Báo cáo lâm nghiệp: "Assessment of tension wood detection based on shiny appearance for three poplar cultivars Miguel Angel BADIA, Frédéric MOTHE, Thiéry " pot
Báo cáo lâm nghiệp: "Assessment of tension wood detection based on shiny appearance for three poplar cultivars Miguel Angel BADIA, Frédéric MOTHE, Thiéry " pot
... 2005 DOI: 10.1051/forest:2004093 Original article Assessment of tension wood detection based on shiny appearance for three poplar cultivars Miguel Angel BADIA, Frédéric MOTHE, Thiéry CONSTANT*, Gérard ... macroscopic detection of small areas. tension wood / poplar / macroscopic detection / microscopic measurement / image analysis / wood anatom...
Ngày tải lên: 08/08/2014, 00:21
Báo cáo lâm nghiệp: "Assessment of some forest characteristics employing ikonos satellite data" docx
... evaluation, appear spectral vegetation indices for both applications. ese are sensitive indicators of on- the-scene” presence and condition of vegeta- tion, mainly slope -based vegetation indices, ... trifidus (e 2 = 0.43). For a better explanation of texture contribution to classification accuracy classification results of classi- fication C (classification without texture uti...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Assessment of the assortment potential of the growing stock – a photogrammetry based approach for an automatized grading of sample trees" potx
... for reasons of stem visibility. 4. CONCLUSIONS AND PERSPECTIVES The photo-documentation of sample trees can be used for the calculation of stem dimensions and for the interpretation of stem surface ... are often based on a non-market ori- ented visual quality assessment or referred to quality classes based on general grading rules for round wood (e.g. [14]). Be- side...
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp:"Influence of basic density and temperature on mechanical properties perpendicular to grain of ten wood tropical species" pot
... measure softening temperature on graphs. The curves of criterion in function of temperature were Figure 6. Evolution of the twelve mechanical criteria in function of temperature for one wood species ... cross represents one value of the three repetitions. Figure 7. Illustration of the model of evolution of one criterion respect to temperature. Mechanical properties of...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp:"Predicting of oak wood properties using X-ray inspection: representation, homogenisation and localisation. Part II: Computation of macroscopic properties and microscopic stress fields" pdf
... constrained along one direction (drying configuration). 2. HOMOGENISATION Homogenisation is one of the formulations that allows the prediction of the macroscopic properties from the microscopic description ... configuration), whereas the second assumes that the macroscopic displacement is constrained along one direction (drying configuration). wood / homogenisation / modelling / numeric...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp: " Influence of repeated defoliations by insects on wood increment in common oak (Quercus robur L)" pps
... therefore used the former one alone to describe annual wood increment. Short note Influence of repeated defoliations by insects on wood increment in common oak (Quercus robur ... search for potential correlations between annual increment and degree of defoli- ation was restricted to years with defoliation rates above 35% and devoid of addit...
Ngày tải lên: 08/08/2014, 18:21
Báo cáo lâm nghiệp: "Assessment of the effects of below-zero temperatures on photosynthesis and chlorophyll a fluorescence in leaf discs of Eucalyptus globulu" pps
... as reliable screening tests for the detection of low temperature effects on leaves of E. globulus. References Baker N.R., East T.M. & Long S.P. (1983) Chil- ling damage ... functioning of thyla- koids in vivo. J. Cxp. Bot. 34, 189-197 Lichtenthaler H.K. & Rinderle U. (1988) The role of chlorophyll fluorescence in the detection of...
Ngày tải lên: 09/08/2014, 04:20
Báo cáo lâm nghiệp: " Assessment of the contributions of glycolysis and the pentose phosphate pathway to glucose respiration in ectomycorrhizas and non-mycorrhizal roots of spruce (Picea abies L. Karsten)" docx
... degradation for respiration and for energy and reducing power production and 2) conversion of plant carbohydrates into fungal biomass. The high respiration rate of fungal ... 69, 569-581 Vignon C., Plassard C., Mousain D. & Salsac L. (1986) Assay of fungal chitin and estimation of mycorrhizal infection. PhysioL V6g. 24, 201-207 Assessment...
Ngày tải lên: 09/08/2014, 04:20
Báo cáo lâm nghiệp: "Effect of gibberellic acid and ethephon on the germination of European beech dormant and chilled beechnuts" pptx
... (19) 400–550 77 71 267.8 9.0 *Based on four replicates of 100 seeds each; * *Based on two replicates of 10 g of seeds each; ** *Based on eight replicates of 100 seeds each J. FOR. SCI., 56, 2010 (9): ... 4; Fig. 2). We found no apparent effect of different concen- trations of ethephon or GA 3 on germination ca- pacity. e only exception was the application of 1,000...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: " Consequences of increased deer browsing winter on silver fir and spruce regeneration in the Southern Vosges mountains: Implications for forest management" potx
... Browsing medium + high. (1) Comparison of the distribution of the three types of fir regenera- tion with the rest of the regeneration. (2) Comparison of the distribution of the two Bl types with the ... population limitation and alteration in distributions of elk following the rein- troduction of wolves into Yellowstone National Park, US, Oral communication, International Co...
Ngày tải lên: 08/08/2014, 00:21