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Effects of different pressing conditions on properties of spruce plywoods
plywood plywood density bending strength
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2015/3/3
The paper presents results of an institutional research aimed at assessing the effect of different technological
conditions in pressing on physical and mechanical properties of plywood sheets. Spruc...
Structural diversity change and regeneration processes of the Norway spruce natural forest in Babia hora NNR in relation to altitude
Norway spruce virgin forest
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2015/3/3
The research was focused on exploring the dynamics and forms of regeneration processes and structural
diversity of the Norway spruce virgin forest in Babia hora NNR in relation to altitude. In each ...
Comparison of Norway spruce (Picea abies [L.] Karst.), Scots pine (Pinus sylvestris L.) and European larch (Larix decidua Mill.) stem shape by means of geometrical methods
Norway spruce Scots pine European larch stem shape
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2015/3/3
In this article the stem shape is compared in three coniferous tree species: Norway spruce, Scots pine
and European larch. Stem is investigated by means of geometrical methods. Simplified Bookstein ...
Effect of Mg fertilization on yellowing disease of Norway spruce at higher elevations of the Šumava Mts., Czech Republic
Mg deficiency defoliation long-term effect
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2015/3/3
Norway spruce yellowing and defoliation caused by Mg deficiency was frequently recorded on many sites
of the Šumava Mts. (Bohemian Forest Mts.) since 1980’s. A forest experiment aimed at invest...
Biomass and element pools of selected spruce trees in the catchments of Plešné and Čertovo Lakes in the Šumava Mts.
Norway spruce biomass element pools
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2015/3/3
This paper presents detailed data on the biomass and element pools of six sample trees in the catchments
of Plešné and Čertovo Lakes. Diameters and heights of the sample trees ranged from ...
Regional analysis of climate change impact on Norway spruce (Picea abies L. Karst.) growth in Slovak mountain forests
climate change impact tree ring radial increment
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2015/3/3
The paper presents the results of a regional analysis of climate change impacts on Norway spruce growth
in the north-western part of Slovakia (Orava region). Radial increment was determined from nin...
Development of the spruce natural regeneration on mountain sites in the Šumava Mts.
Bohemian Forest Mts. National Park mountain spruce forests
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2015/3/3
The aim of this study was the evaluation of the spruce natural regeneration growth and development in
Modrava and Plechy areas, which represent the first and late bark beetle attack areas. Study was...
Spruce windfalls and cambioxylophagous fauna in an area with the basic and outbreak state of Ips typographus (L.)
Norway spruce the Beskids windfalls cambioxylophages
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2015/3/3
In spruce windfalls incurred in the autumn and winter season the synusia of cambioxylophagous fauna was
evaluated in the profile of a whole stem and crown branches according to the species spectrum,...
Canopy closure altered biomass allocation in young spruce stand
tree allometry repetitive sampling tree components Picea abies carbon sequestration and cycling
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2015/5/6
Growth intensity of particular tree components is controlled by a variety of factors and as a consequence, biomass allocation also changes over time. Since allocation of biomass controls the carbon re...
Production of Norway spruce (Picea abies [L.] Karst.) seedlings on substrate mixes using growth stimulants
Norway spruce seedlings substrates and their mixes biostimulant treatment
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2015/2/6
We evaluated the growth of Norway spruce (Picea abies [L.] Karst.) seedlings on peat and bark substrates, on their mixes and on their mixes with agroperlite. We examined the basic quantitative traits ...
Effect of the position in a stem on the length of tracheids in spruce (Picea abies [L.] Karst.) with the occurrence of reaction wood
spruce tracheid length of tracheids compression wood
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2015/2/6
The paper was aimed at the determination of variability of tracheid dimensions in spruce wood in relation to the position in a spruce stem. Significant changes in dimensions were found in early-wood a...
Effects of pressure on the root systems of Norway spruce plants (Picea abies[L.] Karst.)
root growth stress pressure RAI Picea abies(L.) Karst
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2015/2/6
Roots are stressed quire often under natural conditions, e.g. when considering sloping terrain, layers of fluvial deposits, huge layers of melting snow, load of heavy forest machinery during logging a...
Possible methods of Norway spruce (Picea abies[L.] Karst.) stem shape description
Norway spruce (Picea abies [L.] Karst.) stem shape Bookstein coordinates stem shape diameters Procrustes tangent coordinates principal components analysis
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2015/2/6
The paper shows a possibility of using Bookstein coordinates for stem shape studies. Bookstein coordinates are simplified to stem shape diameters, for which tests of multidimensional normality, varian...
Structure and functions of the types of Norway spruce (Picea abies[L.] Karst.) roots
histology primary roots secondary structure Picea abies (L.) Karst.
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2015/2/6
The aim of the study was to describe variability of the structure of roots in Norway spruce (Picea abies [L.] Karst.) from their growth tips to the stem foot, i.e. anchor roots in relation to their ch...
Population dynamics of eight-toothed spruce bark beetle (Ips typographus[L.]) in the area of National Nature Reserve Praděd in 1998–2001
Ips typographus population dynamics management of Ips typographus NNR Praděd regulated disintegration
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2015/2/6
The paper deals with the study of bionomics and population dynamics of Ips typographus (L.) in the area of the Praděd National Nature Reserve (NNR). Data were collected on the basis of detected feedin...