Results 41 to 50 of about 5,281,681 (332)
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2004 The work was focused on problematics of annual-rings width according to position within the tree stem. Annual-ring widths, ratio of late wood and early wood by spruce with compression wood were investigated.
Vladimír Gryc, Jiří Holan
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Pointer years in the growth of beech trees of the NP "Đerdap" area [PDF]
Glasnik Šumarskog Fakulteta: Univerzitet u Beogradu, 2014 This paper defines pointer years and years with distinctive tree rings in the growth of beech in 3 sites (ecological units-EU) of the area of Đerdap, in order to observe the reactions of trees to the effects of various factors of growth.
Stajić Branko
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Laser Photoacoustic Detection of CO2 in Old Disc Tree-Rings
Sensors, 2010 A homemade CO2–laser photoacoustic spectrometer has been used for monitoring CO2 in gas samples extracted under vacuum from the wood of old spruce disc tree-rings for a ~60 year series.
Boris Ageev +2 more
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The use of X-ray method to study annual growth variation of Pinus eldarica [PDF]
تحقیقات علوم چوب و کاغذ ایران, 2013 Using non-destructive methods to study forest productivity and wood quality as well as annual growth variations deserve special importance. In this regard annual growth changes of Pinus eldarica include width of the spring and summer rings and percentage
Saeid Mehrabi
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Additive singular spectral model of a dendrochronological signal
Известия Томского политехнического университета: Инжиниринг георесурсов, 2023 Relevance. Allocation of structural components in a dendrochronological signal of annual rings of coniferous trees expands the possibilities of the bioindication method and allows obtaining information about changes in environmental conditions in the ...
Vladimir V. Zuev +2 more
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Journal of Environmental Engineering and Landscape Management, 2006 The paper analyses relationship between pine (Pinus sylvestris L.) biomass and the specific activity of an artificial radio‐isotope 137Cs in wood. The specific activity of 137Cs was measured in the segments of pine (Pinus sylvestris L.) annual rings. The
Donatas Butkus +1 more
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Известия Томского политехнического университета: Инжиниринг георесурсов, 2020 Relevance of the study is determined by the necessity to provide ecological and geochemical assessment of technogenic impact on environment and population health related to urbanization and industrial development resulting in contamination of natural ...
Elena M. Tursunalieva +3 more
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Comparative analysis of annual rings of perennial forbs in the Loess Plateau, China
, 2016 Although recent studies have demonstrated that annual growth rings are present among perennial forbs species at high northern latitudes, little is known about whether there are demarcated growth rings of perennial forbs in the Loess Plateau of China ...
Songlin Shi +7 more
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Directional variance analysis of annual rings
Journal of Physics: Conference Series, 2010 The wood quality measurement methods are of increasing importance in the wood industry. The goal is to produce more high quality products with higher marketing value than is produced today. One of the key factors for increasing the market value is to provide better measurements for increased information to support the decisions made later in the ...
P Kumpulainen, K Marjanen
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Известия Томского политехнического университета: Инжиниринг георесурсов, 2020 The relevance of the research consists in the need to search for invention of accurate and informative indicator for ecological monitoring. The aim of the research is to study the features of chemical elements accumulation in annual rings of pine (Pinus ...
Anastasia S. Mironova +3 more
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