Báo cáo lâm nghiệp: "Rationalization of the performance of a mobile off-road system working in the forest environment with respect to its emission load" doc

Báo cáo lâm nghiệp: "Rationalization of the performance of a mobile off-road system working in the forest environment with respect to its emission load" doc

Báo cáo lâm nghiệp: "Rationalization of the performance of a mobile off-road system working in the forest environment with respect to its emission load" doc

... suitable machinery, and in using acceptable methods for the employment of machines with the rational performance. Pos- sibilities to determine the rational performance of machines are further ... of reaching its design performance have to be considered. Possibilities of increasing the design performance of forest systems: – Increased material flow range...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "Comparison between field performance of cuttings and seedlings of Eucalyptus globulus" ppsx

Báo cáo lâm nghiệp: "Comparison between field performance of cuttings and seedlings of Eucalyptus globulus" ppsx

... inadequate because materials are not comparable. Nevertheless the disparity of results between studies highlights the importance of plant quality of cuttings as a critical factor, at least during initial ... only set to germinate at a later stage, as to ensure cuttings and seedlings were of similar size at planting. These trials allowed a direct comparison between plants...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp: "Improving RBS estimates – effects of the auxiliary variable, stratification of the crown, and deletion of segments on the precision of estimate" pps

Báo cáo lâm nghiệp: "Improving RBS estimates – effects of the auxiliary variable, stratification of the crown, and deletion of segments on the precision of estimate" pps

... of paths of each tree (eq. [1]) and the true totals and variances of the target variables and the estimates of the totals, respectively. Choice of the auxiliary variable and variance of the ... beginning at the base of the segment, a proxy of the volume of that part of the branch, as the auxiliary variable. Each path was terminated when a diam...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "reproductive and morphometric characteristics of wild boar (Sus scrofa) in the Czech republic" pot

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

... April in the Kostelec area (up to 80%), in con- trast to the Doupov area (55%) and Šumava (46%), may again signify the in uence of the area with regard to both the 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 during the preceding a...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "rowth and health state of silver fir (Abies alba Mill.) in the ridge area of the Jizerské hory Mts" docx

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

... tests of the potential support to the vitality of the fir plantations by means of ameliorating measures were a part of the experiment. A part of the plantings was standard without soil amelioration ... after the growth termination at the beginning of autumn. e height growth was evalu- ated according to the parameters of all living fir indi- viduals in...
Ngày tải lên : 07/08/2014, 10:22
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Báo cáo lâm nghiệp: "Growing stock-based assessment of the carbon stock in the Belgian forest biomass" ppsx

Báo cáo lâm nghiệp: "Growing stock-based assessment of the carbon stock in the Belgian forest biomass" ppsx

... over the three Belgian regions: Flanders, Brussels-Capital and Wallonia; forest cover gives the ratio of the regional forest area to the total regional area. Region Total area Forest area Forest ... stock in the living biomass of the Bel- gian productive forests was calculated for the year 2000. In a final analysis, the BEF s.l. category that introduces th...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp: " Early development and nutrition of Norway spruce (Picea abies (L.) Karst.) seedlings on different seedbeds in the Bavarian limestone Alps – a bioassay" ppsx

Báo cáo lâm nghiệp: " Early development and nutrition of Norway spruce (Picea abies (L.) Karst.) seedlings on different seedbeds in the Bavarian limestone Alps – a bioassay" ppsx

... content in the highly decayed woody substrate. The high water storage capacity of dead wood in combination with a high amount of released, available N by bacteria would be able to explain the high ... shoots, and roots of the seedlings were separated using a scalpel, and the three parts were pooled for each pot to obtain adequate plant material for analysis. Tota...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp:"Growth and biomass partitioning of Fagus sylvatica L. and Quercus robur L. seedlings in response to shading and small changes in the R/FR-ratio of radiation" pot

Báo cáo lâm nghiệp:"Growth and biomass partitioning of Fagus sylvatica L. and Quercus robur L. seedlings in response to shading and small changes in the R/FR-ratio of radiation" pot

... mangostana. In addition, an increasing number of branches of young Quercus petraea and an increasing length growth of these branches with increasing Table I. Results of regression analyses after ... (length) of the main stem (mm), diameter (tenth of a mm) of main stem collar at a permanently marked position 3 cm above the substrate surface, diameter (tenth of a m...
Ngày tải lên : 08/08/2014, 01:21
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Báo cáo lâm nghiệp: ": Climate-tree-growth relationships of Quercus petraea Mill. stand in the Forest of Bercé (“Futaie des Clos”, Sarthe, France)" docx

Báo cáo lâm nghiệp: ": Climate-tree-growth relationships of Quercus petraea Mill. stand in the Forest of Bercé (“Futaie des Clos”, Sarthe, France)" docx

... occurring for over than 20 years can be interpreted as a response to the increase of harvesting intensity. The influence of climate was evaluated by comparing earlywood, latewood and total ring indices ... past history of a 300-year-old Quercus petraea stand (the “Futaie des Clos”, 8 ha) located 20 km from the town of Le Mans in the Forest of Bercé in the west...
Ngày tải lên : 08/08/2014, 01:21
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Báo cáo lâm nghiệp: "Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae)" pps

Báo cáo lâm nghiệp: "Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae)" pps

... (Polnička, 1997). e mean leaf area of A. glutinosa damaged by imagoes including the mean number of laid eggs in the laboratory. An asterisk* indicates the occurrence of Beauveria bassiana. In rearings ... due to heavy Table 1. Abundance of G. lineola imagoes at sweeping on A. glutinosa and A. incana (Polnička, 1996). e mean leaf area of A. glutinosa damaged by im...
Ngày tải lên : 07/08/2014, 03:22
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