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D.N. Klevtsov, O.N. Tyukavina, G.M. Adayi Complete text of the article:Download article (pdf, 0.7MB )UDС630*232.411:633.877.3DOI:10.17238/issn0536-1036.2018.4.49AbstractPlant biomass is a promising source of energy. The use of low-grade wood as a raw material for pellet fuel production is important. The development of bioenergy is one of the ways to reduce the energy dependence for industries, remote from places of gas, oil and coal extraction. The bioenergy potential of different phytomass fractions should be evaluated for their energy use. The goal of research is to assess the bioenergy productivity of Scots pine growing in different conditions of the middle taiga forest region. The areas of Scots pine cultures pure in composition and identical in the way of creation are the objects of research. The forests of cladina, vaccinium and myrtillus types of sites are considered. On the temporary sample plots, 10 model trees are selected. They are divided into the following phytomass fractions: dry branches, living branches, tree foliage (needle packing shoots with a diameter at the base not more than 0.8 cm), trunk bark, trunk wood. The greatest amount of energy is accumulated by pine cultures in the myrtillus pine forest (73.88 GJ/ha per year). The energy productivity of pine crops decreases when site deterioration. In pine forests of cladina type, the energy productivity is 4 times lower than in the myrtillus pine forest. In the pine forests of vaccinium type, the accumulated energy has an intermediate value (48.89 GJ/ha). More energy is accumulated by stem wood (66 %). Significantly lower values of energy productivity are recorded in the other fractions: dry branches ‒ 4 %, branches ‒ 8 %, woody greens ‒ 13 % and bark ‒ 9 %. These indices help to evaluate the bioenergy potential of traditionally unused phytomass fractions and to outline the ways of their energy use. The obtained information can be used in the development of a set of necessary preventive firefighting measures and theoretical bases for forest crown fires extinguishing in young pine forests. The research results present the necessary information on the stocks of combustible materials in the canopy of the stand, as well as justifying the dose of fire extinguishing chemicals and water in forest fire extinguishing.AuthorsD.N. Klevtsov1, Candidate of Agricultural Sciences, Associate ProfessorO.N. Tyukavina1, Candidate of Agricultural Sciences, Associate Professor G.M. Adayi1, 2, Postgraduate Student Affiliation1Northern (Arctic) Federal University named after M.V. Lomonosov, Naberezhnaya Severnoy Dviny, 17, Arkhangelsk, 163002, Russian Federation; e-mail: d.klevtsov@narfu.ru, o.tukavina@narfu.ru2Takoradi Technical University, P. O. BOX 256, Takoradi, Western Region, Ghana; e-mail: georgeadayi@yahoo.com Keywordsforest culture, scots pine, aerial phytomass, energy productionFor citationKlevtsov D.N., Tyukavina O.N., Adayi G.M. Bioenergy Potential of Aerial Phytomass of Scots pine in the Middle Taiga Forest Region. Lesnoy zhurnal [Forestry journal], 2018, no. 4, pp. 49–55. DOI: 10.17238/issn0536-1036.2018.4.49References1. Babich N.A., Lyubov V.K. Energeticheskiy potentsial srednetaezhnykh sosnyakov-chernichnikov iskusstvennogo proiskhozhdeniya [Energy Potential of Homogeneous Middle-Taiga Bilberry Pine Forests]. Geografiya Evropeyskogo Severa. Problemy prirodopol'zovaniya, sotsial'no-ekonomicheskie, ekologicheskie: sb. nauch. tr. [Geography of the European North. Nature Management, Socio-Economic, Environmental Problems]. Arkhangelsk, PSU Publ., 2002, pp. 194–200. (In Russ.)2. Dadykin V.P., Kononenko N.V. 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Received on February 21, 2018 Bioenergy Potential of Aerial Phytomass of Scots pine in the Middle Taiga Forest Region |
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