Báo cáo lâm nghiệp: "Effects of artificial damage on the branching pattern of Nothofagus dombeyi (Nothofagaceae)" ppsx

... assess the effects of traumatic factors on the branching pattern of N. dombeyi through artificial interventions on shoots. The second- ary objectives were the evaluations of differences in the branch- ing ... the size of the largest branch and the mean size of the other branches on a particular shoot of N. dombeyi depends on a number of factor...

Ngày tải lên: 08/08/2014, 00:22

... 2004). RESULTS AND DISCUSSION Krušné hory Mts. – regeneration Fig. 1 illustrates the distribution of regenera- tion on inventory plots in the territory concerned. Regeneration on only one subplot was sufficient ... proportion of individuals damaged by fraying (in this category) approaches 10% (8.2% of damaged individuals). Of that the proportional share of the other dec...

Ngày tải lên: 07/08/2014, 03:22

... check the suitability of the de- signed model for the prediction. Deviance residu- als are based on the contribution of the observed responses to the log-likelihood statistic, while Pearson χ 2 ... to the frequent neglect of tending and forest sanitation measures on the part of small owners. In the Orava region, where the disturbance pattern is in trans...

Ngày tải lên: 07/08/2014, 10:21

... influence of clones and sites The concordance between the clones and sites classifica- tions also allows drawing a conclusion of special interest to poplar planters. The extent of the damage to the ... father unknown (=Wind pollinated). Key to the common parents: clones with the same mother: Mx; clones with the same father: Px; clones with the same mother and father: M...

Ngày tải lên: 07/08/2014, 16:20

... limita- tion to the main root growth by shortening its length to the depth of the container and preventing the development of re- placement taproots. The confining of lateral roots in the con- tainer ... were then calculated: altitude-slope (the regression slope of Log 10 a on Log 10 µ) and pathlength-slope (the regression slope of Log 10 p e on Log 10 µ). High valu...

Ngày tải lên: 08/08/2014, 00:22

... parts of the stem and on fine days during the growing season. On cloudy and rainy days, the depression Diurnal and seasonal fluctuations in the bark respiration of standing ... throughout the day. In the stem near the ground, the xylem tem- perature was constant at any time of day because of the cooling effect of the sap f...

Ngày tải lên: 09/08/2014, 04:20

... comparison of the early events of infection between E. urophylla and both strains of P. tinctorius shows important differences at the interface. Indeed, it seems that the plant ... quite important for the controlled utilization of mycorrhizal symbionts in plantation man- agement. Presently, we do not have any know- ledge regarding the nature...

Ngày tải lên: 09/08/2014, 04:20

... because of the risk of overheating due to sudden exposure to solar radiation [1] and/or because of the greater risks of predation on this sub- strate. Therefore, it is likely that the benefits of ... evident, although there were only small amounts of vegetation on these sites. Observed changes over time on scarified patches or mounds, besides the establishment of f...

Ngày tải lên: 08/08/2014, 01:21

... recession limb and determining only the runoff con- stituents and their comparison also in the process of time. Similarly, the influence of land use changes on the ratio of runoff components (surface ... of runoff can be related to the loss and restoration of both interception and transpiration. On the other hand, the drainage-induced change led to different runoff si...

Ngày tải lên: 07/08/2014, 03:22

... (1988) mentions similar results in the increased consumption of food in the creation of a fat body in females of Lochmaea caprae (L.) Differences of imagoes in the consumption of food in particular ... Weevils of the genus Phyllobius – consumption of food on birch affected by differentiated inputs of nitrogen Fig. 7. e weight of the dry matter of birch leaves a...

Ngày tải lên: 07/08/2014, 10:21