Finn caliper
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The Finn caliper is relatively difficult to carry in the [[Forest definition|forest]] because the device consists of several calipers and various poles that are put together for the measurement. | The Finn caliper is relatively difficult to carry in the [[Forest definition|forest]] because the device consists of several calipers and various poles that are put together for the measurement. | ||
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==References== | ==References== | ||
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{{SEO|keywords=finn caliper,upper stem diameter,tree diameter,forest inventory,tree measurement,single tree variables | {{SEO|keywords=finn caliper,upper stem diameter,tree diameter,forest inventory,tree measurement,single tree variables | ||
Revision as of 17:59, 17 February 2011
The Finn caliper (also called Finnish parabolic caliper) is used to measure the stem diameters at (or up to) 7 m (d7m). Figure 1 gives an illustration. By its name, it is originally from Finland and is being used in Northern European countries as well as in Germany and Switzerland. With pole and caliper, the height of 7 m has been found to be the maximum still manageable one; that is, it had been defined for practical reasons only.
The Finn caliper is relatively difficult to carry in the forest because the device consists of several calipers and various poles that are put together for the measurement.
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References
- ↑ Keller M. (ed.). 2005. Schweizerisches Landesforstinventar. Anleitung für die Feldaufnahmen der Erhebung 2004-2007
