Báo cáo lâm nghiệp: "Analysis of some dynamic series of forest production and trends of forest economics in the Czech Republic" ppt

Báo cáo lâm nghiệp: "Analysis of some dynamic series of forest production and trends of forest economics in the Czech Republic" ppt

Báo cáo lâm nghiệp: "Analysis of some dynamic series of forest production and trends of forest economics in the Czech Republic" ppt

... m 3 /ha (according to Report on the Condition of Forests and Forestry in the Czech Republic, 2004). Timber felling In the whole post-war period, annual timber fell- ing in the forestry of Czech Republic ... some dynamic series of forest production and trends of forest economics in the Czech Republic V. K Faculty of Forestry and Woo...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) natural regeneration" ppsx

Báo cáo lâm nghiệp: "Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) natural regeneration" ppsx

... on high growing stock, wood production and especially the values of mensurational indices attract attention. At Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) ... Effect of site preparation on survival and growth of Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) seedlings. New Forests, 3: 89–98. G L. (1...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Analysis of the production potential of raw wood in the forests of Slovakia" pps

Báo cáo lâm nghiệp: "Analysis of the production potential of raw wood in the forests of Slovakia" pps

... 2003 SP 26 028 OC 04 Modification of Utility Properties of Wood Materials and Extension their Using. Analysis of the production potential of raw wood in the forests of Slovakia R. P, J. M National ... in the area dis- tribution of age classes occurred mainly due to the realization of regeneration felling, including salvage felling in the sta...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Analysis of snow accumulation and snow melting in a young mountain spruce and beech stand in the Orlické hory Mts., Czech Republic" pptx

Báo cáo lâm nghiệp: "Analysis of snow accumulation and snow melting in a young mountain spruce and beech stand in the Orlické hory Mts., Czech Republic" pptx

... in the last decade of April, the snow melting rate in spruce reached about 26 mm/day, in beech about 28 mm/day and in the open area maximally 37 mm/day. All snow melted in spruce and in the ... process of snow precipitation in the spruce and beech stands, snow depth and snow water equivalent were always higher in the leafless br...
Ngày tải lên : 07/08/2014, 04:20
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Báo cáo lâm nghiệp: "Analysis of the aerial application of fertilizer and dolomitic limestone" docx

Báo cáo lâm nghiệp: "Analysis of the aerial application of fertilizer and dolomitic limestone" docx

... variability of the applied amount of fertilizers (meeting the required amount in the particular parts of Habovka area) 2001). On the other hand, the complex analyses of aerial spraying and quality ... needles before the application of fertilizer or dolomitic lime- stone, and to evaluate the total amount of substance (whether the amount of substance...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "Analysis of the accuracy of GPS Trimble Juno ST measurement in the conditions of forest canopy" pot

Báo cáo lâm nghiệp: "Analysis of the accuracy of GPS Trimble Juno ST measurement in the conditions of forest canopy" pot

... Brno, in the vicinity of the Brno Dam, and the second area (area B) was situated northeast of Brno, on the southern border of the for- est ground belonging to the Křtiny Training Forest Enterprise ... for testing the aforementioned GPS JUNO ST, as the accuracy quoted by the manufacturer is 1 to 5 m after post-process correction. Table 1. List of testi...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: " Estimation de l’accroissement et de la production forestière à l’aide de placettes permanentes " pdf

Báo cáo lâm nghiệp: " Estimation de l’accroissement et de la production forestière à l’aide de placettes permanentes " pdf

... original Estimation de l’accroissement et de la production forestière à l’aide de placettes permanentes concentriques Jacques HÉBERT, Nils BOURLAND, Jacques RONDEUX* Faculté universitaire des Sciences ... placettes circulaires uniques de rayon fixe (18 m) équivalentes à la plus grande des placettes concentriques. De cette manière, nous avons pu procéder...
Ngày tải lên : 08/08/2014, 00:21
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Báo cáo lâm nghiệp: "Studies on European beech (Fagus sylvatica L.). Part 1: Variations of wood colour parameters" pptx

Báo cáo lâm nghiệp: "Studies on European beech (Fagus sylvatica L.). Part 1: Variations of wood colour parameters" pptx

... separating peripheral wood (PW), red heartwood (RH) and non red heartwood (NRH) points (mean for 342 boards). Colour variations of European beech wood 631 Figure 6 illustrates these variations of colour for L* only ... 10.1051/forest:2005063 Original article Studies on European beech (Fagus sylvatica L.). Part 1: Variations of wood colour paramet...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp: "Classifying xylophone bar materials by perceptual, signal processing and wood anatomy analysis" pdf

Báo cáo lâm nghiệp: "Classifying xylophone bar materials by perceptual, signal processing and wood anatomy analysis" pdf

... article Classifying xylophone bar materials by perceptual, signal processing and wood anatomy analysis Loïc BRANCHERIAU a *, Henri BAILLÈRES a , Pierre DÉTIENNE a , Richard KRONLAND b , Bloen METZGER b a ... twice/cm by marginal parenchyma bands in Swietenia, 15 times by bands in Hymenolobium, while in the woods with poor acoustics the tissues were disrupted 35–50 tim...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp: "Beech (Fagus sylvatica L.) – Technological properties, adhesion behaviour and colour stability with and without coatings of the red heartwood" ppsx

Báo cáo lâm nghiệp: "Beech (Fagus sylvatica L.) – Technological properties, adhesion behaviour and colour stability with and without coatings of the red heartwood" ppsx

... (+6.1% for the modulus of elasticity and +7.09% for the bending strength). The swelling behaviour of the beech with red heart is slightly increased. The hygroscopic behaviour of the red- hearted ... determine the quantitative colour differences of normal and red- hearted wood and the behaviour of the colour differ- ence during xenon-arc exposu...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp:"Analysis of log shape and internal knots in twenty Maritime pine (Pinus pinaster Ait.) stems based on visual scanning and computer aided reconstruction" pptx

Báo cáo lâm nghiệp:"Analysis of log shape and internal knots in twenty Maritime pine (Pinus pinaster Ait.) stems based on visual scanning and computer aided reconstruction" pptx

... 137144 â INRA, EDP Sciences, 2003 DOI: 10.1051/forest:2003006 Original article Analysis of log shape and internal knots in twenty Maritime pine (Pinus pinaster Ait.) stems based on visual scanning and ... sawing simulation. 5. CONCLUSIONS The use of visual scanning techniques and computer- aided reconstruction was applied for Maritime pines...
Ngày tải lên : 08/08/2014, 01:21
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Báo cáo lâm nghiệp: "Paramètres structuraux et/ou ultrastructuraux facteurs de la variabilité intra-arbre de l’anisotropie élastique du bois" pptx

Báo cáo lâm nghiệp: "Paramètres structuraux et/ou ultrastructuraux facteurs de la variabilité intra-arbre de l’anisotropie élastique du bois" pptx

... PRÉVISIONNELS DE L’ANISOTROPIE ÉLASTIQUE Valider la pertinence de la pyramide des modèles introduits au chapitre précédent pose deux classes de problèmes. Il con- vient, d’une part, de disposer de valeurs ... original Paramètres structuraux et/ou ultrastructuraux facteurs de la variabilité intra-arbre de l’anisotropie élastique du bois Daniel GUITARD,...
Ngày tải lên : 08/08/2014, 01:22
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Báo cáo lâm nghiệp: "Analysis of lipophilic compounds in needles of Pinus pinea L" docx

Báo cáo lâm nghiệp: "Analysis of lipophilic compounds in needles of Pinus pinea L" docx

... (1991) [7] in oleoresin of P. pinea; the last seven acids in wood and bark by Hafizoglu (1989) [5], and the first six, in soil of a P. pinea forest and in plant material from this Pinus species ... 28%. The levels of these acids in trees 7 and 8 were very similar to those of abietic acid, the main resin acid. Lipophilic compounds in Pinus pinea L. 453 Table II...
Ngày tải lên : 09/08/2014, 04:20
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Báo cáo lâm nghiệp: "doubling atmospheric CO concentration on 2 matter distribution and CO exchange of 2 yr growth, dry 2 old sweet chestnut trees (Castanea sativa Mill.)" pptx

Báo cáo lâm nghiệp: "doubling atmospheric CO concentration on 2 matter distribution and CO exchange of 2 yr growth, dry 2 old sweet chestnut trees (Castanea sativa Mill.)" pptx

... after a 2 wk adaptation period as the slope of C0 2 concentration over time in the whole chamber (Gaudillere and Mousseau, 1989). During the two 1 st 2 wk, the C0 2 concentration ... where environmental conditions were controlled (22 /15°C day-night, 15 h photoperiod, 50% RH). Whole plant photo- synthesis at 25 0 jlmol-m- 2 s- 1 PPFD...
Ngày tải lên : 09/08/2014, 04:20
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Báo cáo lâm nghiệp: "Carbon partitioning: fructose 2,6-bisphosphate content as an indicator of specific changes in carbohydrate metabolism in needles from class II spruce trees" pot

Báo cáo lâm nghiệp: "Carbon partitioning: fructose 2,6-bisphosphate content as an indicator of specific changes in carbohydrate metabolism in needles from class II spruce trees" pot

... be indicative of increased partitioning of carbon into sucrose (starch decreases) and this situa- tion is obviously continued during summer. Class li -specific changes in pool ... based on dry weight) differ significantly in the levels of starch, TP and F26BP, in that class II needles show a decrease in starch, compared to in- crease...
Ngày tải lên : 09/08/2014, 04:20
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