Journal Article

A new girth band for measuring stem diameter changes

Erkki Pesonen, Kari Mielikäinen and Harri Mäkinen

in Forestry: An International Journal of Forest Research

Published on behalf of Institute of Chartered Foresters

Volume 77, issue 5, pages 431-439
Published in print January 2004 | ISSN: 0015-752X
Published online January 2004 | e-ISSN: 1464-3626 | DOI: https://dx.doi.org/10.1093/forestry/77.5.431
A new girth band for measuring stem diameter changes

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  • Conservation of the Environment (Environmental Science)
  • Environmental Sustainability
  • Plant Sciences and Forestry

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A simple girth band for automatic measurement of short-term changes in stem diameter was developed and tested. Laboratory tests showed that the girth band is thermal insensitive and it can be used for measuring changes of the magnitude of 0.03 mm. Thus, daily swelling and shrinking of the stem can be monitored, as well as cumulative stem diameter increment. Year-round field tests showed that the girth bands were resistant against weather variations and mechanical damage, even though the measurement bias slightly increased in the long run. The durability, low price and automatic data collection make the instrument suitable for applications in growth studies. Online data transfer from the field to the office can be done using wireless telemetric techniques.

Journal Article.  0 words. 

Subjects: Conservation of the Environment (Environmental Science) ; Environmental Sustainability ; Plant Sciences and Forestry

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