... (2)Question Question • Put the verbs in the correct form.Put the verbs in the correct form. 1. 1. You will be able to (Jump)………… Very high on the You will be able to (Jump)………… Very high on the ... Ex: Take an umbrella with you, it might rain later Modal V V-inf Conditional type If-V (present simple) _ Main –V (future simple) Ex: If you work hard, you will pass the exam Conditional ... We can walk on the walls or on the ceiling 6 Ss’ answer (12)Choose the correct answer. Choose the correct answer. 1 if you ……… on the board now, you would 1 if you ……… on the board now,
Ngày tải lên: 18/04/2021, 06:24
... On plots with a higher content of HS, i.e. with higher acidity, its val- ues are at the level of 2–7% of CEC. At sites with lower sorption capacity and higher proportion of mineral fraction ... 2000) The proportion of humus fractions C-HS in Cox is comparable with the values of humification horizons H of intact profiles on control plots without fertilization The abilities ... –1 on untreated control plots (Table 9). ese values are high, showing an almost excessive level for the given site conditions without the effect of fertilization. Magnesium concentrations
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Regeneration and game damage in the Krušné hory Mts. assessed on the basis of National Forest Inventory of the Czech Republic" pps
... regeneration in the open space are taken from the database The regeneration in the open space corresponds better with the regeneration defined in this project When I take only the ... RESULTS AND DISCUSSION Krušné hory Mts. – regeneration Fig. 1 illustrates the distribution of regenera- tion on inventory plots in the territory concerned. Regeneration on only one subplot was sufficient ... where the possibilities of National Forest Inventory for the evaluation end, there comes the Inventory of Game Damage in the Smaller Territorial Units CONCLUSION Results
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Improving RBS estimates – effects of the auxiliary variable, stratification of the crown, and deletion of segments on the precision of estimate" pps
... certain stage or segment and the conditional (and concomitantly, on the unconditional) selection prob- ability of the segments of the paths. us, path length variability (number of segments of ... 1.5 Unconditional probability (Q r ) 1 Unconditional probability (Q r ) 1Unconditional probability (Q r ) 1 Fig. 5. Coefficient of variation (n = 1) of the estimates for different functions of the ... 1. us, on the one hand, these seg- ments are measured in any case; on the other hand, it changes the structure of the crown and the catego- rization of segments within the crown. Secondary
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Stability of the development of basic stand parameters of beech yield tables constructed on the basis of short-term observations on research plots" pptx
... generation. Based on his classification we can consider the 3 rd generation of yield tables, constructed on the basis of regression fitting of stand data from research plots by mathematical functions, ... growth of the stand on research plot is the same as the development of the respective yield curve, then the same site index will be determined with its repeated measurements. In the case of ... relatively high but it could be eliminated by their cur- rent verification on further repeated measurements of the same research plots on the basis of which they were constructed. A (1959)
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Effect of climatic factors on the dynamics of radial increments of Norway spruce, European beech and sessile oak" potx
... 293–302 effect of precipitation even on the height growth of trees. He did not confirm the effect of precipitation even in the combination with increased content of atmospheric nitrogen. e aim of ... trees and they have a seasonal character in our temperate climatic zone. Individual dispositions of tree, site and climatic conditions of each tree contribute to their forma- tion. Possible ... correlation coefficients are only 0.2–0.5. e inten- sity of their effect on increment change is not high either. All tree species react positively mainly to precipitation during the vegetation period.
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Survival and growth of outplanted seedlings of selected tree species on the High Tatra Mts. windthrow area after the first growing season" pps
... in bareroot plants of the other tree species with the exception of beech. e Ectovit application did not have any significant effect either on height increment or on the other assessed growth ... plantations of Norway spruce, Scots pine and European larch after the first growing season planted at different time and with the application of the fungal product Ectovit on the plot in the High ... Damage to plantations of European beech and sycamore maple after the first growing season planted at different time and with the application of the fungal product Ectovit on the plot in the High Tatra
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: " Influence of a planting hole application of dolomitic limestone powder and basalt grit on the growth of Carpathian birch (Betula carpatica W. et K.) and soil chemistry in the air-polluted Jizerské hory Mts." pptx
... hřeben – latitude 50°49´N, longitude 15°21´E, Northern Bohemia) at an altitude of 980 m The experimental plantation is located on a large clear-felled patch on the summit of the ridge The mean annual ... 2001) Reasons for these further hypotheses are based on the fact, that basalt grit did not raise the soil pH, however led to analogous plantation response as liming The increasing concentrations of ... Ca content in the 0–10 cm horizon The basalt grit also raised the Ca content, nevertheless, to a substantially less extent In the 10–20 cm layer, the results were analogous, though, the Ca contents
Ngày tải lên: 07/08/2014, 10:22
Báo cáo lâm nghiệp: "Effect of species composition, stand density and site index on the basal area increment of oak trees (Quercus sp.) in mixed stands with beech (Fagus sylvatica L.) in northern France" potx
... oak as on many other sites in northern France, but in the drier site conditions of cen- tral France (e.g., Forêt de Blois) oak dominates beech [22]. In addition, the percentage of the basal area ... the rather high random variation at period level (Tab. III) and the residual pattern mentioned above may partly be due to the exceptional weather conditions or fluctuations in productivity specific ... analysed. Furthermore, it was simply concluded that slope γ was lower in older stands growing on sites with low fertility. 6. CONCLUSIONS The model developed in this study, an adaptation of the French
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "Effects of the clear-cutting of a Douglas-fir plantation (Pseudotsuga menziesii F.) on the chemical composition of soil solutions and on the leaching of DOC and ions in drainage waters" pps
... the mineralization and nitrication rates where high before the clear-felling, was not veried On the contrary, concentration of the gravitational solutions dropped down in the ... clear on time variation : gravitational solutions showed a strong reduction in their concentration for a majority of elements. The example of Ca 2+ in ZTL solutions at 15 cm illustrated the time ... was made with very limited soil disturbances. Results showed that the concentration of weakly fixed solutions did not change but that the concentration of gravitational solutions of the upper
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "Effects of soil mechanical treatments combined with bramble and bracken control on the restoration of degraded understory in an ancient beech forest" pptx
... combination with mechanical or chemical control of the initial competitive understory vegetation, which definitely improved the results of the experiment; (2) results are highly dependent on the initial ... sylvatica) are the main species [30] Since the plantation work of the Austrian administration at the end of the 18th century, it is now composed of 74% beech (Fagus sylvatica) with only a few other woody ... legibility reasons, only the species having the best fit are represented The axes (1: horizontal; 2: vertical) are scaled in standard deviation units Eigenvalues of first and second axis were: site
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "Interactive effects of irradiance and water availability on the photosynthetic performance of Picea sitchensis seedlings: implications for seedling establishment under different management practices" ppt
... ces within leaves to the sites of carboxylation in the chloroplast (mesophyll conductance (G m )). However, the relative contri- bution of these diffusive path limitations to a combination of ... mitochondrial respiration and R d is mito- chondrial respiration in the light. The values for Γ* for Sitka spruce were taken from the literature [36] and the temperature dependent var- iations in Γ * were ... evapo-transpirational loss under these conditions. Observed differences in the light microclimate under exposed or shaded conditions were similar to those recorded in exposed conditions or under
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "Effect of contrasting water supply on the diameter growth of Norway spruce and aspen in mixed stands: a case study from the southern Russian taiga" pot
... according to their portion in the stand basal area. Within each species the sample trees were selected according to its tree basal area distri- bution [4]. In addition, one observation was done in ... and it was relatively independent on moisture conditions. The reasons of low spruce growth in 1999 are unclear. Probably it can be explained by influence of anomalous environmental conditions ... trees of the same diameter (Fig. 3). No any dependence of the DBH on the height was observed for aspen trees with DBH larger than 30 cm. 3.2. Weather conditions during seasons 1999–2002 The growing
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "Effects of artificial damage on the branching pattern of Nothofagus dombeyi (Nothofagaceae)" ppsx
... not affect the position of the most basal offspring shoot on each parent shoot (Tab. II). For experiments 1 and 3, the position of the most basal offspring shoot depended on the tree concerned. ... since none of the treatments applied here affected the position of the most proximal branches on shoots. On the other hand, some kinds of traumas acting on a parent shoot at specific periods of the ... N. dombeyi, the most distal branches at the beginning of their extension would exert only a minor effect on the size gradients of branches on a common parent shoot, in contrast with the results
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: " On the niche breadth of Fagus sylvatica: soil nutrient status in 50 Central European beech stands on a broad range of bedrock types" potx
... aluminium ion concentrations, and nitro- gen availability [14, 18]. In fact, vital mono-specific beech forests are found on highly acidic quartzitic soils and on basic carbonate-rich soils, and they ... solifluctuation. At least in their upper sections, all recent soil profiles are, therefore, not older than about 12 000 y. The northern part of the study region has been shaped by the deposits of the Saalian ... sandstone, limestone, claystone, sandy deposits, loess, and glacial deposits (Tab. I). The soils are mainly Umbrisols (on sands, sandstones, and glacial deposits), Cambisols (on claystones, lime-
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "Spatio-temporal pattern of bog pine (Pinus uncinata var. rotundata) at the interface with the Norway spruce (Picea abies) belt on the edge of a raised bog in the Jura Mountains, Switzerland" doc
... conditions unless the envi- ronmental conditions changed, i.e. the bog dried and the water table sank. 4.5. Primeval niche of bog pine and projection of pine stands into the future Despite the ... and decreased then on the whole transect, but it depended on pine location, being faster in response to wetter conditions at the bog centre. The lowest growth observed at 1920 and the later increases ... clear gradient, with the tallest trees on the driest side of the transect (Fig. 4). The isoline of 9 m runs approximately along the pine-spruce contact zone and along the main limit between undergrowth
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp: "Effects of a clear-cut on the in situ nitrogen mineralisation and the nitrogen cycle in a 67-year-old Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) plantation" potx
... in nitrification rate At the study site, a limited increase in N concentration in suction cup lysimeters placed at 15 and 30 cm depth, but a decrease in the N concentration in the gravitational ... differences between nitrification and ammonification (α = 0.05) Figure Deposition of mineral nitrogen to the soil in kg·ha–1·month–1 Figure Evolution of mineral nitrogen contents of the undisturbed ... explained by the suppression of the canopy which favoured the dry deposition of N due to the filtering capacity of the canopy of the mature stand [7] As dry deposition was not quantified on ground
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp: "The effect of excess nitrogen and of insect defoliation on the frost hardiness of bark tissue of adult oaks" pot
... from the stands and reflected the weather situation of the region. During both winters, the courses of the minimum tempera- tures were similar in the regions of the stands ... 95, 871-881 Nihlgård B (1985) The ammonium hypothesis - an additional explanation to the forest dieback in Europe substitution Ambio 14, 2-8 Parker J (1962) Seasonal changes in cold resistance ... of samples taken at the same time from trees subjected to similar climatic conditions. Since both the magnitudes and the courses of air temperatures measured at the meteorological
Ngày tải lên: 08/08/2014, 18:21
Báo cáo lâm nghiệp: "Effect of site quality and thinning management on the structure of holm oak forests in northeast Spain" pot
... In the holm oak forests of NE Spain, the variability of thinning intensity, together with the great heterogeneity of site quality, due to the rough topography of the ... forests Given the range of variation among these factors in the region, management probably has a larger importance in this heterogeneity Site quality either favors or limits forest ... developed on a bedrock of granite and metamorphic schists. The main vegetation type of the area corresponds to the montane holm-oak forest (Quercetum mediterraneo-montanum), with
Ngày tải lên: 08/08/2014, 18:21
Báo cáo lâm nghiệp: "Influence of marine salts on the localization and accumulation of surfactant in the needles of Pinus halepensis Mill" ppsx
... Inorganic salts increase the ionic strength of LABS solu- tion. Consequently, the addition of such electrolyte facilitates both adsorption and micellization at the liquid/air interface: ... cells. The fraction of LABS found in the distilled water wash may be the fraction of LABS associated with the leaf surface. Sorption of organic materials onto the leaf ... LABS pollu- tion in combination with sea water is more easily taken-up by the P halepensis Mill needles. In fact, similar conditions of the synergistic action of LABS and
Ngày tải lên: 08/08/2014, 18:21