The results of the introduction of twisted pine (Pinus contorta) in Bolshoy Solovetsky Island

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dc.contributor.authorSobolev, Alexandr
dc.contributor.authorFeklistov, Pavel
dc.contributor.authorBolotov, Ivan
dc.contributor.authorBarzut, Oksana
dc.date.accessioned2023-01-10T03:05:22Z
dc.date.available2023-01-10T03:05:22Z
dc.date.issued2022-03-11
dc.description© 2022 Alexandr Sobolev et al., published by Sciendo. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License - https://creativecommons.org/licenses/by-nc-nd/4.0/ . The Version of Scholarly Record of this Article is published in Folia Forestalia Polonica, Series A – Forestry, 2022, Vol. 64 (1), 1–6, available online at: https://sciendo.com/article/10.2478/ffp-2022-0001 . Keywords: twisted pine; Pinus contorta Loud. var. latifolia S. Wats; Scots pine; Pinus sylvestris L.; height; diameter; tree ring width; late wood; assimilation apparatus; pathologies; Russia.
dc.description.abstractIn the central part of the Bolshoy Solovetsky Island, in the same type of growing conditions, two plots were created in 1988: the first consisted of twisted pine (Pinus contorta Loud. var. latifolia S. Wats) crops and the second one was of Scots pine (Pinus sylvestris L.). The aim of the study was to establish the morphological parameters of the twisted pine and its growth in the conditions of the Bolshoy Solovetsky Island in comparison with the native spe cies P. sylvestris L. Also, we aimed to identify the features of P. contorta var. latifolia and determine the possibility and necessity of further introduction of the species. The preservation of the twisted pine and scots pine cultures was determined. Accounting trees were selected (62 and 31 trees, respectively), in which morphometric indicators were measured. Wood samples (cores) were taken from them with an age drill to measure radial growth. The radial increment was measured using the MBS-9 microscope and the Lintab device. To measure the increase in height, six medium-sized model trees were cut down. According to the taxation indicators, the two types differed slightly and the differences were most often unreliable. The average height of the twisted pine trees was significantly higher compared to that of Scots pine. The thickness of the bark varied; on average, at the age of 18, it was 1.35 ± 0.038 mm for twisted pine and 1.86 ± 0.095 for Scots pine, that is, the native pine bark was 38% thicker. Typical for twisted pine were a significant number of pathologies noted in 22% of the studied trees. Twisted pine was distinguished by a stronger development of the assimilation apparatus: the number of branches of the first order, the number of branches in the whorl, the life span of needles. An increase in radius (the width of the annual ring) was observed at 14–15 years, and then with age, the value decreased in twisted pine and remained at a consistently high level in Scots pine. The width of the late zone of the annual ring was 12% in Scots pine and 14% in twisted pine; but at a young age, the late wood in twisted pine was very small. The increase in height of the twisted pine was on average less than that of Scots pine. The dependence of the trunk volume on the diameter was almost identical in both species.
dc.description.sponsorshipThe study was carried out within the framework of the state assignment of the Federal Research Center for Integrated Arctic Studies named after Academician N. P. Laverov of the Russian Academy of Sciences (project no. 122011400384-2).
dc.identifier.citationSobolev, A., Feklistov, P., Bolotov, I. & Barzut, O. (2022). The results of the introduction of twisted pine (Pinus contorta) in Bolshoy Solovetsky Island. Folia Forestalia Polonica, 64(1), 1-6. https://doi.org/10.2478/ffp-2022-0001
dc.identifier.otherhttps://doi.org/10.2478/ffp-2022-0001
dc.identifier.urihttps://hdl.handle.net/20.500.14096/193
dc.language.isoen
dc.publisherSciendo (De Gruyter)
dc.titleThe results of the introduction of twisted pine (Pinus contorta) in Bolshoy Solovetsky Island
dc.typeArticle

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