Báo cáo lâm nghiệp: "An approach for the analysis of vegetation spectra using non-linear mixed modeling of truncated power spectra" pdf
Báo cáo lâm nghiệp: "An approach for the analysis of vegetation spectra using non-linear mixed modeling of truncated power spectra" pdf
... to the spec- tral variance is denoted by TT. 2.3. Non-linear mixed model of power spectra Visual inspections of truncated power spectra suggested the following non-linear relationship between the ... with the relative ease of modeling the trends in a power spectrum within a well-known statistical framework is perhaps the best feature of the proposed...
Ngày tải lên: 08/08/2014, 01:22
Báo cáo lâm nghiệp:" How to relate the standing tree shape to internal wood characteristics: Proposal of an experimental method applied to poplar trees" pptx
... to the method described in Section 2.4.3. Using these geometric data, we computed the pith location, the centre of gravity of the disc [13] and the centre of gravity of the tension wood area. The ... In the example given, and to illustrate the method, the char- acterisation of the disc included the annual ring limits, the outline of the bark, the ex...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp: "An economic aspect of conversion of Scots pine (Pinus sylvestris L.) stands in the Polish Lowland" docx
... aim of the analysis has been to find an optimal date of conversion beginning. e date of conversion beginning has been fixed on the basis of the relation of the value of wood increment from the ... was obtained from the Regional Directorate of the State Forests in Poznań and derive from the Informatics System of the State Forests. In business practice th...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: " An estimation of willingness to pay for asparagus (Asparagus racemosus Willd.) collectors in Makawanpur District, Nepal" ppsx
... of the Makawanpur district is forest, which includes 6.2% of the RCNP. Another 93.8% of the RCNP lies in three other districts (Chitwan, Nawalparasi and Parsa districts). Roughly 70% of the ... final set- ting. Before formulating the exact wording of the question, two meetings of collectors were organized in February 2002; one for the Tamang caste and another...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "New insights in the recognition of the European ash species Fraxinus excelsior L. and Fraxinus angustifolia Vahl as useful tools for forest management" pdf
... zones of sympatry (codes are listed in Tab. II). Crosses are plotted at the coordinates of the four phenotypes in the first two dimension of the SCA (the first number in the brackets represent the ... 16.32% of the observed variation (Fig 1). The populations from the zone of sympatry were distributed between the two groups, and the population of St-Dyé (S5) wa...
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "An improved micropropagation protocol for stone pine (Pinus pinea L.)" potx
... presence of BA showed the formation of nodular primordia on the entire surface of cotyle- dons in contact with the medium, although shoot organogen- esis was higher on the basal segment of the cotyledons ... adventitious shoots on the cotyledons required the presence of cytokinin in the culture medium. Except for iPR and RZ, the other assayed cytokinins induced b...
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "An integrated analysis of 33 Eucalyptus trials linking the onset of competition-induced tree growth suppression with management, physiographic and climatic factors" pptx
... which some form of vegetation control was necessary. The regular measurement of the trees in these trials (every two to four weeks) allowed for plotting of the two growth curves from which the initial ... burning) and the interaction between these two factors were significantly related to the timing of tree growth suppression. Regardless of the method of site prep...
Ngày tải lên: 07/08/2014, 16:21
Báo cáo lâm nghiệp:"An examination of the interaction between climate, soil and leaf area index in a Quercus ilex ecosystem" ppt
... a function of the retention properties of the soil and of the rooting depth of the vegetation. The range of LAI obtained with varying water availability is in agree- ment with data of Damesin ... allows the treatment of non-linear- ities. We therefore recommend the use of such a model to describe the equilibrium between leaf area and environment. In the ca...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp: "Ecological conditions influencing the localization of egg-laying by females of the cockchafer (Melolontha hippocastani F.)" pps
... relation between the extent of the damage and the individual characteristics of the experimental plots. e relation between the extent of the damage and the method of estab- lishment of the stands ... of the sample plots were sources of maturation feeding of the beetles and a place where they gathered. It is a factor, which contributes to the selection...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "A pheasantry as the habitat of small terrestrial mammals (Rodentia, Insectivora) in southern Moravia (Czech Republic)" doc
... – form of feed) on the diversity of the community of small terrestrial mammals and on the abundance and viability of their populations. Area of study Two pheasantries were selected for the ... terrestrial mammals of pheasantries in southern Moravia is therefore aimed at monitoring the effect of specific properties of these habitats (high diversity of biotopes,...
Ngày tải lên: 07/08/2014, 03:22