The form of dead bark in Scots pine (Pinus sylvestris L.) and selected biometric features and indicators
Journal Title: Annals of WULS, Forestry and Wood Technology; Zeszyty naukowe SGGW - Year 2016, Vol 95, Issue
Abstract
The form of dead bark in Scots pine (Pinus sylvestris L.) and selected biometric features and indicators. The paper attempts to define a relation between the values of some selected biometric features and indicators and the forms of dead bark in trees. Material for the study came from pure pine stands aged from 89 to 91 years, located in the Northern Poland. The analysis covered the following biometric features: diameter at breast height (DBH), area of sapwood (Sa) and heartwood (Ha) on the cross section of bolts at breast height, area of early wood (Eas) and late wood (Las) in the sapwood zone, mass of fresh needles (MFN), mass of fresh twigs with needles (MFT) and the following indicators: quotient of the sapwood and heartwood area, quotient of the early to late wood area in the sapwood zone and in the section of bolts at breast height. The obtained results show variations of the analyzed biometric features and indicators, not all of them being statistically significant.
Authors and Affiliations
Tomasz Jelonek, Witold Pazdrowski, Magdalena Arasimowicz-Jelonek, Arkadiusz Tomczak
Keywords
Related Articles
- EP ID EP356835
- DOI -
- Views 75
- Downloads 0
The effect of long-time storage of MUF resin on its physical and chemical properties
The effect of long-time storage of MUF resin on its physical and chemical properties. Melamine-urea- formaldehyde resin was subjected to 21-month ageing at 20°C. The analysis of the changes in its physical and chemical p...
Compression strength parallel to grain of structural ekki wood
Compression strength parallel to grain of structural ekki wood. Due to its extreme natural durability, high density and strength parameters, ekki wood is a well-known structural material, appreciated in Western Europe an...
Collagen biomaterial as a modifier of thermoplastic adhesive
Collagen biomaterial as a modifier of thermoplastic adhesive. Fibril proteins of skin, mainly collagen and keratin are significant and perspective biopolymers for selected technical applications e.g. bonding. Native coll...
Strength and modulus of elasticity of thermally modified pine structural timber
Strength and modulus of elasticity of thermally modified pine structural timber. This paper presents the results of determination of some physical and mechanical properties of thermally modified pine (Pinus sylvestris L....
Physical-mechanical properties of surface finish on aspen poplar wood
Physical-mechanical properties of surface finish on aspen poplar wood. The article deals with the hardness of transparent coatings and the impact resistance of the coatings on aspen poplar wood. Transparent finishes, the...