Báo cáo lâm nghiệp: "Development of tertiary roads in the Lednice-Valtice Cultural Landscape" pps

... utilization of tertiary roads and the maintenance of the Lednice-Valtice Cultural Landscape (LVCL) in a historical context. Furthermore, in virtue of these relations, to draft the methodology ... reflected in the forest trans- port network. ese changes were above all in the area of floodplain forests after the regulation of the Dyje River. e interc...

Ngày tải lên: 07/08/2014, 04:20

... mortality with increasing dbh for the other tree species, result- ing in large trees never dying. erefore the results of the long term simulations became unreliable. us, in this study, coefficients ... Plenter forests in the Allgäu region in Germany, depending on site index. Compared to this, the simulation results would meet the expecta- tion. Surprisingly, the aver...

Ngày tải lên: 07/08/2014, 03:22

... summers. Winters are a little cold with the maximum temperature rising to 26.8°C and the minimum dropping to 2.5°C. e average annual rainfall of the area is 610 mm. Approximately 90% of the rainfall ... however, there is a lack of knowledge con- cerning the quantification of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduo...

Ngày tải lên: 07/08/2014, 03:22

... explained 75% of the total variation of g,. During the drought period, the mean and variance of gs were much lower and showed only a slight decrease during the course of ... of the day. Variation in vapor deficit and irradiance explained only 33% of the variation of gs. No stratification could be shown in the crown at any time...

Ngày tải lên: 09/08/2014, 04:20

... seen to accumulate in chloroplasts. The devel- opment of a freezing injury in the acid rain-treated conifer seedlings is discussed in Reinikainen and Huttunen (1989). Acknowledgments This ... Effects of winter stress on pollutant responses. In: How are the Effects of Air Pollutants on Agricultural Crops Influenced by the Interaction with Ot...

Ngày tải lên: 09/08/2014, 04:20

... class of the ac- curacy. Attaining the 4 th class of the accuracy fully meets the requirements for the determination of the customer unit boundaries, which represent owner boundaries from the ... together with development of the remote sensing of the Earth. Photogrammetry and remote sensing of the Earth are overlapping each other, photogrammetry is the...

Ngày tải lên: 07/08/2014, 03:22

... out dur- ing the repeated investigation. – A higher number of regeneration individuals was found in the Fláje preserve during repeated investigation in comparison with the rest of the investigated ... observation of their dependences. A project was realized in the Krušné hory Mts. involv- ing a part aimed at the assessment of game damage from the data of th...

Ngày tải lên: 07/08/2014, 03:22

... area and the amount of throughfall in the spruce stand was found (Fig. 1). In the dense spruce stand the amount of throughfall was higher in comparison with the open area whereas in the sparse ... well. Mainly the interception of horizontal precipitation is important in mountain forest stands. us the lower amount of water penetrated onto the forest...

Ngày tải lên: 07/08/2014, 04:20

... 'I-214' was also included in this group. Mean dbh of the top fi ve clones varied in the range of 16.50–19.86 cm, mean tree height was in the range of 13.87–15.29 m, mean annual increment 2.30–2.65 ... clones in the area of Laborec in conditions of the Eastern Slovakia. Zprávy lesnického výzkumu, 44: 14–18. (in Slovak) K Š. (2008): In uence...

Ngày tải lên: 07/08/2014, 10:21

... years after the thinning similarly like in previous years. Positive ef- fects of the high-type thinning in 2001 were reflected in the 17%increase of LAI in 2002. e realized thin- ning exhibited ... reaching the maximal values of radiation use efficiency. e high-type thin- ning of medium intensity (15% reduction in the num- ber of trees, and 23% reduction in L...

Ngày tải lên: 07/08/2014, 10:21