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Impact of bogs on local climate - Borkovická blata, Olešenský wetland
LEŠTINOVÁ, Iveta
This diploma thesis discusses the influence of peat bog habitats on local climate, especially the temperature and humidity regime and indicators of energetic balance in similar locations Borkovice Marshland and Olešenský Wetland compared to the contrasting terrestric non-wetland TTP eco-system between the municipalities of Soběslav and Veselí nad Lužnicí. The evaluation was carried out based on the measurements of temperature and humidity characteristics in the given habitat with using automatic weather stations. The measuring was carried out in the period of 17 April until 3 November 2016 in an hour interval. During the vegetation period, samples of plant biomass were taken and species diversity of the observed ecosystems was described. The analysis of measured meteorological data has proved that the locations differed from each other. Results prove relatively small differences in air temperatures shot at the level of growth and in 2 meters above the surface. The greatest average temperatures were found in the location of the permanent grass growth. The greatest average pressure of water steam was noted in the location of Olešenský Wetland both in 2 meters above the suface and on the level growth. The lowest average saturation supplement was noted in the location of Olešenský Wetland, also it is the wettest place. The highest values were proved by the location of permanent grass growth, meaning that it is the driest place. The highest average evaporational fraction was noted in the location of Olešenský Wetland where a single vapour used the greatest amount of available energy. In the Borkovická Marshland lokality, a single vapour used the lowest amount of energy. Differences among the studied localities were caused by vegetation and the amount of water present in the eco-system.
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(Proposal for ecological monitoring of the restored Hučina floodplain (Šumava National Park)
SLÁMA, Miroslav
The aim of this work was to design long-term monitoring of vegetation and environmental factors which would document the effect of the planned revitalization of Hučina brook floodplain. In order to monitor the dynamics of plant communities the system of permanent plots have been designed and established. Visual estimation of cover or graphical methods were proposed for the monitoring of the development of the moss and herb layers. The method of basal cover is considered best for the monitoring of the development of the tree layer. Mapping of plant communites should be made in the form of direct mapping. The monitored water characteristics should include the groundwater level, water conductivity and pH. Beneficial additional measurement comprise estimation of total NH4+, PO43-, NO32-, SO42-, Mg2+, Ca2+, total Fe, K+, Na+, humic acids and total organic carbon (TOC). The important soil characteristics include actual soil moisture content (Wmom), the maximum capillary capacity (MKK), water-holding capacity (RVK24), bulk density, porosity and soil organic matter. In addition to the monitoring design, this work brings data on vegetation composition gathered by direct mapping and measurement of the breast height diameter of trees.
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