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Báo cáo lâm nghiệp: "Plant community variability within potential natural vegetation units: a case study from the Bohemian Karst" docx

Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Plant community variability within potential natural vegetation units: a case study from the Bohemian Karst" docx

... SP/2d2/138/08.Plant community variability within potential natural vegetation units: a case study from the Bohemian KarstP. Š, K. P, P. USilva Tarouca Research Institute for Landscape and Ornamental ... similarly broad distribution.DISCUSSIONActual vegetation based on the map of potential natural vegetation The stratification of this locality according to units from the PNV map only partly ... Great Britain. Bulletin 124. Edinburgh, Forestry Commission: 74.RICOTTA C., CARRANZA M.L., AVENA G., BLASI C., 2002. Are potential natural vegetation maps meaningful alternative to natural...
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Báo cáo lâm nghiệp: "Addressing spatial variability in provenance experiments exemplified in two trials with black spruc" pps

... right), the resulting vari-Table 2. Covariance parameters estimates along with standard errors, and the Pr Z value (one- or two-tailed area of the standard Gaussian density outside of the Z-value) ... with the traditional analysis of variance (ANOVA). e last decade of the 20th century saw major improvements in the options available for the analysis of field trials. Experience with many analyses ... local Norway spruce provenances (48 and above) acting as the comparative standards. Evaluation of most of these trials was carried out in late April 2005 at the age of 13. Height, breast-height...
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Báo cáo lâm nghiệp: "Assimilation apparatus variability of beech transplants grown in variable light conditions of blue spruce shelter O. Špulák" ppsx

... 2004).Table 2. Leaf area parameters, the average height of beech trees and the leaf area/height ratioLocationMean leaf (cm2)Mean total leaf area (cm2)Mean height (cm)Leaf area/height ratioCrownmean ... clearcut and lowest in the understory. is also corresponds to the ratio of the leaf area to the beech tree height in the case of the under-crown and in-gap variants (Table 2).e average leaf ... individuals with the strategy of short shoots disturb the above characterised trend.Chemical analysis of the beech assimilation ap-paratus showed a statistically significant trend of decreasing...
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Báo cáo lâm nghiệp: "Patterns of longitudinal within-tree variation in pulpwood and solidwood traits differ among Eucalyptus globulus genotypes" pot

... measured as the angle formed between one half of the cut (i.e. radial) surface of each half-disc and a flat surface, againstwhich the other half of the cut surface was held. The half-discs werethen ... Accordingly,separate analyses were undertaken on data from each height category within sampling category.Trait least square means and 95% confidence intervals were esti-mated at the mean percentage disc ... see Apiolaza et al. [1] and Mac-Donald et al. [18]). The trial was divided into two areas approxi-mately 150 m apart containing two and three replicates respectively.This study was undertaken...
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Báo cáo lâm nghiệp:"Inter-regional variability in site index models for even-aged stands of stone pine (Pinus pinea L.) in Spain" potx

... Plateau(Meseta Norte), Central Range (Sistema Central), WestAndalusia (Andaluc a Occidental) and Catalonia (Catalu a) .This will allow us to analyse the inter-regional variability indominant ... fit the model to the total dataset, while in C group, we will fit the model to the combined data from Central Range, Northern Plateau and Catalonia, and make anindependent fit to the data from ... b3West Andalusia, Northern Plateau, CataloniaE b1 = b3 = b4 ¹ b2West Andalusia, Central Range, CataloniaF b1 = b2 = b3 ¹ b4West Andalusia, Central Range, Northern PlateauG...
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Báo cáo lâm nghiệp: "Occurrence of Ips duplicatus (Coleoptera: Curculionidae, Scolytinae) on pines (Pinus sp.) in the Czech Republic and southern Poland – Short Communication" pdf

... Poland (Kartuzy Forest District), in the newest outbreak area of I. duplicatus on Norway spruce (M. Szydlarski, personal communication). These infestations vary in time and place, but they are ... (Coleoptera: Scolytidae) na území Polska. Zpravodaj ochrany lesa, 5: 13–15.GRODZKI W., 2003. Zasięg występowania kornika zrosłozębnego Ips duplicatus C. R. Sahlb. (Col.: Scolyti-dae) w obszarach ... occurrence has been confirmed almost in the whole territory of the Czech Republic up to 600 m a. s.l., rarely at a higher altitude. Its focus as well as its outbreak is located in northern Moravia and...
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Báo cáo lâm nghiệp: "Chemical thinning in blue spruce (Picea pungens Engelm.) stands and its effects on cambioxylophagous fauna" docx

... marks (or imagos and larvae) after barking the stem and branches, continuously in one-metre sections along the whole of the stem and branches. Developmental stage (larva, pupa, imago, abandoned ... degree of the assimilatory apparatus defolia-tion was classified as:– only in the last needle age class (I),– only in the last and in the last but one needle age class (I+II),– in the last three ... A part of abandoned feeding marks contained re-maining overwintering beetles. P. chalcographus also showed a partial mortality of larvae both on the stems and on the branches. Although imagos...
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Báo cáo lâm nghiệp: " Growth of wild cherry (Prunus avium L.) in a mixture with other species in a demonstration forest" ppsx

... recommended for these stands are not very common and/or very general ones and therefore the detailed analysis of its growing capacity and required crown space was done.Our data suggests that the wild ... species was found. e stand 3 9A5 is located at 49°57'28''N latitude and 14°49'20''E longitude. e total number of 16 circular sample plots was chosen, systematically ... oblastiach Slovenska. Acta Facultatis Forestalis Zvolen, 39: 21–31.ŠKVARENINOVÁ J., ŠKVARENINA J., 2005. Bioklimatická charakteristika vybraných pestovateľských lokalít čerešne vtáčej (Cerasus...
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Báo cáo lâm nghiệp: "Analysis of snow accumulation and snow melting in a young mountain spruce and beech stand in the Orlické hory Mts., Czech Republic" pptx

... cover the winter season 2005/2006 was markedly above-average. On the contrary, the winter season 2006/2007 was mark-edly subnormal. Thus, the last evaluated winter 2007/2008 can be characterized ... than the open area and that they par-ticipated effectively in the prolongation of the period of spring runoff.In the Orlické hory Mts. at the Deštné field re-search station, the accumulation and ... Zusammenfassungen: 110–112.KUBIN E., POIKOLAINEN J., 1982. Hakkaamattoman metsän sekä eri tavoin muokatun avohakkuualan routa- ja lumisuhteista. Folia Forestalia (Helsinki), No. 518: 24.MAYER...
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Báo cáo lâm nghiệp: "Harvest scheduling with spatial aggregation for two and three strip cut system under shelterwood management" docx

... Republic3Department of Mathematical Analysis and Statistical Inference, The Institute of Statistical Mathematics, Tachikawa, Tokyo, JapanABSTRACT: We propose a spatial aggregation method to solve an ... 273Using the formulation above, we can allocate treatments over space without harvesting adjacent stands in the same period.Demonstrative case study We present an empirical example of the spatial ... spatially-re-lated units. For example, natural disturbances such as windthrow, fire, or insect infestation involve spatial dynamics that can spread a damage-causing factor over space and time....
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