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
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
... 349 JOURNAL 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 season I. R 1 , ... effect of planting time and application of the fungal product Ectovit on growth characteristics of seedlings at planting time and a...
Ngày tải lên: 07/08/2014, 10:21
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 of coniferous tree species is represented by 68% and of deciduous tree species by 32%. Regeneration of coniferous tree species in the open space is 62.2% and of deciduous tree species ... 2004). RESULTS AND DISCUSSION Krušné hory Mts. – regeneration Fig. 1 illustrates the distribution of regenera- tion on inventory plots in the territor...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Structure and development of forest stands on permanent research plots in the Krkonoše Mts" pdf
... three-storeyed stand with partial selection structure. Number of tree regeneration strongly depends on the canopy cover of the parent stand, on the soil surface conditions and ground vegetation and moss ... the conditions of the 5 th and 6 th forest vegetation zone. Development and dynamics of natural spruce stands are highly re- lated to altitude and si...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "reproductive and morphometric characteristics of wild boar (Sus scrofa) in the Czech republic" pot
... 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 (AC) as the distance from the tip of the fore leg to the highest ... France in an area where most of the wild boar’s food consists of acorns and where the oaks’ seed productivity varies by year. Under the conditions o...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Extent and distribution of beech (Fagus sylvatica L.) regeneration by adult trees individually dispersed over a spruce monoculture" ppsx
... situation and certainly it does not even exist. Isolation dis- tance conditions are met on the “Telc” site, on con- dition that there is another tree outside the RP at a distance of about 40 m, and ... regen- eration density is reached under the crown of the tree in the fenced part. From the foot of the trunk there is a markedly exponential decrease in densit...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Productivity and cost of manual felling with a chainsaw in Caspian forests" pptx
... 20 to 60% and the aspects of the slopes were northern. e total volume of production was 1,900 m 3 and the skidding of production was done from the stump area to the roadside landing by a ... single -tree selection and the proportion of basal area removed was used to measure harvest intensity. L et al. (1997) conducted a further analysis of southern...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Arginine and the shade tolerance of white spruce saplings entering winter dormancy" ppsx
... measurements were based on the means of three saplings, one of which was not used for biochemical analyses. e third replicate was kept in the event that the extraction of one of the two selected saplings ... monthly hours of sunshine and air temperature (hysteresis) over the year formed a closed path in the x, y plane (Fig. 2). Both factors preconditioned see...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "rowth and health state of silver fir (Abies alba Mill.) in the ridge area of the Jizerské hory Mts" docx
... 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 (= 20% of the plants, i.e. the 10 highest trees per parcel, ... K). CONCLUSIONS Based on the results of the investigations into the development of the silver fir plantations and the dy- namics, of some climatic fa...
Ngày tải lên: 07/08/2014, 10:22
Báo cáo lâm nghiệp: "Quantity and distribution of fine root biomass in the intermediate stage of beech virgin forest Badínsky prales" potx
... by the common occurrence of pioneer and climax tree species during this stage. Together with changes in the tree species composition in the stand, successive accumulation of aboveground and ... of the soil environment changes. According to our results the trees respond to the low nutrient supply in the lower soil horizons rather by the reduction of the...
Ngày tải lên: 07/08/2014, 10:22
Báo cáo lâm nghiệp: " Soil and plant communities development and ecological effectiveness of reclamation on a sand mine cast" ppt
... 1997. e amount of biomass as a function of the height and density of a tree stand. In: Proceedings of the III National Conference on Application of Mathematics in Biology and Medicine, 16–19 ... however, these values depended on the species composition of tree stands (O et al. 2005). In areas with succession the aboveground tree biomass was on av...
Ngày tải lên: 07/08/2014, 10:22