Báo cáo lâm nghiệp: "Some methodological aspects of the National Forest Inventory and Monitoring in Slovakia" pptx

... main tree species, the input data being the tree diameter and height, quality of the bottom third of the stem (A, B, C), stem damage (yes, no), and in the case of the beech also the age and ... for assessing the forest state – survey of natural conditions and forest ecology, detection of forest stands condition for forest management needs, and...

Ngày tải lên: 07/08/2014, 04:20

... Management in Mountain Regions in Cracow (FRI DFMMR), there are more than one thousand specimens of the genus Cephalcia, caught since the beginning of the eighties, mainly during periods of mass ... occurrence in those times in Beskid Śląski and Mały, within the Forest Inspectorates Szczyrk and Wapienica. During the following years, the occur- rence of C...

Ngày tải lên: 07/08/2014, 03:22

Ngày tải lên: 07/08/2014, 03:22

... almost the whole area of the West- ern Beskidy region. Along with the increase of the size of salvage cuttings (including the removal of in- fested trees) the area of stands affected by the forest ... conditions. MATERIAL AND METHODS e assessment of the intensity and dynamics of the dying of stands was carried out on the basis of the data coll...

Ngày tải lên: 07/08/2014, 03:22

... verify the further development, the analysis of the root samples will be repeated in the next years. CONCLUSIONS e results of the investigation of the intensively grown planting stock of the ... exploiting the intensive growth environment of nursery operations (J 2000). In the system of testing the biological safety of containers for the contai...

Ngày tải lên: 07/08/2014, 04:20

... to obtain in 2003 the same diversity than in the uncut area, and evenness has been the same as in the uncut area since 2000, showing the increasing dominance of the chestnut. 3.2. Species richness in ... experiment of the Office National des Forêts designed for other objectives. That explains some of the unsatisfactory aspects of the design such as th...

Ngày tải lên: 08/08/2014, 00:22

... increases from the humid sites in the west, towards the xeric sites in the east [22]. In the past, fire frequency increased in the majority of cypress stands after 1850, coincidentally with an increase in number ... in number of indigenous people that inhabited the region and the beginning of European settlement. This frequency peaked at the end of the...

Ngày tải lên: 08/08/2014, 00:22

... residuals of the Gompertz model in dotted line (shown as vertical segments), as a functional norm of the difference between the curve in solid line and the curve in dashed line (the surface of the ... β 5 TR)]} –1 with P: probability of recruitment, PRES: binary variable indicating the presence (1) or absence (0) of the species in the stand, BA: basal a...

Ngày tải lên: 08/08/2014, 00:22

... collected at the beginning of the main swarming period of the first generation, in late May and early June 1996, from three regions in France: Vosges, Alps and Massif Central (Fig. 1 and Tab. I). ... extraction of each individual. The logs had fallen during the previous winter and the beetles had just started to build galleries in them. The construction of...

Ngày tải lên: 08/08/2014, 01:22

... Ω(X, Y ) the set, up to isomorphism, of all dihedral f-tilings of S 2 whose prototiles are X and Y . The classification of all spherical folding tilings by rhombi and triangles was obtained in 2005 ... notation. • M and N are, respectively, the number of triangles congruent to T 1 and the number of triangles congruent to T 2 used in such dihedral f-tilings; • G(τ)...

Ngày tải lên: 07/08/2014, 21:20