This thesis deals with different types of soil degradation under the conditions in the Czech Republic. The first part is focused on the evaluation of the causes and course of degradation of soils in the present time. Among the most serious degradation factors may be included the following: pedocompaction, dehumification, land appropriation, bad infiltration, water and wind erosion. In the Czech Republic, only water erosion alone threatens 42% of all agricultural land. In the thesis organisational, technical and agrotechnical anti-erosion control measures are summarised. Their utilisation, efficiency and sophistication are also described. In the next part of the thesis there are six specific land blocks in the same farm in South Bohemia presented. Each of these blocks has a different acreage, the average slope, the crops cultivated and different representation of strongly threatened and moderately erosion-threatened vulnerable areas. The thesis evaluates the number of plants per 1 sq. m, the condition and density of the growth due to the erosive threat to all of these localities.

The consequence of the differentiation of a care of forest ecosystems in NP Šumava is the existence of localities where timber harvesting causes damage to forest ecosystem. One of the most affected ecosystems is the soil ecosystem. The surface is usually disrupted by numbers of passing over the same path the machines. Forwarders are the harvesting machineries that execute the largest number of passes in the forest. The aim of the diploma work is to gain and analyse data dealing with harvesting technologies, and to evaluate their impact on soil ecosystems. The impact was determinate from measuring of the recessing of the track in the surface, of the soil compaction and of the soil sampling for determination of an amount of the water in the soil. The data were measured in different selected localities in NP Šumava. The negative influences of the harvesting technologies were defined for both {--} water and air regime of soil. Recommendation for reduction of negative consequences of the harvesting on soil are parts of diploma work as well.

Currently there is no suitable and commonly used device for volumetric quantification of snowmelt erosion in the Czech Republic (CR). The determination of erosion rate in the catchment is a essential prerequisite for the correct design of conservation measures. The thesis tries to offer the possible ways of monitoring the snowmelt erosion, compares individual methods and defines their optimal use. In the first year of the research, a runoff plot was developed to capture sheet erosion. The thesis compares also the methods using mobile devices - erosion bridge method and UAV photogrammetry - as effective instrument for snowmelt erosion monitoring. So far, no attention has been paid to snowmelt erosion in CR. Therefore, the thesis focuses mainly on the analysis of causal factors specific to this type of erosion - the erosion potential of snow cover and the possible soil erodibility changes due to freeze-thaw cycles. The thesis assesses the rate of snowmelt erosion risk in selected climatically different catchments and its changes in recent years. shows the timeliness of the problem. In the end, the thesis presents possibilities for solving the problem. The thesis claims the problem of snowmelt erosion actual and offers its possible solution.

This thesis evaluates the elements of the Territorial system of stability, which were designed within the plan of the common facilities of comprehensive landscaping, with regards to the elements of the erosion and flood protection. Within the scope of this work there was proceeded the hydrological analysis on the parts of the watersheds of the specific cadastral territories of Lichnov and Šardice. esign of the ÚSES´s elements within the KPÚ at specific cadastral territories was further evaluated in terms of area of the individual elements anEcological stability the change after the design of these elements.

This diploma thesis is about water erosion. There are types of water erosion, consequences and ways how to reduce erosion. The second part describes and claculates soil loss in an area of Zasova and Zubri. For calculation is used programme ArcGis. Based on the resoults are suggested two ways of erosion kontrol measures. Their efficiency is proved in programme ArcGis and the resoults are compared.

Aim of this study is to evaluate the effects of landscape structure on soil erosion and runoff conditions of given area with help of digital elevation model and relevant GIS data. Analyses of soil erosion by water and runoff were processed for current conditions and several other variations. Based on this analyses and results was performed an evaluation of all model variations.

This diploma thesis deals with the analysis of the drainage pipeline of the Škoda K 220-44 steam turbine. This turbine is operated in Dukovany Nuclear Power Plant. One part of this work is proposal of corrective measures. The aims of this work include the creation of a search for drainage, steam, erosion corrosion and mapping of defects in long-term operated drainage system. Work also includes the evaluation of measured values of the pipe wall thickness measured by ultrasonic analyzer. In addition, the work contains images created from 3D model, on which the location of defects and measurements are displayed.

The main subject of this diploma thesis is a study of a suggestion of environmentally friendly adjustments in the basin of Jičínka, working as preventive protection against floods. The study contains a research of the stated area using the method of CN-curves in the hydrological model DesQ-MaxQ and the principle of Wischmeier-Smith's equation, in modicication of ArcGIS programme. Based on the analysis, the work suggests an improvement of erosive and drain ratios and then an assessment of effectiveness of the protection. We get the assessment of the effectiveness by comparing the condition of the erosive wash and the surface drain before and after implementation of our measures. The work also sets its goal in calculating the financial returnability of the investition indicatively.

A subject of this Thesis is the design of the complex system of measures of soil conservation in given catchment area, which will serve as a concept of complex land consolidation in cadaster Jerlochovice. Based on the analysis and the land survey, a feasible solution was designed using the hydrological and erosive tools of ArcGIS. For the identification of areas endangered by erosion and for the identification of runoff conditions, the Universal Soil Loss Equation of Wischmeier-Smith was used (in grid modification). Based on the calculated values, the suitable technical and agrotechnical measures of soil erosion control were designed. Each component was designed for the values of Qn from the model DesQ. Subsequently the efectivity of the designed measures was evaluated by the comparison of results of erosive and runoff conditions before and after the aplication of the soil and water conservation measures.

The target of the diploma thesis was the assessment of efficiency of the system of common facilities in Hať and Darkovice cadastral areas. Digital model of elevation was made by software Atlas DMT. Average soil loss by soil erosion of given subbasins was evaluated by ArcGis tools before and after the design of conservation measures. Polder’s efficiency was evaluated also. Another part of thesis offers alternative design of erosion and flood control.