Báo cáo lâm nghiệp: "Survival and acclimatation of Populus nigra to drier conditions after damming of an alpine river, southeast France" ppsx
Báo cáo lâm nghiệp: "Survival and acclimatation of Populus nigra to drier conditions after damming of an alpine river, southeast France" ppsx
... importance of water to a plant lies in its role in cell ex- pansion, cooling of leaves, nutrient and carbon transport and photosynthesis. Poplars are thought to consume large amounts of water to ... growth range of the black poplar and their acclimatation to soil mois- ture. Fine sanding of the wood cores has also revealed the dis- tribution and dimensions of ves...
Ngày tải lên: 08/08/2014, 00:22
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
... 349–358 Table 3. Analysis of variance (F- and P-values) of the effect of planting time and application of the fungal product Ectovit on growth characteristics of seedlings at planting time and after the ... of bareroot and Table 1. Basic characteristics of the bareroot and containerized planting stock of forest tree species planted in autumn 2008 and spring 200...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Survival and growth of Acacia mangium Willd. bare-root seedlings after storage and transfer from aeroponic culture to the field" pdf
... the collar and the last living bud before transplanting and at 2 and 7 months after planting out. 2.3. Statistical analysis A single factor analysis of variance (ANOVA) was performed to determine ... procedure manual, ASEAN-New Zealand Afforestation project, Manila, Philippines, 1987. Figure 1. Acacia mangium shoot growth in cm (means and standard deviations) 2 months after tr...
Ngày tải lên: 08/08/2014, 00:22
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
... n where: p – probability of phenomenon (mean value of binomial distribution), n i – number of positive occurrences of the attribute and n is the total number of measurements. Variance is defined by ... peeling Peeling and browsing are defined as the overall damage to the bark and phloem of growing trees caused by red deer feeding; peeling, i.e. the ripping of phloe...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Growth and physiological state of beech seedlings grown in a nursery in different light conditions" docx
... processes of the capture and transmission of radiant energy quanta. e long- term eff ect of excessive PAR leads to the photode- struction of assimilatory organs when the bleach- ing of photosynthetic ... shaded and unshaded plastic greenhouse. The objective was to compare seedling growth and the function of assimilatory organs and to determine their reactions aft...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Structure and development of forest stands on permanent research plots in the Krkonoše Mts" pdf
... point of view the presented re- sults are unique also in pan-European context. e structural dynamics of beech, mixed (fi r beech and spruce beech stands) and spruce stands, relict pine woods and ... ma- tured with abundant natural regeneration of shade tolerant tree species (beech and silver fi r) accompa- nied by more light demanding tree species of diff er- ent age and...
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
... of 200–1,800 m a.s.l., with forest coverage of 60% and an agricul- tural landscape (with an intensive type of agricul- ture) constituting only 10% of the area, similar to the Doupov area and ... time of farrowing and the mor- phometric parameters. is confirms the findings of M and F (2004) that in case there is an abundance of food available duri...
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
... beech nut fall and carrying occur to a different extent, the combined ef- fects of barochory and the zoochoric activities of mice and birds, and finally (3) farther into space toward the edge ... variously spatially arranged in them, which come from the preceding genera- tion of spruce stands. e Kremesnik and Telc ar- eas are in the Bohemian-Moravian Uplands (CZ) and the...
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
... Productivity and cost of manual felling and cable skidding in central Appalachian hardwood forests. Forest Products Journal, 53: 47–53. ZOBEIRY M., 1994. Forest Inventory (Measurement of Tree and Stand). ... region and will be helpful for the loggers in selecting an appropriate system under certain stand and harvest circumstances. e mean of delay times was 0.8l min per...
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
... growth, and years later during maturity to flowering and viable seed production. Arginine- derived guanidino compounds as respiratory inhibitor respiratory inhibitors contributed to dormancy and ... acid and guanidino analyses. Organs were homogenized in a Waring blender with 80% ethanol for the extraction of all Sakaguchi and ninhydrin-positive substances. Extracts were fil...
Ngày tải lên: 07/08/2014, 10:21