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Reakce tloušťkového přírůstu dubového výstavku na uvolnění koruny na experimentálních plochách určených k převodu na střední les na ŠLP ML Křtiny
Bambuškar, Petr
The thesis is focused on the study of the diameter growth of the oak potential standards (Quercus Sp.) at the research areas, which are included for transformation to the coppice-with-standards. These areas were effectively set up at Hády and near Soběšice, which are under the competence of the Training Forest Enterprise Masaryk Forest Křtiny. The investigated areas were divided into 16 squares of 50x50 m. There were different intesities at 50x50 m subareas. Every intensity has 4 replications. For control was established control area near by Soběšice plot. We also could compare impact of different thinning intensities for diameter growth and health status for each standard, because health status is important too for evaluation of this diploma thesis.
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Vliv vnějších a vnitřních faktorů na tloušťkový přírůst výstavkových dubů ve středním lese
Kollanda, Viktor
The aim of the thesis is to assess the extent of individual factors’ influence on the thickness growth of retention oak trees in the middle forest. The factors include height in 2008, habitat, release rate, vegetation age, the rate of epicormic branching and treetop health state and quality. To analyze the data, MS Excel and Statistica were used. The results were interpreted with the use of multidimensional regression analysis. The analyses resulted in regression coefficients which represent the relative magnitude of the increase of the thickness gain by the action of the individual factors. Not all the factors were shown to be statistically significant; their significance also differs over time.
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Annual progress of radial increment of selected species in Arboretum FFWS in Kostelec nad Černými lesy
Chržová, Anna ; Bažant, Václav (advisor) ; Vítámvás, Jan (referee)
Abstract
This thesis deals with the evaluation of the annual radial increment measured during the vegetation period 2014 and 2015 on three species of trees in the Arboretum of The Faculty of Forestry and Wood Sciences of the Czech University of Life Sciences Prague in Kostelec. Evaluation of the seasonal dynamics of radial increment of Abies grandis (Grand fir), Picea sitchensis (Sitka spruce) and Pseudotsuga menziesii (Douglas fir) on plot stands in the Arboretum in Kostelec was made by comparing the climate in the time period and the annual radial increment as it changed during the season. Annual radial increment of Abies grandis, Picea sitchensis and Pseudotsuga menziesii was detected by device EMS DRL26A. This device also subscribed information about the temperature during the growing season. Data was processed by software EMS Mini32 and exported to Microsoft Excel 2016. Information about the temperature, I determinated with using a meteorological station in the area of the Arboretum. Data fromdendrometer and weather station and their interdependence was evaluated using Microsoft Excel 2016 in the form of line charts. In 2014, I was dealing also phenological phases and the time of onset and end of it on observed species. Due to the extremely warm and dry year 2015, I had the opportunity to compare the responses of individual species at these climatic phenomens. In conclusion, the results are confronted with the literature searches and the discussion in this thesis, where I focused on the characteristics of measured trees and their application in European conditions
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