Features of basic wood density dynamics for stem wood of European spruce in prevailing forest site types on the territory of Poloninskyy ridge (Ukrainian Carpathians)
Journal Title: Лісівництво і агролісомеліорація - Year 2016, Vol 129, Issue
Abstract
The European spruce (Picea abies L.) stands were studied in the territory of Poloninskyy Ridge in Ukrainian Carpathians in moist fairly fertile (C3) and moist fertile (D3) prevailing forest site types (FST). The peculiarities of wood density dynamics for the stem wood, bark covered wood and a bark were analyzed in oven-dry state and under full humidification. The basic wood density was analized, too. An average basic wood density in FST C3 is 392 ± 9 kg•(m3)-1, and in FST D3 it is 345 ± 8 kg•(m3)-1 The maximum difference in average values of basic stem density in different types of site conditions is peculiar to the bark – 103 kg•(m3)-1 (25.4 % of the value in the FST C3) as compared to the rest of the fractions, where the difference is less significant: the value of the average basic stem wood density differs by 45 kg•(m3)-1 (12.0 % of the value in the FST C3) and bark covered stem wood by 64 kg•(m3)-1 (16.4 % of the value in FST C3). An age dynamics simulation was done for the basic stem wood density and its dependence on the diameter and height of the stem. It was found that the reduction of the values at a young age and the gradual increase to the age of maturity is peculiar to the dynamics of average basic stem wood density of European spruce in FST C3 and D3. Average values of the characteristic are higher in the FST C3 compared to FST D3.
Authors and Affiliations
A. Zadorozhnyy, H. Hrynyk
Keywords
Related Articles
- EP ID EP176701
- DOI -
- Views 229
- Downloads 0
Morphological and biochemical differences of trees with different resistance to annosum root rot
Research materials on morphological and biochemical processes in pine stands affected by annosum root rot are showed. Three categories of trees’ sanitary condition: "conditionally resistant", "sick", "healthy" are examin...
Features of growth and formation of artificial oak stands on Velykoanadolsky forest area
Mathematical models are shown and yield tables are constructed for artificial modal and standard oak stands of the Velykoanadolsky forest area, created in fresh elm-maple oak forest type in open elevated northern Steppe....
Prediction of 137Сs accumulation by cranberry (Oxycoccus palustris Pers.) on the bogs of Zhytomyr Polissya in the modern period
Introduction During the period after the Chernobyl catastrophe 137Cs accumulation by cranberry remains high in Zhytomyr Polissya. The latest study of radioactivity of cranberry was carried out in the region at 2007, so a...
Growth dynamics of progenies of Scots pine proveniences in plantations of 1975 in the Left bank Forest-Steppe
Growth and quality indices of provenance tests of the second generation of Scotch pine which was planted in 1975 in the Left bank Forest-Steppe are analyzed. Growth dynamics of progenies of provenance groups for up to 37...
Using “Rokohumin” for cuttings propagation of coniferous in decorative seed plot of SE “Trostyanetske Forest Economy”
The article reports the results of study of using amino acid humate fertilizer “Rokohumin” for cuttings propagation of decorative coniferous of Western arborvitae (f. Smaragd) (Thuja occidentalis Golden Smaragd), Canadia...