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Ant succession in post mining sites
Hovorková, Marie ; Frouz, Jan (advisor) ; Mudrák, Ondřej (referee)
Succession is often studied by using a chronosequence. When using a chronosequence we study a set of sites with different ages at the same time and by comparing them we conclude what kind of changes occurred during time (space for time substitution). Only a few studies however compare how results obtained by using a chronosequence differ from those obtained by long-term studies. In my theses I repeated a study that investigated succession of ant communities on brown coal mining spoil dumps in Sokolov district after 19 years. There are chronosequences of two types of sites (spontaneous succession and recultivation) in Sokolov coal mining district. By repeating the original study I could compare changes that occurred du- ring time with changes along a chronosequnce. Relationship between occurrence of ant groups with different ecological requirements and age of site was also investigated. RDA model and variation partitioning were used to find out statistical significance between sites and their age. An increase in number of species was recorded on the spoil dumps. 22 ant species were found in the year 2020, from which 5 species were new on the dumps. All the new species are specialists, two of them are dendrophilous. A statistically significant increase in abundance of forest species with site age was...
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Soil water regime of reclaimed and unreclaimed post mining heaps
Cejpek, Jiří
This PhD thesis compares the water regime of reclaimed and unreclaimed spoil heaps after brown coal mining, with special regard to the development of hydrological properties of soils, which are determinant for the movement and retention of water in the soil. The basic influence on the supply of soil water has the technology of pouring the spoil heaps and aging, which co-regulates the development of vegetation. During the development of soil's spoil heaps increases field water capacity and water retention, but also increases the wilting point. These changes are related to the accumulation of organic matter in the soil and the degradation of claystones to particle size of physical clay. The development of the ability of the spoil heaps soils to bind water is greater in reclaimed areas, where the upper organomineral horizon develops more rapidly, but there is also a wilting point and water consumption. On unreclaimed area, the soil substrate develops more slowly. Overall, the differences in water regime between reclaimed and unreclaimed areas are small.
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Sukcese vegetačního krytu na hlušinových odvalech v Ostravě
Jaroš, Jakub
This thesis is focused on the evaluation of succession on spoil heap complex Petr Bezruč and spoil heap of the coking plant Svoboda since the last research carried by Koutecký (2004) and the care proposal of similar devastated sites. A total of 100 phytosociological relevés were made and 100 soil and 204 dendrochronological samples were taken on both sites. The analysis of the obtained data revealed identical changes of EIV on both sites, indicating the canopy increase of the tree species and alteration of the species composition, which was attributed to the ongoing succession. The difference among plots on spoil heaps and the difference among both spoil heaps was also evaluated. Spontaneous and directed succession was determined as the most appropriate means of restoration.
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Soil water regime of reclaimed and unreclaimed post mining heaps
Cejpek, Jiří
This PhD thesis compares the water regime of reclaimed and unreclaimed spoil heaps after brown coal mining, with special regard to the development of hydrological properties of soils, which are determinant for the movement and retention of water in the soil. The basic influence on the supply of soil water has the technology of pouring the spoil heaps and aging, which co-regulates the development of vegetation. During the development of soil's spoil heaps increases field water capacity and water retention, but also increases the wilting point. These changes are related to the accumulation of organic matter in the soil and the degradation of claystones to particle size of physical clay. The development of the ability of the spoil heaps soils to bind water is greater in reclaimed areas, where the upper organomineral horizon develops more rapidly, but there is also a wilting point and water consumption. On unreclaimed area, the soil substrate develops more slowly. Overall, the differences in water regime between reclaimed and unreclaimed areas are small.
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Soil water regime of reclaimed and unreclaimed post mining heaps
Cejpek, Jiří ; Frouz, Jan (advisor) ; Moldan, Bedřich (referee) ; Tesař, Miroslav (referee)
This PhD thesis compares the water regime of reclaimed and unreclaimed spoil heaps after brown coal mining, with special regard to the development of hydrological properties of soils, which are determinant for the movement and retention of water in the soil. The basic influence on the supply of soil water has the technology of pouring the spoil heaps and aging, which co-regulates the development of vegetation. During the development of soil's spoil heaps increases field water capacity and water retention, but also increases the wilting point. These changes are related to the accumulation of organic matter in the soil and the degradation of claystones to particle size of physical clay. The development of the ability of the spoil heaps soils to bind water is greater in reclaimed areas, where the upper organomineral horizon develops more rapidly, but there is also a wilting point and water consumption. On unreclaimed area, the soil substrate develops more slowly. Overall, the differences in water regime between reclaimed and unreclaimed areas are small.
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History of anthracite and lignite mining in České Budějovice region compared from a point of view of economic and social history
PETRÁŠEK, Karel
The bachelor's thesis focuses on the historical development of coal industry in Českobudějovicko region during the first half of 20th century. The work is divided into three parts. In the first part, the author focuses on the creating of coal deposits in Czech lands with usage of the available literature. he also describes South Bohemian deposits and quality of local kinds of coal: anthracite and lignite. The second part deals with the development of Czech coal industry. The work focuses on South Bohemian coal mining industry until the end of 19th century. The last part is dedicated to the history of three mining locations where coal was mined during the first half of 20th century. These locations are Kamenný Újezd, Mydlovary and Lhotice. While dealing with these locations the thesis focuses on local mines' history, analyzes the problems they struggled with and social conditions of their employees. The results are then compared with situation in other Czech coal mining regions.
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Size segregated atmospheric aerosol in selected workspaces of coal strip mine
Basslerová, Barbora ; Hovorka, Jan (advisor) ; Svoboda, Petr (referee)
The workers are exposed to aerosol particles in a coal strip mine. These particles are usually generated by the Bucket-wheel excavators which break the mined rock. The goal of the thesis thesis was to compare the concentrations of atmospheric aerosol particles - PM on the Bucket-wheel excavator Schrs 1320, the Stacker ZPDH 6300 and the Bucket- wheel excavator K 800/N2 in the coal quarry Doly Nástup Tušimice, and then to answer the questions what is the main cause of increased concentration PMx and whether the mining machines are different from each other. The measurement was realized stepwise on every mining machine in the time period from 12. 8. to 2. 9. 2016. The concentrations of PM1, PM2,5 and PM10 were measured by two portable laser nephelometers in the cab drivers and the outdoor walkway of the mining machines with the integration time of 1 minute. The air temperature and the relative humidity were monitored in both types of settings in every five minutes. The PMx concentrations variability is usually determined by the type of work and by the type of smoking. Consequently, PM concentrations on the mining machines were compared at the morning exchanges and evening exchanges, during the outdoor cleaning by sweeping, the indoor cleaning by hoovering and during the smoking. The highest...
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Kralupy u Chomutova: The Demolition of villages due to mining
Vitíková, Jana ; Šubrt, Jiří (advisor) ; Šalanda, Bohuslav (referee)
This Diploma thesis is telling the story of the village Kralupy u Chomutova that had to be demolished because of coal mining. It is following the life of people of the village from the time before World War I untill the 70's. It is the time when the village was demolished. Kralupy u Chomutova were located in so called Sudetenland. Therefore its rezidents where changing during 20th century. In the end It was them who were witnesses of the demolition and their stories are part of this thesis.
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Termination of mining on the mine Schoeller/Nejedlý/Kladno in the eyes of miners
Rojková, Veronika ; Mücke, Pavel (advisor) ; Houda, Přemysl (referee)
"Black Kladno" - a name inextricably linked with the largest city of the Central Bohemian clearly reflects the former industrial face of Kladno. In addition to the steel industry here had long tradition just coal mining and its phasing, which culminated early in 2002 close of the last Kladno Mine Schoeller / Nejedly / Kladno, had an impact on a large number of people who have worked in this field. In addition, mine closure linked solely with the decline of mining activities after 1991, but also with a methane explosion, which occurred at the mine in late 2001, and died with him four people. This thesis using qualitative research methods in the form of oral history interviews devoted to the completion of mining the bottom Schoeller / Nejedly / Kladno, as it was perceived by miners and other employees of the mine, compensate the loss of jobs often lasting many years, and their search for new employment. As the main source of information for the actual parts are used extensive publication Josefa Suldovského Chronicle mining Czech lands and collective work Coal mining in the Kladno: History Kladno- Slaný-Rakovník basin. For more information regarding mining directly Kladensko then a series of regional publications and printing. The work is divided into five parts. The introduction briefly summarizes...
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Effecto of surface winning on the freshwater quality
Hurychová, Renata ; Přikryl, Ivo (advisor) ; Benešová, Libuše (referee)
The aim of this work is to show, how much different is the flowing mine water and water, which was not affected by surface mining. The literature on this theme was collected and evaluated. The question was studied in the experimental project, which covered examination of mine landscape water in Sokolovsko. In this research, 17 samples of different flowing water were taken and following values were determined: pH, conductivity, acidity, alkality, hardness, content of nitrates and nitrites, amonnium ions, phosphates, iron, chloride, calcium and manganese ions. These data were compared between samples from sites with different degrees of mining extension. The measured values were compared with previously published values from other sites.
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