The Structure Dynamics of Post-Pyrogenic Cowberry Pine Stands of the Northern Cis-Ural (Komi Republic)

Kutyavin, Ivan N.; Манов, А. В.; Dymov, A.V.

doi:10.31163/2618-964x-2020-3-4-627-633

Cited by 2 publications

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“…Pine forests of Vacciniosum, Vaccinioso-cladinosum and Myrtillosum site types are common in the area under study. These stands are mostly monodominant and confined to the terraces and well-drained watershed areas (Kutyavin 2018).…”

Section: Methodsmentioning

confidence: 99%

Spatial relationships of trees in middle taiga post-pyrogenic pine forest stands in the European North-East of Russia

Kutyavin¹,

Манов²

2022

J. For. Sci.

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Information on the structural organization of forest stands obtained on sample plots is the basis for long-term monitoring of post-fire pine forest structure and dynamics in the European North-East. These data can be used as a marker of native pine stands of the European taiga. Here, we studied vertical and horizontal structure in the post-pyrogenic pine forests of Vacciniosum, Vaccinioso-cladinosum and Myrtillosum site types in the boreal forest of the Komi Republic. The type of horizontal structure of uneven-aged forest stands changed with age from grouped to random one. Large trees were randomly distributed on the plot. We observed the weak aggregation of undergrowth trees (natural tree regeneration) in stands at distances of 2–6 m. Undergrowth individuals were characterized by group distribution at smaller distances than 1–2 m. Spatial relationships between large, small and codominant trees demonstrated random distribution in most cases. Undergrowth individuals did not show any competitive relations. However, we revealed a “taking off” effect between mature trees of pine and pine undergrowth. The direction of the displacement of tree crown centre projections relative to the bases of their trunks was ambiguous. The shift of the crown space towards the maximum solar radiation was detected in a thinned stand with old age and big size of trees. In other site types, no one-sided orientation of the tree crown development emerged.

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Section: Methodsmentioning

confidence: 99%

Spatial relationships of trees in middle taiga post-pyrogenic pine forest stands in the European North-East of Russia

Kutyavin¹,

Манов²

2022

J. For. Sci.

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Modelling the growth of secondary cowberry pine forest of different densities in Murmansk region

Tretyakov,

Bogdanov,

Tsvetkov

et al. 2024

Forestry Engineering Journal

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In aiming to improve the standards and increase the accuracy of forest taxation works, modeling of the growth of pine stands in the cowberry type of forest in the zone of tundra forests of the Murmansk region was carried out. In the process of modeling the course of growth, methods of analytical alignment of taxation indicators and analysis of enumerative taxation materials were used. Trial areas were used to study the course of growth. In 2023, repeated recounts were carried out on permanent test areas in the Murmansk Region, laid down in 1962 and repeated recounts in 1967 and 1972. V.F. Tsvetkov research is taken into account, one of the founders of tundra forestry, on the division into types of formation of cranberry pine forests by density into moderately dense and overgrown. The values of empirical coefficients of the equation of stand height or diameter from age in overdrained and moderately dense lingonberry pine forests, characterising high closeness of relationship (R2 =0,86-0,97) the relationship between the signs is statistically significant (p < 0.05). The stands under study are significantly influenced by natural conditions at the extreme limit of growth, which primarily affects the dynamics of growth in height. The materials are grouped and aligned, according to the results of processing, dynamic series of taxational indicators of stands are obtained, which are presented in the form of equations. The obtained height values indicate that modal pine stands in the cowberry type of forest grow according to IV-V classes of bonitet.

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The Structure Dynamics of Post-Pyrogenic Cowberry Pine Stands of the Northern Cis-Ural (Komi Republic)

Cited by 2 publications

References 0 publications

Spatial relationships of trees in middle taiga post-pyrogenic pine forest stands in the European North-East of Russia

Spatial relationships of trees in middle taiga post-pyrogenic pine forest stands in the European North-East of Russia

Modelling the growth of secondary cowberry pine forest of different densities in Murmansk region

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