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What hinders the recovery of zooplankton communities in acidified lakes?
Jůzek, Václav ; Sacherová, Veronika (advisor) ; Kaňa, Jiří (referee)
Acidification of soil and water environments, which emerged with the beginning of the Industrial Revolution, became a major ecological problem of the 20th century. The increase in emissions and subsequent deposition of acidifying substances into the environment has caused a significant decline in abundance and biodiversity of aquatic organisms in European and North American lakes. Emissions causing acidification have been reduced since the 1990s, yet aquatic ecosystems are not returning to their pre-acidification state. This thesis concludes the factors affecting the course of chemical and biological recovery of aquatic ecosystems affected by atmospheric acidification. The reviewed literature shows that communities newly established in acidified waters seek a new ecological equilibrium, and thus recolonization of native species is not limited by merely unsuitable water chemistry itself. Bohemian forest lakes have also been affected by acidification and are now in the process of recovering. The main factors affecting the recovery of natural zooplankton communities in lakes are high aluminium concentrations, periodic pH fluctuations, catchment characteristics and, more recently, climate change and associated bark beetle-induced tree dieback. Keywords: acidification, recovery, zooplankton, Bohemian...
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Discourse on Future in Politics, Media, and Ecological Activism
Simon, Michal ; Zmrzlá, Petra (referee) ; Kotásek, Miroslav (advisor)
Tato práce se zaměřuje na diskurz o budoucnosti týkající se extrémních výkyvů počasí a klimatických změn. Pomocí diskurzivní analýzy zkoumá, jakým způsobem je budoucnost predikována v politickém a mediálním diskurzu a také v příspěvcích klimatických aktivistů na sociálních sítích. Analyzovaný politický diskurz obsahuje části projevu prezidenta Bidena a slyšení výboru Senátu Spojených států amerických. Mediální diskurz je ilustrován analýzami dvou článků ze zpravodajských médií a YouTube videa z kanálu magazínu The Economist. Zatímco analýza politického diskurzu v této práci zdůrazňuje rétorické prvky, modalitu a persvazi, analýza mediálního diskurzu se zaměřuje i na senzacionalismus v nadpisech článků a obrázcích. Prostředky, jako jsou například rétorika, modalita a senzacionalismus, přispívají k ovlivňování a případné manipulaci publika. Cílem této práce je posoudit, jak politici, média a klimatičtí aktivisté ovlivňují vnímání budoucnosti a jakou roli mohou mít při vyvolávání klimatické úzkosti.
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Clay architecture in Provence
Pániková, Natália ; Achten, Henri (referee) ; Kaftan, Martin (advisor)
Huge extremes in weather behavior in past years make me thinking closer to the climate changes architecture. An architecture that can bring better living. As for the specific area of interest I choose Provence in France, where the weather is extreme in comparison with other parts of France and temperatures are increasing every day. In this region hot weather was always present, but in modern standards, comfort zone of indoor space is rather unsatisfactory and modern houses are normally equiped with air conditioning from the beginning. The need for this is a global problem of rising temperatures as well as change in building the houses. In history houses were build from noble limestone material which thermal capacity was able to keep indoor cooler for longer time in summer and also warm inside longer in winter. Nowadays, there is shortage of the limestone, thnaks to which its price is rising and socialy lower layers of society choose the much less expensive option - concrete in its poured version - for appartment buildings or as concrete blocks for single houses. Provence is a region where we can to the contrary expect many changes in the future. And it is not only rising temperatures, but also abnormal extreme weather or rising level of the sea, due to global weather cycles.
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Water Management Analysis of Reservoir Storage Capacity Due to Climate Change
Šenková, Monika ; Menšík, Pavel (referee) ; Marton, Daniel (advisor)
The aim of this work is a water management solution of the storage volume of the Vlachovice reservoir in the conditions of climate change. Due to the long-term drought and flood period, the Czech Republic decided to build multi-purpose reservoirs. One of them is the multi-purpose water reservoir Vlachovice. The tanks are designed for a certain storage volume, which is calculated from the flow series in a given water profile. Flows on watercourses are conditioned by climatic and geomorphological conditions. Climatic conditions are constantly changing and significantly affect flows. It is difficult to determine the future of water flows. Future flows are generated based on measured values ??and expected climate change using mathematical models. In this work, just these two scenarios of the future of flow series depending on the amount of precipitation and temperature changes are compared.
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Adaptation of the urban environment on climate changeclimate change
Kührová, Kateřina ; Němcová, Miroslava Pumprlová (referee) ; Pumprlová Němcová, Miroslava (referee) ; Kriška-Dunajský, Michal (advisor)
Submitted bachelor thesis deals with adaptations of the urban environment to climate change, with special focus on adaptation strategies using greenery as the element of positive influence on the urban environment. The thesis is divided into two sections. In the first section the problematic of climate change and its effects and consequences for the urban environment is introduced, using both domestic and foreign sources. Scientific findings and adaptation options are listed with some examples of applied adaptation measures. The psychological effect on the city population is also considered as also a sociological research was conducted. The second part deals with analysis of the impact of two adaptation measures, both realized in the city of Brno – the existing green roof in Otevřená zahrada at Obilní trh and the City Cell Prototype – the temporary installation realised on Malinovského náměstí. The temperature and humidity data collected in the reference period (August – October/September – October 2018) are analysed together with the data recorded by meteorological station of the Institute of Landscape Water Management at the Brno University of Technology – Faculty of Civil Engineering.
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Abrupt cooling events in the Late Glacial and the Early Holocene
Švanda, Petr ; Vondrák, Daniel (advisor) ; Tichá, Anna (referee)
This bachelor thesis is prepared in the form of a literature review focused on abrupt cooling events in the Late Glacial Interstadial and the Early Holocene (14 700 to 8 200 cal. BP). The aim was to summarize the scientific knowledge on six such climate fluctuations and their causes and consequences. All of these events (GI-1d, GI-1c2, GI-1b, 11 400 event, 9 300 evenet, 8 200 event) lasted more than 50 years and are followed by cooling of more than 1 řC. Literature sources on this topic are based on interdisciplinary studies of various natural archives and the interpretation of so-called proxy data. For each climatic event, an assessment of its effects on ecosystems and human societies at the time was also made. The above findings are finally discussed in the context of the current climate change issues and the possible future of weakening the Atlantic Meridional Overturnig Circulation.
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Quaternary climate changes: Analysis of the primary/secondary and high school textbooks
HAVLÍKOVÁ, Adriana
The bachelor's thesis deals with climatic changes in the Quaternary and its content in natural history, geography, and history textbooks for elementary and high schools. In the first part, we learn about the basic terms for a better understanding of the issue. Furthermore, both natural and anthropogenic causes, consequences, and development of climate changes in history from prehistoric times to the present. The second part of the thesis focuses on the analysis of the topic of climate change in textbooks. The results are summarized in a clear table. The main goal of the work was to analyse the information that are obtained in the textbooks to evaluate whether the topics which, are contained in the textbooks, are sufficient for students for fully understanding. At the end, a worksheet for the 9th grade of elementary school was created as a supplemental curriculum, which is intended to help with the correct understanding of the topic of climate change and to avoid misinterpretations.
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Application of the principles of rainwater management during the revitalization of the former industrial area
Záchenská, Lívia ; Balasová, Kateřina (referee) ; Ručka, Jan (advisor)
This bachelor's thesis examines rainwater management in an urban intravillan, focusing on the revitalization of a former industrial brownfield in Brno. The study analyses the challenges associated with rainwater management and proposes an economical solution that benefits both citizens and the environment. The introduction provides insights into water management, including consumption, climate change, sewer line overloading, greywater utilization, and environmental impacts. The theoretical section explores the profitability of brownfield revitalization, incorporating an analysis of the former industrial area. Based on this analysis, a renewal plan for the brownfield is developed. The practical part introduces specific rainwater management facilities, addressing legislation and mathematical considerations. The brownfield is divided into sections, and the implementation of rainwater management facilities is proposed for each section. The facilities are accompanied by calculated charts and graphics for better visualization. This thesis contributes to the field of rainwater management in urban intravillan areas by presenting a practical approach to address the challenges associated with rainwater in a former industrial brownfield. The proposed economical solution aims to enhance citizen well-being and promote environmental sustainability.
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Climate change and information overload
Pittner, Jan ; Miessler, Jan (advisor) ; Soukup, Martin (referee)
This bachelor's thesis focuses on the topic of information overload and climate change. The theoretical framework presents information overload as a concept in general and then in the context of climate change. It specifies how information overload can arise in terms of consumption of different media types and mentions symptoms and potential impacts of the problem. It focuses on groups of recipients of climate change information. These groups are those who experience climate change directly and those who learn about it indirectly. It focuses on fake news about climate change and ways of their misuse. It also provides a discussion on potential solutions of the problem of information overload which appear in literature as guidelines and recommendations at individual, media organizations and workplace levels. The practical part of the thesis uses a questionnaire survey to obtain specific data and then quantitatively analyses it. The collected data is divided into categories which are compared with each other using graphs and charts. The findings are placed in the context of current knowledge summarized in the theoretical framework. The main finding of this survey is that there is a positive correlation between the respondents' level of information overload and ability to act. Other findings are that...
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