The ECOLOGICAL AND BIOLOGICAL ROLE OF LIGHTING IN THE DEVELOPMENT AND SEASONAL DYNAMICS OF NORTHERN WHITE-CEDAR (Thuja occidentalis L.) NEEDLES AND ITS ORNAMENTAL FORMS IN LVIV
Keywords:
northern white-cedar and its ornamental forms, green wall, planting rhythm, insolation, tiering, planting, photosynthesis, chloroplasts, pigments, seasonal colour, growth, intraspecific competition
Abstract
Для дослідження були обрані міські зелені насадження з простим і складним ритмом озеленення, де досліджено вплив освітленості на результати конкуренції між особинами за характером світлового потоку: від вершини до низу крони. і до відкритого простору. Виявлено диференціацію колоноподібних туй за густотою деревини та зроблено прогноз подальшого розвитку рослин, які відстають у рості та підлягають своєчасному видаленню з ряду, щоб не погіршити естетичний склад композиції. цілісність зелених стін. Підкреслено роль едафічних умов у конкуренції особин у рядковому садінні.
З метою з’ясування ролі світла в конкуренції особин за його інтенсивність досліджено зв’язок між рівнем освітленості крони Th.o. « Fastigiata » влітку та восени та досліджували їх ріст. Вивчено роль освітлення у зміні забарвлення забарвлених сортів і місце в цьому процесі хлорофілів а і b, а також каротиноїдів. У затінених кронах Th.o. ' Aureaspicata ' і Th.o. ' Aureovarigiata ', золотистий колір змінився на світло-зелений через зменшення вмісту каротиноїдів. При цьому зимове коричнево-зелене забарвлення є наслідком підвищення концентрації каротиноїдів у клітинах. Розуміння статики і динаміки забарвлення декоративних форм кедра білого північного дає можливість підбирати сорти з найбільш декоративним забарвленням для різноманітних садово-паркових композицій.
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Bouslimi, B., Koubaa, A. & Bergeron, Y. (2022). Regional, site, and tree variations of wood density and growth in Thuja occidentalis L. in the Quebec Forest. Forests, 13, 1984. https://doi.org/10.3390/f13121984
Bouslimi, B., Koubaa, A., & Bergeron, Y. (2014). Anatomical properties in Thuja occidentalis:Variation and relationship to biological processes. IAWA Journal, 35(4), 363–384. https://doi.org/10.1163/22941932-00000072
Chang, L., Song, L., Park, E., Lee, L., Farnsworth, N., Pezzuto, J. & Kinghorn, A. (2000). Bioactive constituents of Thuja occidentalis. Nat. Prod., 63, 9, 1235–1238. https://doi.org/10.1021/np0001575
Dhont, E. (2021). Landscape Architects. Hatje Cantz Verlag.
Henyk, Y., Popovych, P., Zayachuk, V., Dyda, O., Gociy, N. & Bosak, P. (2023). Transformational processes in post-technogenic ecosystems of Kolomyia lignite and Yaziv sulfur deposits in Western Ukraine. Ecological Questions, 34(4), 1–25. https://doi.org/10.12775/EQ.2023.040
Hnativ, P.S. (2014). Functional diagnostics in dendrology. Lviv: Kamula.
Hofmeyer, Ph., Kenefic, L. & Seymour, R. (2009). Northern white-cedar ecology and silviculture in the Northeastern United States and Southeastern Canada: a synthesis of knowledge. Northern Journal of Applied Forestry, 26(1), 21–27. https://doi.org/10.1093/njaf/26.1.21
Holubets, M.A. (2010). Typological ordering of the diversity of forest communities in Ukraine. Lviv: Manuscript.
Johnson, S.A., Janssen, E., Glass, N., Dickerson, P., Whelan, C.J. & Brenda Molano-Flores, B. (2022). The role of environmental stressors on reproduction, seed morphology, and germination: a case study of northern white cedar, Thuja occidentalis L. Botany, 100(11), 839–847. https://doi.org/10.1139/cjb-2022-0007
Kharachko, T. I., & Skolskyi, I. M. (2017). History and Present-Day Realities of the Botanical Garden of Danylo Halytsky Lviv National Medical University. Scientific Bulletin of UNFU, 27(3), 199–202.
Kincaid, J.A. (2016). Structure and dendroecology of Thuja occidentalis in disjunct stands south of its contiguous range in the central Appalachian Mountains, USA. Forest Ecosystems, 3(25). https://doi.org/10.1186/s40663-016-0085-4
Kowarik, I., Fischer, L.K. & Kendal, D. (2020). Biodiversity conservation and sustainable urban development. Sustainability, 12, 4964. https://doi.org/10.3390/su12124964.
Kramarets, V.O., Krynytskyy, H.T., Korol, M.M. & Lavnyy, V.V. (2023). Adaptation of Scots pine plantations to climate changes (on the example of the branch "Rava-Ruska Forestry"). cientific Bulletin of UNFU, 33(6), 13–21. https://doi.org/10.36930/40330602
Krynytskyy, H., Gout, R., Kovaleva, V. & Hrunyk, N. (2022). Investigation of the genetic diversity of species composition of forest stands. Proceedings of the Forestry Academy of Sciences of Ukraine, 24, 11–23. https://doi.org/https://doi.org/10.15421/412201
Kycheryavyi, V.P. & Kycheryavyi, V.S. (2019). Gardening of settlements. Lviv: Novyi Svit.
Kycheryavyj V.P. (2020). Urban ecology, 2nd ed. Lviv: Novyi Svit.
Kycheryavyj, V.P. (2022). Thuja occidentalis and its decorative forms: history of introduction, biology, ecology, reproduction, use. Monograph. Lviv. Novyi Svit 2000.
Kycheryavyj, V.P., Popovych, V., & Kycheryavyj, V.S. (2018). The climate of a large city and ecocline ordination of its vegetation cover. Journal of the Geographical Institute “Jovan Cvijić” SASA, 68(2), 177–193. https://doi.org/10.2298/IJGI1802177K
Nestoriak, Yu.Yu. (2015). Some theoretical approaches to the economic valuation of forest area based on ecosystem services. Scientific Bulletin of UNFU, 25(4), 82–88.
Paul, V., Bergeron, Y. & Tremblay, F. (2014). Does climate control the northern range limit of eastern white cedar (Thuja occidentalis L.)?. Plant Ecology, 215, 181–194. https://doi.org/10.1007/s11258-013-0288-5
Seidel, D. & Ammer, C. (2023). Towards a causal understanding of the relationship between structural complexity, productivity, and adaptability of forests based on principles of thermodynamics. Forest Ecology and Management, 544, 121238. https://doi.org/10.1016/j.foreco.2023.121238.
Shlapak, V.P., Zaplyvana, Y.A., Kurka, S.S., Ishchuk, G.P. & Kulbitsky, V.L. (2014). Arrangement of an alpine hill (alpinarium) on a garden site. Scientific Bulletin of UNFU, 24(6), 19–26.
Weber, A., Leckie, S. Kimmins, J.P. (Hamish), Gilbert, B., Blanco, J.A. & Lo, Y-H. (2017). Survival and growth as measures of shade tolerance of planted western redcedar, western hemlock and amabilis fir seedlings in hemlock-fir forests of northern Vancouver Island. Forest Ecology and Management, 386, 13–21. https://doi.org/10.1016/j.foreco.2016.11.019
Zheng, Z., Zeng, Y., Schneider, F.D., Zhao, Y., Zhao, D., Schmid, B., Schaepman, M.E. & Morsdorf, F. (2021). Mapping functional diversity using individual tree-based morphological and physiological traits in a subtropical forest. Remote Sensing of Environment, 252, 112170. https://doi.org/10.1016/j.rse.2020.112170
Published
2025/03/31
Section
Original Scientific Paper