Báo cáo lâm nghiệp: "A digital photographic method for 3D reconstruction of standing tree shape" ppt

... study of the synusiae of small terrestrial mammals of pheasantries in southern Moravia is therefore aimed at monitoring the effect of specific properties of these habitats (high diversity of biotopes, ... supplementary food in the form of feeding for pheasants. Moreover, in the region of southern Moravia, pheasantries represent isolated areas of woo...

Ngày tải lên: 07/08/2014, 03:22

... parts: Research on individual parameters for cutting power of woodcutting process by circular saws J. K, M. M Department of Forest and Mobile Technology, Faculty of Environmental and ... mass of a work- piece by a cutting- wedge during the deformation of a mass in the surroundings of a cutting edge, – forces necessary for deflection of chips...

Ngày tải lên: 07/08/2014, 03:22

... 2/0045/08, and by the Slovak Research and Development Agency, Contract No. APVV-0102-06. Changes in air quality in different phases of forest management process in a sub-mountain beech ecosystem (West ... ecosystem (West Carpathian Mts.) D. K Institute of Forest Ecology, Slovak Academy of Sciences, Zvolen, Slovakia ABSTRACT: We studied ai...

Ngày tải lên: 07/08/2014, 03:22

... is again a theme of another research inclusive of determination of the elastic constant according to separate layers. Appropriate tests to determine parameters men- tioned above will be the ... density of plywoods significantly a ects the capacity of the material to dampen noise. To achieve good sound-proof properties materials of a density of 630 kg/m 3...

Ngày tải lên: 07/08/2014, 04:20

... of plywood is available. Plywoods differ in many factors. CONCLUSION e aim of the paper was to propose the method- ology of testing the abrasion resistance of combined water-proof plywood materials ... aim of the paper was to propose the methodology of testing the abrasion resistance of combined water-proof plywood materials with the phenol...

Ngày tải lên: 07/08/2014, 10:21

... be- tween the region of Jablunkov Pass and the rest of A survey of forest pollution with heavy metals in the Natural Forest Region (NFR) Moravskoslezské Beskydy with particular attention to Jablunkov ... detected in the area of the Jablunkov Pass in comparison with the remaining area of NFR. e spatial distinctness of...

Ngày tải lên: 07/08/2014, 10:21

Ngày tải lên: 07/08/2014, 16:20

... 1902. Measurement of standing tree shape by photographic method 635 Figure 4. 3D reconstruction of the 70-year-old Norway spruce tree. Figure 5. Photographic method estimates of the local slope ... position of the standing trees. The disadvantages of this method are that a minimum of three targets per log must be attached to the stem of standing trees, a...

Ngày tải lên: 07/08/2014, 16:21

... expected change in distribution of within-ring density for one sd increase in ring width is presented in Figure 3. 3.4. Differences among clones in within-ring density Fluctuations in growth rate and within-ring ... relative contribution of clone differences to the overall variation in shape of within-ring frequency distributions of wood density....

Ngày tải lên: 08/08/2014, 00:21

... with/without adjustment. 9 Ann. For. Sci. 63 (2006) 914 â INRA, EDP Sciences, 2006 DOI: 10.1051/forest:2005093 Original article A method for multiple intra-ring demarcation of coniferous trees Young-In ... http://www.edpsciences.org/forest or http://dx.doi.org/10.1051/forest:2005093 A method for multiple intra-ring demarcation 13 with increasing intra-ring positio...

Ngày tải lên: 08/08/2014, 00:22

... probability model for forest stands in Catalonia pre- sented in this study opens many possibilities to integrate the risk of fire into forest management planning and decision-making. The parameters included ... stand-level model for the probability of fire adequate for forest management planning in Catalonia. The model should use variables that are normall...

Ngày tải lên: 08/08/2014, 00:22

... 237 Ann. For. Sci. 60 (2003) 237245 â INRA, EDP Sciences, 2003 DOI: 10.1051/forest:2003015 Original article A height-diameter model for Pinus radiata D. Don in Galicia (Northwest Spain) Carlos ... The model of Tomé gave the best height estimates. Pinus radiata D. Don / forest modelling / Galicia / height-diameter relationship Résumé – Un modèle hauteur-dia...

Ngày tải lên: 08/08/2014, 01:21

... 10.1051/forest:2004030 Original article Decay resistance in Dicorynia guianensis Amsh.: analysis of inter-tree and intra-tree variability and relations with wood colour Nadine AMUSANT a *, Jacques ... Variability of durability and colour of Dicorynia guianensis 377 Figures 8 and 9 give respectively reflectance of Z1 (outer heartwood) and Z3 (...

Ngày tải lên: 08/08/2014, 01:21

... RESEARCH Open Access A standardized scoring method for the copy of cube test, developed to be suitable for use in psychiatric populations Konstantinos N Fountoulakis 1* , Melina Siamouli 2 , Stamatia ... Inventory. BMC Psychiatry 2003, 3:2. doi:10.1186/1744-859X-10-19 Cite this article as: Fountoulakis et al.: A standardized scoring method for the...

Ngày tải lên: 09/08/2014, 01:21

... attractive tool for overcoming inter- specific incompatibility in poplars. Sexual reproduction in Populus II. Information molecules of the pollen grain M. Gaget 1 M. Villar 2 C. ... semi-tected exine (Figs. 1 and 2). The presence of a great amount of osmiophilic components in the pollen coat is observed within the arcades of the...

Ngày tải lên: 09/08/2014, 04:20