Foliage biomass qualitative indices of selected forest forming tree species in Ukrainian Steppe

Sytnyk, Svitlana; Lovynska, Viktoriia; Lakyda, Ivan

doi:10.1515/foecol-2017-0005

Cited by 11 publications

(9 citation statements)

References 19 publications

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“…Given that in deciduous stands the process of foliage biodegradation is more intense compared to coniferous stands, the utilization rates for European beech stands are 10 % higher in the respective types of forest growth conditions than for Norway spruce and silver fir stands due to the peculiarities specific for the coniferous and hardwood broadleaved tree species groups [21]. Also, in local areas that are subject to a significant recreational load during fire hazard period, we propose to increase the utilization rates by 10-20%.…”

Section: Research Resultsmentioning

confidence: 99%

Environmentally balanced preconditions for use of logging residues in forests of Ukrainian Carpathians for energy production

Vasylyshyn

Lakyda

Soshenskyi

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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Use of woody biomass of logging residues at plots where different types of logging has occurred as a planned management activity has to be based on the analysis of relevant environmental risks. These risks include biodiversity losses, soil fertility reduction, and formation of dangerous volumes of flammable materials in forests during the fire-hazardous period, which is especially relevant on plots with high recreational load. As a result of the research, we propose indicative utilization rates for logging residues at sites where care or final cuts occur in spruce, beech and fir dominated stands in various growth conditions. The information basis of the research is formed by the research data on distribution of the relevant forest stands in different types of forest growth conditions, as well as on influence of forest growth conditions on processes of biological destruction and accumulation of forest flammable materials at plots with intensive recreational load. The proposed utilization rates for logging residues serve as an information component in the process of formation of regional strategy of forest bioenergy development.

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Section: Research Resultsmentioning

confidence: 99%

Environmentally balanced preconditions for use of logging residues in forests of Ukrainian Carpathians for energy production

Vasylyshyn

Lakyda

Soshenskyi

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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“…The second direction, historically, has developed significantly in Ukraine. It is largely based on forest biological productivity research, which provide a detailed scientific study of questions at the local and regional scale [4,5,6] in line with the IPCC's (Intergovernmental Panel on Climate Change) current vector. A considerable attention in the course of these scientific developments is paid to the quantification of individual ecosystem functions of forests [7].…”

Section: Analysis Of Recent Research and Publicationmentioning

confidence: 99%

Energy potential of woody biomass in Ukraine’s forests and prospects for its utilization as an alternative energy source

Vasylyshyn

Lakyda

Yurchuk³

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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Woody biomass in Ukraine is currently seen as an important resource for securing development of national renewable energy sector, avoiding dependence on the imported fossil fuels, and for building a low-carbon economy. This research highlights the indices of the overall energy potential of Ukraine’s forests of the dominant tree species, expressed in units of primary energy. The indices are differentiated by biomass components and stand age groups. The information basis of the research consists of two main components: data on biometric assessment of trees collected at temporary sample plots, and mathematical models of biomass expansion factors. The research features the assessment results on the annual potential of woody biomass for stem wood (fuel wood), logging residues and wood processing residues. This resource forms a part of the sources of renewable energy and can be used for securing energy needs of the society. The proposed indices of woody biomass energy potential serve as an information basis for shaping the regional programs of forest bioenergy development in Ukraine.

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“…There are only single published patterns of changes in the proportion of needles in the leafy shoots of Scots pine in relation to the stem diameter at breath height, and they are directly opposite. In the conditions of the Ukrainien steppe, this relationship is negative (Sytnyk et al, 2017), and in the northern taiga subzone in the Arkhangelsk region it is positive (Babich et al, 2004).…”

Section: Introductionmentioning

confidence: 99%

The needle percentage in the leafy shoot biomass of Scots pine in climate gradients of Eurasia

Усольцев

Żukow

Tsepordey

2022

J Educ Health Sport

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The efficiency of using photosynthetically active radiation by trees largely depends on the architecture of the assimilation apparatus in their crown. It is known that an increase in the level of atmospheric pollution is accompanied, on the one hand, by an increase in the foliage density on the leafy shoot length, and on the other hand, by an increase in the transparency of the crown due to the expansion of the leafless inner part of the crown. On this basis, we assume that the foliage percentage of leafy shoots (PL) is a sensitive indicator of changes in growing conditions not only due to environmental pollution, but also in broader ecological aspects, in particular, in the geographical or climatic gradients of Eurasia. For this purpose, a database of empirical data has been formed in the amount of 558 model trees of Scots pine of natural and artificial origin from 6 regions of Northern Eurasia with a measured percentage of needle in the leafy shoot biomass. A regression model has been designed, in which the contributions of mensuration variables (tree age and stem diameter), climatic variables (temperature and precipitation) and the origin of stands (natural and artificial) to explain the variability of the desired PL indicator are 15, 53 and 30 %, respectively. It is concluded that with a decrease in annual precipitation from 600 to 300 mm, there is an increase in PL by 0.2..0.3% for every 10 mm of annual precipitation, both in natural stands and in plantations. When the January temperature decreases from 0°C to -20 °C, PL increases by 0.8...1.0% for each 1°C. Thus, the foliage percentage of leafy shoots of Scots pine is an indicator of changes in growing conditions in the climate gradients of Eurasia.

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Foliage biomass qualitative indices of selected forest forming tree species in Ukrainian Steppe

Cited by 11 publications

References 19 publications

Environmentally balanced preconditions for use of logging residues in forests of Ukrainian Carpathians for energy production

Environmentally balanced preconditions for use of logging residues in forests of Ukrainian Carpathians for energy production

Energy potential of woody biomass in Ukraine’s forests and prospects for its utilization as an alternative energy source

The needle percentage in the leafy shoot biomass of Scots pine in climate gradients of Eurasia

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