Báo cáo lâm nghiệp: "Arginine and the shade tolerance of white spruce saplings entering winter dormancy" ppsx

Báo cáo lâm nghiệp: "Changes in the mycorrhizal status of some mountain spruce forests" potx

... 82–88 in Růžová hora the average decrease was 0.70 g, in Sněžka 0.81 g (Fig. 5).Changes in the parameters within the years 2004–2006Data on mycorrhizal status of roots obtained from spring ... approximately in the same distance (about 1 m) from the stem of ﬁve selected trees. e cylinder of the soil probe used for this purpose had the inner diameter of 6 cm and the height (depth of space ... indicate the stabilized mycorrhizal state. Positive changes in the total increase of macromycetes diversity as well as the apparent increase of percentage of macromyce-tes can be seen in the studied...

Báo cáo lâm nghiệp: "Multivariate statistical approach to comparison of the nutrient status of Norway spruce (Picea abies [L.] Karst.) and top-soil properties in differently managed forest stands" potx

... 526/03/H036.Multivariate statistical approach to comparison of the nutrient status of Norway spruce (Picea abies [L.] Karst.) and top-soil properties in diﬀerently managed forest standsP. S1, ... 1992). Norway spruce (Picea abies [L.] Karst.) is the main ediﬁcator and stand-forming tree species in mountain spruces stands of Central Europe. e timberline is running quite near the Praděd ... analysis of variance (MANOVA) was applied. CLU and MANOVA were used to evaluate the close-ness of the nutrient status of the spruce stands and to assess the closeness of chemical properties of the...

Báo cáo lâm nghiệp: "Can 13C stable isotope record of Norway spruce tree rings display the effect of environmental conditions" pot

... activity in the past can be recorded from the fluctuation of the carbon stable isotope ratio in tree rings and assigned to the exact year or time period (G, C 1994). Norway spruce (Picea ... was performed using the 13C stable isotope record from three trees only. e main objective of our study was to enlarge the data set and to validate the finding that the tree physiolog-ical ... soil acidification after the decline of atmospheric depo-sition, which can result in the growth depression of trees. Growth depression of Norway spruce was detected in the Bavarian Forest (W,...

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

... possibilities of National Forest Inventory for the evaluation end, there comes the Inventory of Game Damage in the Smaller Territo-rial Units.CONCLUSIONResults from National Forests Inventory ... during repeated investigation in comparison with the rest of the investigated territory. In the course of ﬁve years, in relation to the original points and on the basis of a new investigation, ... 285etc., and their combination, which means that the category of game damage is the sum of damage types investigated during National Forests Inventory ac-cording to its methodology. In the investigated...

Báo cáo lâm nghiệp: "Structure and development of forest stands on permanent research plots in the Krkonoše Mts" pdf

... dynamics of beech, mixed (ﬁ r beech and spruce beech stands) and spruce stands, relict pine woods and stands in the ecotone of the upper forest limit in diﬀ erent site, stand, air-pollution and ... ability in higher elevations and tolerates conditions in the ecotone of the up-per forest limit, although its optimal growth and production is reached in the conditions of the 5th and 6th forest ... whole stand formed exclusively by spruce. CONCLUSIONS e presented research on structure and develop-ment of forest stands in national parks of Krkonoše Mts. describes the stand of forest...

Báo cáo lâm nghiệp: "Sulphur and nitrogen concentrations and ﬂuxes in bulk precipitation and throughfall in the mountain and highland spruce stands in the Czech Republic" docx

... concentrations and ﬂ uxes in bulk precipitation and throughfall in the mountain and highland spruce stands in the Czech RepublicI. D, L. M, J. K, I. MInstitute of Forest ... radiation and to hold the funnels approximately 1 m above the ground.  ere were 7 collectors randomly dis-tributed at the mountain spruce stand and 5 at the highland spruce stand. During the winter ... given in Table 1. Bulk precipitation and throughfall sampling were carried out at both sites during 2006–2008. For sampling throughfall in the spruce stand and atmospheric precipitation on the...

Báo cáo lâm nghiệp: "reproductive and morphometric characteristics of wild boar (Sus scrofa) in the Czech republic" pot

... (without the ending and often extended hairs), metatarsal length (LTp) from the calcaneal joint to the tip of the hoof, ear length (LA) from the root of the ear to the tip, and height at the withers ... as the distance from the tip of the fore leg to the highest point at the withers. Weight was deter-mined according to circumstances: (i) the whole undressed individual, (ii) the weight of ... a dressed in- dividual including head and legs, or (iii) the weight of a dressed individual without head and legs. Age was determined in all animals. In indi-viduals up to the age of 2 years,...

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

... 349JOURNAL OF FOREST SCIENCE, 57, 2011 (8): 349–358 Survival and growth of outplanted seedlings of selected tree species on the High Tatra Mts. windthrow area after the first growing seasonI. R1, ... effect of planting time and application of the fungal product Ectovit on growth characteristics of seedlings at planting time and after the first growing season on the research plot in the High Tatra ... reforestation; outplanting time; fungal inoculation; bareroot seedlings; containerized seedlings Southern foothills of the High Tatra Mts. with almost 2.5 million m3 of fallen wood on the area of...

Báo cáo lâm nghiệp: "Arginine and the shade tolerance of white spruce saplings entering winter dormancy" ppsx

... METHODSFour-year-old white spruce saplings were grown from seed obtained from a tree breeding seed bank at the Petawawa Forest Experiment Station, Chalk Arginine and the shade tolerance of white spruce saplings ... Size parameters and the responses of free amino acid N and guanidino compounds in the soluble N pool of stem and buds of four-year-old white spruce saplings exposed to natural light and shading ... insects, and frost da-mage. During the breaking of dormancy in spring, the removal of inhibitory guanidino compounds provides sources of N for the renewed synthesis of arginine. Arginine N and...

Báo cáo lâm nghiệp: "Nutrients in the aboveground biomass of substitute tree species stand with respect to thinning – blue spruce (Picea pungens Engelm.)" doc

... content in the biomass on the thinned plot represented 8 9–9 2% of the values calculated for the control plot without thinning. On the basis of presented research, which was done within the blue spruce ... years, the investigated substitute blue spruce stand accumulated: N – 336 kg, P – 28 kg, K – 138 kg, Ca – 159 kg, Mg – 28 kg per hectare. Thinning with the consequent removal of aboveground biomass ... 6%.At the age of 22 years, the investigated substitute blue spruce stand without thinning accumulated: N – 336 kg, P – 28 kg, K – 138 kg, Ca – 159 kg, Mg Table 1. Development of aboveground biomass...

Báo cáo lâm nghiệp: "rowth and health state of silver fir (Abies alba Mill.) in the ridge area of the Jizerské hory Mts" docx

... granite.Supported by the Ministry of Agriculture of the Czech Republic, Project No. MZe 0002070201.Growth and health state of silver fir (Abies alba Mill.) in the ridge area of the Jizerské hory Mts.V. ... dynamics of the height growth of the silver fir experimental plantings was evaluated on the basis of the results of the measurements of all trees liv-ing in 2007, and of the highest trees in 2007 ... K).CONCLUSIONSBased on the results of the investigations into the development of the silver fir plantations and the dy-namics, of some climatic factors, these conclusions are drawn: In the model area of the Middle...

Báo cáo lâm nghiệp: "Quantity and distribution of fine root biomass in the intermediate stage of beech virgin forest Badínsky prales" potx

... horizons rather by the reduction of the finest root length than by the reduction of root tips density.CONCLUSIONS The research of fine roots in the intermediate stage of a beech virgin forest ... cells with the dominant function of water and minerals supply. e ratio between the fine root length and the number of root tips is an indicator of the intensity of the fine root forking.A direct ... length. With the increasing value of the fine root length the number of root tips increases as well. Therefore the highest frequency of root tips was recorded in the uppermost mineral soil...

Báo cáo lâm nghiệp: "Relationships between the parameters of aboveground parts and the parameters of root plates in Norway spruce with respect to soil drainage" docx

... correlation between the aboveground parameters and the depth of root plates in spruce trees growing both in waterlogged and in well-drained sites. According to our results, it seems that the roots of ... 353JOURNAL OF FOREST SCIENCE, 56, 2010 (8): 353–360Relationships between the parameters of aboveground parts and the parameters of root plates in Norway spruce with respect to soil drainageP. ... e-mail: stofko@neulogy.euness of root plates in Norway spruce trees, and it is probable that there does not exist any relationship between the aboveground parts and the rooting depth in adult spruce...

Báo cáo lâm nghiệp: " Sicily represents the Italian reservoir of chloroplast DNA diversity of Quercus ilex L. (Fagaceae)" pptx

... Sciences, 2005DOI: 10.1051/forest:2004085Original article Sicily represents the Italian reservoir of chloroplast DNA diversity of Quercus ilex L. (Fagaceae)Silvia FINESCHIa*, Salvatore COZZOLINOb, ... occurs only in Sicily and particularly in the south-eastern part of the island, close to the Etna region. Haplotype 6 characterises the south-western part of Sicily, including the island of Pantelleria. ... frequency of cpDNA haplotypes within Q. ilex populations and phylogenetic reconstruction of the relationshipsamong haplotypes using statistical parsimony. Size of the pies indicates the number of individuals...

Báo cáo lâm nghiệp: "Seasonal variations in photosynthetic activity of spruces as determined by chlorophyll fluorescence" ppsx

... were higher in winter (values of 0.55-0.68) than at the time of highest pho- Seasonal variations in photosynthetic activity of spruces as determined by chlorophyll fluorescenceH.K. ... Lichtenthalerand Rinderle, 1988) permits a fast screen-ing of seasonal and short-term variations tosynthetic activity, e.g., in springtime(values of 0.35-0.45).The ratio of the chlorophyll ... chlorophyll content increasedagain. This increase was particularlystrong in the 1987 needles, which in the1st yr still had a very low chlorophyll content. In the case...

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