Báo cáo lâm nghiệp: "Earthworm (Lumbricidae) assemblages of forest ecosystems in the anthropogenically disturbed area of the eastern Krušné hory Mts (Czech Republic)" pps

Báo cáo lâm nghiệp: "Earthworm (Lumbricidae) assemblages of forest ecosystems in the anthropogenically disturbed area of the eastern Krušné hory Mts. (Czech Republic)" pps

... preparation from the aspect of their revitalization in the 7th FAZ of the Krušné hory Mts. (2003). In: S M., N J. (eds): Results of Forest Research in the Krušné hory Mts. in 2002. Jíloviště-Strnady, ... the level of the mounds through the excavator-prepared areas through the areas of the spread mounds to the lowest level at the between-mound areas of the beech and spruce stands of the reserve. ... before. Based upon the ﬁndings, the range of species was expanded from 6 to 13 and the known earthworm fauna of the eastern Krušné hory Mts. also increased.For the area as a whole, the earthworm...

Báo cáo lâm nghiệp: "Earthworms (Lumbricidae) of an air-polluted area aﬀected by ameliorative liming" pdf

... cal-cium, the content of phosphorus and magnesium in- creases in the body of earthworms ( R 1977). CONCLUSION In the western part of the Krušné hory Mts. , the occurrence of ten species of earthworms ... forest ecosystems in the anthropogenically disturbed area of the eastern Ore Mountains. Journal of Forest Science (in press)N R., Š V., V L. (2006): Mid-term eﬀ ect of liming ... Comparisons of stands according to a dominant tree species show that in the area of Klášterec Forest District, deviations in the abun-dance of earthworms did not occur in stands with the predominance...

Báo cáo lâm nghiệp: "Rodent-caused damage to forest trees from the viewpoint of forestry practice" potx

... according to the foresters. However, this opinion concerning the signiﬁcance of the individual species is in contradic-tion with the information the foresters provided on the distribution of ... dynamics of rodents in forest environment, their feeding behaviour and the damage they cause. At the beginning of the research, we conducted a survey among foresters in the form of a questionnaire ... 1992).Signiﬁcant diﬀerences in the intensity of damage to trees at clearings were found in dependence on the structure of the herbaceous cover. According to foresters, the clearings free of ground vegetation...

Báo cáo lâm nghiệp: "Radial-growth and wood anatomical changes in Abies alba infected by Melampsorella caryophyllacearum: a dendroecological assessment of fungal damage" ppt

... symptomatic treeshowing axial traumatic resin ducts in the earlywood (EW) of the 1984 tree ring justafter the end of the latewood (LW) of the 1983 tree-ring. (D) Discontinuous growthincrements and ... [8]. Nine sam-pling points, 15.2 m apart, were marked along two intersectingtransects (5 points on one transect and 4 points on the other) in each of the 3 plots (Fig. 2). The following data ... 18 75 ± 9 78 ± 8Figure 2. Intensive sampling scheme showing the location of the ninesample points along the two intersecting transects in a plot.Effects of fungal infection on fir growth 297than...

Báo cáo lâm nghiệp:"Growth, damage and net nitrogen uptake in Picea abies (L.) Karst. seedlings, effects of site preparation and fertilisation" pptx

... the most serious damage in the experiment.There was great damage in the winter between the first and the second growing seasons. Protection of the seedlings during the second and third growing ... fertilising –,but no accumulation of nitrogen was detected in the other twotreatments. High levels of nitrate were found in the lower part of the profile in CDSC in the autumn 1998 but not in the ... the top of the soilprofile, and since the soil organic matter in the CDSC is buried in the soil, the activity of decomposers will probably continueat higher rates for a longer time in the autumn...

Báo cáo lâm nghiệp: "Argan (Argania spinosa (L.) Skeels) seed germination under nursery conditions: Effect of cold storage, gibberellic acid and mother-tree genotype" docx

... for the purpose of establishing a simple germination procedure adaptable to variousnursery situations. The beginning of germination of argan seeds which, were stored at room temperature in the ... germination avoiding long exposure of the seeds to contamination. This probably has to do with the fra-gility of the argan nut contained within the slightly crackedstone and weighing less 5 g in average ... effect of GA and cold in the case of argan seedgermination. From the results of this study, dormancy can bebroken using GA or cold storage, but the presence of GAappears to speed up germination...

Báo cáo lâm nghiệp: "Hybridization techniques and frost tolerance studies in intraspecific hybrids of Eucalyptus globulus Labil" pdf

... rate of germination andseedling survival, and the self-pollinatedlot was clearly the worst. This trend wasalso found in subsequent growth in the field.Frost toleranceThese ... hardeninghad no effect on frost resistance in the crosses used (Table II). Cold treatmentreduced the increase in height after 4 wk in all families by causing damage to the shoot ... occurs 8-12days after anthesis, when a stigmaticexudate is visible as a drop of fluid. The cross-pollinated seed lot was clear-ly the best for the variables: seed produc-tion/capsule,...

Báo cáo lâm nghiệp: "doubling atmospheric CO concentration on 2 matter distribution and CO exchange of 2 yr growth, dry 2 old sweet chestnut trees (Castanea sativa Mill.)" pptx

... After the end of July, 62% of the enriched plants ceased growth ascompared with 37% of the controls. The early onset of yellowing and the stopped terminal bud growth indicatesearlier ... senescence of the C02-enrichedplants. The final leaf area per plant, at the end of the growth period, was reduced byC02 enrichment. The pattern of growththrough the vegetative ... resulted from the timing of the nutrient application. The accumulation of the carbon surplus wasrestricted to the root system.These changes could have far reachingecological...

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

... that the con-tribution of condensed fog water to the amount of bulk precipitation was about 9% in a catchment in the Šumava Mts. in the course of 1994–2000. S- (2006) found that 22% of ... J.C.H., V E.M. (2001): Intensive Monitoring of Forest Ecosystems in Europe. [Technical Report.] Brussel, Geneva, UN/ECE and EC, Forest Inten-sive Monitoring Coordinating Institute: 177.D ... one collector installed in the nearby open area. Samples were taken once a month in the winter season and in 14-day inter-vals in other seasons.  e samples were transferred to the laboratory...

Báo cáo lâm nghiệp: "Air pollution load and stand nutrition in the Forest District Jablunkov, part Nýdek" docx

... within the area of interest.e nutrient content in the soil was determined in the upper humus layer (FH) and in the mineral soil (B) to a depth of 30 cm. A part of the samples was taken by the ... just as in the case of phosphorus, there is a potential to increase it by weathering or by changes in chemical valence in the case of pH change.e nutrition of the spruce stands in the investi-gated ... stress. After the pollutant concentrations in the air decreased, the main factor aﬀecting the forest stands is the state of forest soils which shows the insuﬃciency of the main nutrients available,...

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