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Variation of the tree ring micro-hardness demonstrated on spruce wood
wood tree ring micro-hardness penetration strength
2015/2/2
Micro-hardness was used for the study of wood structure (Norway spruce) in the line perpendicular to tree rings (radial surface). The steel indentor 0.25 mm in diameter with flat head was used for thi...
Structure and accumulation of litterfall under Norway spruce stands in connection with thinnings
litterfall nutrients thinning Norway spruce
2015/2/2
The effect of thinning on the structure and accumulation of litterfall and holorganic horizons (L, F, H) in young Norway spruce stands was investigated. The research was conducted on a Norway spruce t...
Risk evaluation of the climatic change impact on secondary Norway spruce stands as exemplified by the Ktiny Training Forest Enterprise
climatic change Norway spruce risk evaluation health conditions
2015/2/2
The paper proposes a method of assessing the potential risks of the future development of stands in relation to a climatic change. To assess risks of the future development of a stand simple point sca...
Changes in trends of the height growth of spruce and pine derived from continuous measurements in forest management plans of Kostelec nad Černymi lesy and on pilot research plots in the Czech Republic
spruce pine mean stand height height growth trends current and mean height increment stand age year forest vegetation zones forest management plan (FMP) pilot research plots (PRP)
2015/2/2
In changing growth conditions, methodical procedures should concentrate on the investigation of processes currently under way in forests. Many studies have shown that present models of forest growth p...
Influence of amphibolite powder and Silvamix fertiliser on Norway spruce plantation in conditions of air polluted mountains
Jizerské hory Mts. Norway spruce chemical amelioration amphibolite powder Silvamix fertiliser plantation development
2015/2/2
The objective of the paper is to assess the effects of amphibolite powder (waste from a dust removing process in a rock pulveriser) and Silvamix slow release fertiliser on Norway spruce plantation in ...
Progress of spreading Stereum sanguinolentum (Alb. et Schw.: Fr.) Fr. wound rot and its impact on the stability of spruce stands
Stereum sanguinolentum bark stripping stand stability Norway spruce
2015/2/2
In 2002–2003, we conducted a detailed inventory of bark stripping damage in Forest District (FD) Mořkov (Forest Enterprise Frydek-Místek) and in Forest Range (FR) Proklest (Training Forest Enterp...
Gradients of the content of photosynthetic pigments and radiation as manifestations of the health condition of Norway spruce (Picea abies [L.] Karst.)
chlorophyll carotenoids radiation transmittance health condition Picea abies (L.) Karst.
2015/2/2
The paper deals with the health condition of sample trees of Norway spruce (Picea abies [L.] Karst.) on the basis of the distribution and quantity of chlorophyll a + b and carotenoids with respect to ...
Possibilities of influencing the rooting quality of Norway spruce (Picea abies [L.] Karst.) cuttings
Norway spruce Picea abies (L.) Karst. vegetative propagation cuttings cutting date position of cuttings in crown mother plantation age rooting quality rooting ability
2015/2/2
The influence of the date of cutting collection and cutting position in the crown on rooting quality was evaluated in cuttings taken from seven-year ortets. The evaluation of various dates of cutting ...
Induction thinnings of mountain spruce forests
spruce induction thinnings thinning percent type of thinning thinning interval thinning index
2015/2/2
The paper presents models of decennial thinning percents of spruce in mountain locations. They were derived by regression fitting from empirical material with 108 measurements on 93 research plots. Mo...
Notes to distribution and seasonal activity of spruce diprionids (Hymenoptera: Diprionidae) in the eastern part of the Czech Republic
Gilpinia Diprionidae Malaise trap spruce forests faunistics ecology Czech Republic
2015/2/2
A study of diprionids associated with spruce was done at 31 sites of the eastern part of the Czech Republic in 1988–2003. In total 45 specimens belonging to Gilpinia abieticola (6 specimens), G. hercy...
Soil surface CO2 fluxes in a Norway spruce stand
Norway spruce Picea abies soil CO2 efflux Q10
2015/2/2
The measurements of soil CO2 efflux in a Norway spruce (Picea abies [L.] Karst.) forest stand are reported for a 6-month period (from May 1st to October 26th 1999). Forest floor CO2 efflux was measure...
Thinning experiments in Norway spruce stands after 40 years of investigation – 1st series
negative selection from below thinning Norway spruce
2015/1/29
Forestry and Game Management Research Institute at Jíloviště-Strnady has created a new experimental base for thinning research since 1956. A total of 46 experimental series were founded in Norway...
Change of cold hardiness in bare-rooted Norway spruce planting stock during autumn and its effect on survival
cold hardiness electrolyte leakage lifting date
2015/1/29
The objective of this study was to test a method of measurements of electrolyte leakage for determining an optimal autumn lifting date. The second objective was to obtain information about the effects...
Effect of long-term tending on qualitative and quantitative production in mixed stands of spruce, fir and beech on Motyky research plot
thinnings crop trees static stability
2015/1/29
The paper is a contribution to research on thinnings in mixed (spruce-fir-beech) stands situated in the fifth forest altitudinal zone in the central part of Slovakia. Three plots were tended by free c...
Prosperity of spruce plantation after application of dolomitic limestone powder
liming forest soils soil properties
2015/1/29
The subject of this paper was to assess the effects of pulverised dolomitic limestone applications on prosperity of Norway spruce (Picea abies L.) plantation and on the soil in extreme ecological cond...