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Commodity Structure of Spruce Forests Massifs of the Northern Taiga and Merchantability Classes Evaluation

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S.V. Koptev

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UDС

630*5

DOI:

10.17238/issn0536-1036.2015.2.90

Abstract

The marketability of large forest areas of North-taiga spruce forests is heterogeneous. This is due to forest evaluation features in the European North of Russia. Specifications of stands commodity structure valuation, designed for predictive estimation in large forests and big raw materials bases are based on the probability distribution of the number of trees of differ-ent quality categories by thickness gradations. For correct use of commodity structure stand-ards for the valuation it is necessary to know the features of the distribution of growing stock of stands and their marketability. Error in forest stand allocating to one or another class of merchantability is forbidden during taxation works. Therefore, it is important to have certain priderite and recommendations on the definition of the stand merchantability class. For the practical assessment is also needed guidance on trees attribution to one or an-other technical condition category in connection with the presence of internal defects (dis-eases) of tree trunks. As one of the most obvious and measurable characteristics for this is considered the magnitude of the rise trunk in the butt part.

Authors

S.V. Koptev, Candidate of Agriculture, Associate Professor

Affiliation

Northern (Arctic) Federal University named after M.V. Lomonosov, Naberezhnaya Severnoy Dviny, 17, Arkhangelsk, 163002, Russia; e-mail: s.koptev@narfu.ru

Keywords

uniformity, distribution series, commodity table, timber, size classes category of merchantability, defectiveness, technical condition category, trunk rise.

References

1. Antanaytis V.V. Sovremennoe napravlenie v lesoustroystve [The Modern Trend in Forest Management]. Moscow, 1977. 280 p. 2. Gusev I.I., Koptev S.V. Sortimentnaya struktura severotaezhnykh el'nikov [As-sortment Structure of a Northern Spruce Stands]. Lesnoy zhurnal, 1991, no. 4, pp. 3–11. 3. Gusev I.I. Produktivnost' el'nikov Severa [The Productivity of Spruce Forests of the North]. Leningrad, 1978. 232 p. 4. Koptev S.V. Fautnost' severotaezhnykh el'nikov: material tekhnicheskoy infor-matsii [Defectiveness of Spruce Forests of the Northern Taiga]. Lesnoy zhurna1, 1992, no. 6, pp. 20–27. 5. Moshkalev A.G. Kharakteristika neodnorodnosti taksatsionnogo vydela i ee znachenie [The Characteristic of Forest Land Heterogeneity and Its Value]. Lesnoy zhurna1, 1964, no. 2, pp. 30–34. 6. Nikitin K.E., Shvidenko A.Z. Metody i tekhnika obrabotki lesovodstvennoy infor-matsii [Methods and Techniques of Silvicultural Information Processing]. Moscow, 1978. 270 p. 7. OST 56-69-83. Probnye ploshchadi lesoustroitel'nye. Metod zakladki [Industry Standard 56-69-83. Forest Inventory Plots. Creation Method]. Moscow, 1983. 60 p. 8. Polevoy spravochnik taksatora [Field Guide for Forest Evaluators]. Arkhangelsk, 1971. 196 p.

Commodity Structure of Spruce Forests Massifs of the Northern Taiga and Merchantability Classes Evaluation

 

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