DOI: 10.5593/SGEM2014/B32/S14.055


I. Grigoriev, E. Khitrov, V. Ivanov,A. Kalistratov, V. Bozhbov
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-14-8 / ISSN 1314-2704, June 19-25, 2014, Book 3, Vol. 2, 407-414 pp

This article is devoted to energy intensity assessment of different species production of forest use. Summary data on forest stands` biomass of pine, spruce, birch and aspen is presented. It is obtained by analysis of reference data for the conditions of the North-West Russia. Using the data on the relative moisture in freshly-cut state, estimates of dry biomass amount per 1 ha of forest area depending on site class and specie are obtained. Also it is analyzed the "energy cost" of dry biomass per 1 ha of forest area depending on stand` site class and specie. According to data analysis on the progress of model stands growth for the conditions of the North-West Russia the dynamics of maximum "energy cost" changes for Ia site class is obtained. The analyze shows that in term of environmental (energy) efficiency preferably to make crop rotation of deciduous to softleaved. It is also assessed "energy cost" of biomass concentrated in different parts of the tree which has reached the age of maturity (120 years for deciduous and 60 for broadleaved species).

Keywords: stocktaking, energy consumption, wood biomass energy

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