The Forest Management Influence on the Redistribution of Organic Matterand Chemical Elements of Soil in the Oak Forests of Transcarpathia

Agiy, V.O.; Kopiy, Serhiy; Fizyk, Igor; Kopiy, Leonid

doi:10.15421/40260502

Cited by 3 publications

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“…The results obtained from this study confirm the importance of issues related to the preservation and effective management of forest ecosystems, particularly within the unique natural complex of the Ukrainian Roztochya region, which holds significance as part of the Main European Watershed (Soroka, 2008). In general, the study of natural oak regeneration was conducted under diverse edaphoclimatic conditions and across multiple geographical regions of Ukraine: from Zakarpattska Oblast (Agiy et al, 2016) to Sumy Oblast (Rumyantsev, 2016;Bondar et al, 2020).…”

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confidence: 66%

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2023

Ukr. j. for. wood sci.

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The examination of plant resistance to drought is becoming increasingly relevant due to global warming. All species of the genus Aristolochia L. possess high decorative qualities and play an important role in natural ecosystems. However, under conditions of temperature imbalance, their ornamental value may decrease due to leaf turgor loss and even leaf shedding. The purpose of the paper is to highlight the results of studies on the drought resistance assessment of Aristolochia L. plant species to identify the most promising taxa suitable for cultivation in the city of Kyiv. The study was conducted in 2022 on three species of vines: Aristolochia macrophylla Lam., A. tomentosa Sims., A. manshuriensis Kom., which grow in the M.M. Gryshko National Botanical Garden (Kyiv). The study presented results on leaf hydration parameters, water deficit, water-holding capacity of leaves, electrical conductivity, and specific leaf area conducted in the Plant Physiology and

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Section: Table 2 Continuedsupporting

confidence: 66%

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2023

Ukr. j. for. wood sci.

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“…Вивченням природного поновлення дуба звичайного у різний час займалось багато українських [3,6,9,19,28,30,31,33,34,51,55] та іноземних науковців [2,7,8,14,27,38,[40][41][42][43][44]. Дослідження проводилися в широких едафокліматичних умовах та в багатьох географічних регіонах нашої країни: від Закарпаття [1] до Сумщини [3,39]. Основні лісотвірні деревні види Розточчя, в тому числі і дуб звичайний характеризуються високим репродуктивним потенціалом.…”

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Tree species composition and height structure of undergrowth in fresh hornbeam-oak-pine forest on relatively rich soils of the Ukrainian Roztochia

Lavnyy,

Kravchuk,

Vytseha

et al. 2021

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The fresh hornbeam-oak-pine forest on relatively rich soils of the Ukrainian Roztochia is characterized by a good natural regeneration of tree species, both under the forest canopy after the first irregular shelterwood cutting, and on two clear cut areas. After the first irregular shelterwood cutting, the total amount of self-seeding and undergrowth changes from unsatisfactory (10.480 pieces/ha) at the beginning of the 2020 vegetation season to good (41.528 pieces/ha) at the end of the 2020 growing season. A year later, its number has not changed and 42.693 individuals/ha were counted. However, the share of pedunculate oak in the total number of undergrowth here is only 1.7%. Natural regeneration of all tree species under the forest canopy is characterized by an uneven distribution in the area. Hornbeam has the highest incidence rate - 75.6%. Species such as Scots pine, hanging birch and goat willow have a frequency of 30.8 to 39.7%. Other tree species are much less common, including pedunculate oak (abundance from 1.3% to 12.8%). On clear cut areas the total amount of self-seeding and undergrowth varies from 175.6-275.3 units/ha at the beginning of the vegetation period of 2020 to 299.4 thousand pieces/ha at the end of that vegetation period, and a year later, in autumn 2021 it reached 461.2 thousand pieces/ha. Hornbeam also had the highest abundance rate - 97.3-98.1%, followed by pedunculate oak (43.5-77.3%), birch (42.6-52.7%) and pine (29.6-34.0%). Other tree species, such as lime, willow, sycamore, beech, elm, aspen, and others, had a frequency of 0.7 to 20%. In general, in all the studied areas, the composition of self-seeding and undergrowth was dominated by a small fraction up to 20 cm in height. To ensure the advantage of pedunculate oak in the naturally formed young stands in all areas it is necessary to carry out silvicultural treatments such as cleaning or precommercial thinning.

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The natural regeneration characteristics in oak forests following different methods of clearcutting

Spathelf,

Lavnyy,

Kravchuk

et al. 2023

Ukr. j. for. wood sci.

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An important task for Ukrainian foresters is to adapt forests to climate change and ensure sustainable forest management. One key measure for achieving this goal is the natural regeneration of tree species, which contributes to the biological resilience of forest stands. The purpose of this study is to assess the impact of different methods of main use fellings on the natural regeneration process of tree species in oak forests. The study was conducted within the territory of the Stradch Forestry Educational and Production Complex of the Ukrainian National Forestry University. Data on the quantity and height of oak seedlings and saplings, and other tree species, were collected through observation after various methods of main use fellings were applied in oak forests. An analytical method was applied to detect patterns and differences in quantitative and qualitative indicators of young trees of different species in sample plots. Statistical data analysis was employed to establish relationships and draw conclusions based on numerical data. Different success rates of natural regeneration of tree species were identified on plots subjected to various methods of main use fellings. Positive dynamics in the quantity of seedlings and saplings were observed due to first intervention of the uniform shelterwood felling, ranging from unsatisfactory to good levels. It is recognised that the distribution of seedlings and saplings of all tree species was uneven across the area. Hornbeam has the highest frequency of occurrence – 75.6%. Tree species like Scots pine, European birch, and goat willow exhibited occurrence frequencies ranging from 30.8% to 39.7%. In general, in all the studied areas, the undergrowth of tree species was dominated by a small fraction up to 20 cm of height. To ensure the prevalence of pedunculate oak in naturally formed young stands, silvicultural care for its saplings is necessary on all plots. The obtained results provide a basis for developing scientifically grounded forest management measures aimed at increasing the quantity and quality of valuable tree species’ saplings, particularly pedunculate oak

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The Forest Management Influence on the Redistribution of Organic Matterand Chemical Elements of Soil in the Oak Forests of Transcarpathia

Cited by 3 publications

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Tree species composition and height structure of undergrowth in fresh hornbeam-oak-pine forest on relatively rich soils of the Ukrainian Roztochia

The natural regeneration characteristics in oak forests following different methods of clearcutting

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