FIELD: forest estimation method, which may be used in forest industry for wood volume records, in nature management, ecological monitoring and protection of environment by evaluating trunk shape quality of model tree by evaluating individual transverse sections.
SUBSTANCE: method involves marking annual ring center in sawn tree trunk circle; applying radial lines relative to said canter on geodesic sides, protrusions and slots of tree trunk section on annual rings; measuring declination angles between northern side radius and radial lines applied.
EFFECT: increased precision in analyzing of tree trunk saw cut having uneven shape of tree, branch or root section.
3 cl, 6 dwg
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Authors
Dates
2005-12-10—Published
2003-02-06—Filed