ispltaИзвестия Санкт-Петербургской лесотехнической академииIzvestia Sankt-Peterburgskoj lesotehniceskoj akademii2079-43042658-5871СПбГЛТУ10.21266/2079-4304.2024.250.176-199isplta-387Research ArticleЛЕСНОЕ ХОЗЯЙСТВОFORESTRYВзаимосвязи диаметров ствола и кроны лесообразующих видов ЕвразииInterrelations of stem and crown diameters of forest-forming species of EurasiaУсольцевВ. А.UsoltsevV. A.

Усольцев Владимир Андреевич – заслуженный лесовод России, профессор кафедры лесной таксации и лесоустройства Института леса и природопользования Уральского государственного лесотехнического университета, главный научный сотрудник Ботанического сада УрО РАН; научный сотрудник Уральского государственного экономического университета, доктор сельскохозяйственных наук

620100, ул. Сибирский тракт, д. 37, г. Екатеринбург

Usoltsev Vladimir A. – DSc (Agriculture), professor of the Department of Forest Taxation and Forest Management, Ural State Forest Engineering University, chief researcher at the Botanical Garden, Ural Branch of the Russian Academy of Sciences, scientist of the Ural State Economic University

620100. Sibirskiy Trakt str. 37. Yekaterinburg

Usoltsev50@mail.ruЦепордейИ. С.TsepordeyI. S.

Цепордей Иван Степанович – старший научный сотрудник, кандидат сельскохозяйственных наук

620144, ул. 8 Марта, д. 202а. г. Екатеринбург

Tsepordey Ivan S. – PhD (Agriculture), senior researcher

620100. Sibirskiy Trakt str. 37. Yekaterinburg

ivan.tsepordey@yandex.ruПлюхаН. И.PlyukhaN. I.

Плюха Николай Иванович – аспирант кафедры лесной таксации и лесоустройства

620100, ул. Сибирский тракт, д. 37, г. Екатеринбург

Plyukha Nikolay I. – PhD student of the Department of Forest Taxation and Forest Management

620100. Sibirskiy trakt str. 37. Yekaterinburg

nikcskript@mail.ruИнститут леса и природопользования Уральского государственного лесотехнического университета; Ботанический сад УрО РАН; Уральский государственный экономический университетРоссияUral State Forest Engineering University; Botanical Garden, Ural Branch of the Russian Academy of Sciences; Ural State Economic UniversityRussian FederationБотанический сад УрО РАНРоссияBotanical Garden of Ural Branch of RASRussian FederationУральский государственный экономический университетРоссияUral State Economic UniversityRussian Federation2024261120240250176199Copyright © Усольцев В.А., Цепордей И.С., Плюха Н.И., 20242024Усольцев В.А., Цепордей И.С., Плюха Н.И.Usoltsev V.A., Tsepordey I.S., Plyukha N.I.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://izvestiya-lta.spbftu.ru/jour/article/view/387

В связи с изменением климата и потенциальной возможностью его стабилизации с помощью управляемых лесов и оценки их углероддепонирующей способности, особую актуальность приобретает возможность оперативной оценки фитомассы и органического углерода лесного покрова. Технологии дистанционного зондирования лесов на основе беспилотных летательных аппаратов позволили получать значения параметров крон деревьев с максимально близкого расстояния, что обеспечивает высокую адекватность моделей для оценки фитомассы деревьев по диаметру кроны. Наряду с ними опубликованы тысячи аллометрических моделей для оценки фитомассы деревьев по диаметру ствола. Для их совмещения необходимо знание взаимосвязей диаметров ствола и кроны. По фактическим данным 3100 модельных деревьев для семи хвойных и 2470 деревьев для шестнадцати лиственных видов и родов (подродов) разработаны 23 аллометрические модели зависимости диаметра кроны от диаметра ствола и зависимости диаметра ствола от диаметра кроны, значимые на уровне t001 и выше. Первые предназначены для совмещения с опубликованными моделями фитомассы деревьев в связи с диаметром кроны, а вторые – для совмещения с опубликованными моделями фитомассы в связи с диаметром ствола. Выполнено ранжирование всех родов как по диаметру кроны, так и по диаметру ствола с последующим ранговым регрессионным анализом, включающим взаимозависимость двух ранговых распределений 23 родов. Установлена отрицательная связь ранговых распределений родов по диаметру кроны и по диаметру ствола, в то время как зависимость фактических данных диаметра ствола от диаметра кроны имеет прямо пропорциональный характер. Таким образом, взаимосвязь диаметра кроны с диаметром ствола может быть как отрицательной, так и положительной, в зависимости от того или иного приложения и контекста.

Due to climate change and the potential possibility of its stabilization with the help of managed forests and assessment of their carbon depositing capacity, the possibility of operational assessment of phytomass and organic carbon of forest cover is of particular relevance. Remote sensing of forests based on unmanned aerial vehicles made it possible to obtain the parameters of tree crowns from as close a distance as possible, which ensures high adequacy of models for assessing the phytomass of trees by crown diameter. Along with them, thousands of allometric models have been published to estimate the phytomass of trees by stem diameter. To combine them, it is necessary to know the interrelationships of the stem and crown diameters. When using the empirical data of 3,100 model trees for seven coniferous and 2,470 trees for sixteen deciduous species and genera (subgenera), 23 allometric models of crown diameter versus stem diameter and stem diameter versus crown diameter have been developed, significant at the level of t001 and higher. The first ones are designed to be combined with published models of phytomass of trees in connection with the crown diameter, and the second ones are designed to be combined with published models of phytomass in connection with the stem diameter. All genera were ranked both by crown diameter and stem diameter, followed by rank regression analysis, including the interdependence of two rank distributions of 23 genera. A negative relationship has been established between the rank distributions of genera by crown diameter and stem diameter, while the dependence of the empirical data of stem diameter on crown diameter is of positive relationship. Thus, the relationship of the crown diameter with the stem diameter can be either negative or positive, depending on a particular application and context.

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The authors declare that there are no conflicts of interest present.