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International Journal of Forestry Research
Volume 2010 (2010), Article ID 836278, 7 pages
Research Article

Adverse Influence of Radio Frequency Background on Trembling Aspen Seedlings: Preliminary Observations

P.O. Box 553, Lyons, CO 80540, USA

Received 21 June 2009; Revised 31 October 2009; Accepted 17 February 2010

Academic Editor: Terry L. Sharik

Copyright © 2010 Katie Haggerty. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Numerous incidents of aspen decline have been recorded in North America over the past half century, and incidents of very rapid mortality of aspen clones have been observed in Colorado since 2004. The radio frequency (RF) environment of the earth has undergone major changes in the past two centuries due to the development and use of electricity in power and communications applications, and the anthropogenic RF background continues to increase in intensity and complexity. This study suggests that the RF background may have strong adverse effects on growth rate and fall anthocyanin production in aspen, and may be an underlying factor in aspen decline.