • Philip E. Higuera mail,

    To whom correspondence should be addressed. E-mail: philip.higuera@montana.edu

    Affiliation: College of Forest Resources, University of Washington, Seattle, Washington, United States of America

    Current address: Montana State University, Department of Earth Sciences, Bozeman, Montana, United States of America; Department of Plant Biology, University of Illinois, Urbana, Illinois, United States of America

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  • Linda B. Brubaker,

    Affiliation: College of Forest Resources, University of Washington, Seattle, Washington, United States of America

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  • Patricia M. Anderson,

    Affiliation: Department of Earth and Space Sciences and Quaternary Research Center, University of Washington, Seattle, Washington, United States of America

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  • Thomas A. Brown,

    Affiliation: Lawrence Livermore National Laboratory, Center for Accelerator Mass Spectrometry, Livermore, California, United States of America

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  • Alison T. Kennedy,

    Affiliation: Department of Earth Sciences, Montana State University, Bozeman, Montana, United States of America

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  • Feng Sheng Hu

    Affiliations: Department of Plant Biology, University of Illinois, Urbana, Illinois, United States of America, Department of Geology, University of Illinois, Urbana, Illinois, United States of America

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  • Published: March 05, 2008
  • DOI: 10.1371/journal.pone.0001744

Reader Comments (2)

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Moving mode used for Ruppert Lake

Posted by phiguera on 21 Apr 2009 at 18:03 GMT

500-yr running median
http://plosone.org/article/info:doi/10.1371/journal.pone.0001744#article1.body1.sec4.sec3.p2

Low-frequency trends at Ruppert Lake were estimated using a moving mode, as opposed to a moving median, because this yielded a high signal-to-noise index. This difference was neglected in the current paper but is presented correctly and describe in more detail by Higuera et al. (2009):

Higuera, P. E., L. B. Brubaker, P. M. Anderson, F. S. Hu, and T. A. Brown. 2009. Vegetation mediated the impacts of postglacial climate change on fire regimes in the south-central Brooks Range, Alaska. Ecological Monographs 79:201-219.

No competing interests declared.