Stem taper, shape and volume of spruce tree trunks of the Kostroma oblast
https://doi.org/10.53374/1993-0135-2024-4-23-32
Abstract
The stem taper is traditionally used to predict diameter values at any height from the butt to the top. The diameter values predicted by the model can also be used to establish taxation characteristics of trunks. Spruce is an important forest-forming species, therefore, to improve the accuracy of determining the volumetric characteristics of forest stands and their wood assortment structure, work is required to improve existing standards for forest taxation. As a result of field work and archival data, 21296 diameter measurements were obtained at various heights for 1686 spruce trees growing in the Kostroma Oblast. Based on the analysis of tree trunks, the quality of using a three-parameter generatrix model with one equation for calculating indicators of shape, full woodiness and volume of tree trunks in spruce stands of the Kostroma Oblast was assessed using quality metrics generally accepted in statistics. It has been established that the use of the considered generatrix equation for calculating the main taxation indicators of tree trunks and their volumes in spruce stands in the Kostroma Oblast will help to increase the accuracy of forest accounting work and increase the of forestry activities. Further research is required aimed at developing an algorithm for introducing this model into the mechanism for sorting individual trunks and tree stands, and the formation of new regional standards for forest taxation.
Supporting agencies: This study has been supported by the grants of the Russian Science Foundation, RSF 23-76-01016, https://rscf.ru/en/project/23-76-01016/.
About the Authors
N. N. Dubenok
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
49, Timiryazevskaya str., Moscow, 127434
A. V. Lebedev
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
49, Timiryazevskaya str., Moscow, 127434
V. V. Gostev
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
49, Timiryazevskaya str., Moscow, 127434
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Review
For citations:
Dubenok N.N., Lebedev A.V., Gostev V.V. Stem taper, shape and volume of spruce tree trunks of the Kostroma oblast. Conifers of the boreal area. 2024;42(4):23-32. (In Russ.) https://doi.org/10.53374/1993-0135-2024-4-23-32
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