National Repository of Grey Literature 47 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
Assessment of sewerage systems of urban catchments
Kulichová, Jana ; Lžičař, Jakub (referee) ; Raclavský, Jaroslav (advisor)
The aim of the work is to create a search, description and subsequent selection of methods for assessing the sewer system. The work is divided into theoretical and practical part. In the theoretical part, the aim is to create a search for sewerage and its objects, a description of remediation methods and an overview of methods for assessing the sewer system in terms of hydraulic, construction, technical and operational research. The practical part assesses the current state of a selected section of the sewer system in Znojmo.
Airport Hall
Kulichová, Jana ; Štrba, Michal (referee) ; Barnat, Jan (advisor)
The construction of the concourse is designed from steel.Construction was designed in 2 variants.The construction of the hall is radially curved in plan view with a circular sector on the longitudinal side.Roof structure consists of eight trusses at an axial distance of 9 m.Tracks are arched truss designed as a parallel.Trusses are designed to span 40m.Maximum ground clearance hall at the top is 14 meters.Letištní hala byla řešena v programu Scia Engineer 2014 a součástí je i výkresová dokumentace.
Abnormal shapes of diatoms induced by elevated concentrations of chemical substances.
Budd, Dagmar Marguerite ; Kulichová, Jana (advisor) ; Woodard, Kateřina (referee)
Traditional biomonitoring methods are compared in this thesis with a modern approach which uses fluctuation asymmetry to measure developmental instability and refines biomonitoring methods in order to emphasis the impact of toxigenic substances in freshwater environments. The next section provides information about different types of pollution, with the focus primarily on heavy metal contamination and the impact from increased concentration of these metals on diatom frustules, green algae and other protist organisms. The most common cause of teratological changes comes from heavy metals and the impact of them along with toxicity are analyzed here. What changes is the teratology at the intracellular level and the protist organism morphology, where the cause of the changes can be traced to these heavy metals. The thesis also compares the impact of the heavy metals among different protist organism groups and between each of them. It contains suggested phycoremediation, which in the future could be an ecological solution for the cleanup of rivers and streams. Keywords: fluctuation asymmetry, developmental instability, geometric morphometrics, teratologies, diatoms, morphological asymmetries, biomonitoring
Dynamics and structure of diatom communities in glacier and/or groundwater-fed streams.
Prüherová, Alžběta ; Kulichová, Jana (advisor) ; Žárský, Jakub (referee)
Alpine streams and their algal communities have been increasingly challenged in recent years by the effects of climate change, particularly associated with glacier retreat and their melting. Glaciers in particular are an important hydrological source for alpine ecosystems, which are threatened by rising temperatures, that are more influential in these areas than at lower altitudes. Due to the ongoing retreat of glaciers, glacier meltwater is increasingly being added to tributary streams. This glacier water has significantly different characteristics and may thus be a significant contributor to changes in the diatom biodiversity of alpine aquatic ecosystems. The manipulated experiment of this thesis took place from July to September 2020 in the Swiss Alps. Using permanent diatom slides created out of samples taken from the experimental channels, changes occurring when glacier meltwater was added to ground water-fed tributary streams and changes occurring when ground water was added to glacier-fed streams were analysed. Changes in diatom abundances were compared with environmental factors such as temperature, pH, turbidity or conductivity. Glacial streams were characterised by significantly lower temperature, higher values of conductivity and turbidity, higher oxygen saturation and also higher pH...
Vliv vybraných kyselin na senzorické vnímání kyselosti
Kulichová, Jana
This thesis was prepared at the Institute of Post-Harvest Technologies of Horticulture at the Faculty of Horticulture of the Mendel University in Brno in years 2013/2014. It focuses on the physiological and anatomical descriptions of sensory organs with emphasis on the physiology of taste perception and on methods which are used for sensory analysis of foodstuffs. A section of the thesis speaks about selected organic acids (citric, lactic, tartaric and malic) which were used in it's experimental part. The practical part of the thesis is aimed at researching the influence of various acids on perception of the intensity of acidic taste, by applying the following methods of sensory analysis -- pair test, the graphic scale evaluation method and sequential test. Also the synergetic and antagonistic relations between citric acid, tannin, saccharose and sodium chloride were examined in one of the experiments.
Natural wastewater treatment plant project for the municipality of Hačky
Kulichová, Jana ; Pumprlová Němcová, Miroslava (referee) ; Kriška-Dunajský, Michal (advisor)
The aim of the thesis is research, description, and subsequent calculation and design of the natural wastewater treatment plant. The conclusion is the processing of project documentation. The thesis is divided into the theoretical and practical parts. In the theoretical part, the aim is a general description of the location and research of natural wastewater treatment plant technologies for small municipalities. In the practical part, there is designed project documentation, which will be used as an input basis for zoning management and building permit.
Niche width of eukaryotic marine phytoplankton with respect to recent and future climate change.
Junková, Natálie ; Kulichová, Jana (advisor) ; Neustupa, Jiří (referee)
This paper describes the concept of niche breadth of photoautotrophic protists and attempts to introduce us to the basic concepts we may encounter when studying the ecological niche. The review clarifies what a niche is and its components fundamental and realized niche and presents some examples of organisms that are specialists or generalists. It uses diatoms, dinoflagellates and Haptophytes to describe how they can be affected by climate change. Since the number of environmental changes is steadily increasing, it is very difficult to predict the changes in the coexistence of generalists and specialists. The thesis presents some of the main methods used in measuring the width of the ecological niche of protists, which can be MaxEnt, ONE and the most frequently mentioned OMI (outlying mean index) method, which is described in more detail in the thesis. Given the focus of the thesis on photoautotrophic marine plankton, the most frequently mentioned organisms are diatoms, dinoflagellates and Haptophyta. Finally, I summarize the main ocean factors that could be affected by climate change, which are mainly pH, temperature, salinity or the amount of available nutrients (carbon, nitrogen, phosphorus, silicon and iron).
Changes in biological monitoring of running waters using benthos with respect to diatoms
Fiedler, Jan ; Kulichová, Jana (advisor) ; Tichá, Anna (referee)
This work focuses on the development of a methodological approach to biomonitoring of running waters using benthic organisms. It discusses the development from methods focused on determining organisms by their external appearance to modern biomonitoring based on the determination of organisms by eDNA metabarcoding. Modern metagenomic methods (genomics, transcriptomics, metabolomics and proteomics) are also mentioned. This thesis compares the development of ecological status assessment of freshwater ecosystems using diatoms and invertebrates. It also describes the common points of their methodological development. Another outcome of the comparison is information on which hydrochemical and geochemical environmental factors can be easily monitored by diatoms and which by macroscopic invertebrates. Furthermore, a prognosis for the further development of biomonitoring is mentioned in the conclusion. It is formulated as a synthesis of traditional methods based on morphological species determination, biomonitoring 2.0 (using eDNA metabarcoding) and metagenomic methods. Key words: autecology, morphospecies, sequencing, biotic index, pollution
The role of microhabitats in spatio-temporal differentiation of freshwater algal assemblages
Pusztai, Martin ; Němcová, Yvonne (advisor) ; Kulichová, Jana (referee)
This thesis deals with microhabitats in relation to the spatio-temporal differentiation of freshwater algal assemblages. Algae are defined ecologically, althought they represent a diverse polyphyletic conglomerate. Based on the available literature, type of substrate appears as a suitable representative of most freshwater microhabitats when comparing results from different studies. Influence of microhabitat may occur not only on a small spatial scale, but also on a regional scale. The importance of scale and traceability of different factors are further discussed as well as the appropriate definition of the microhabitat. Microhabitats diversity is often reflected in the spatial heterogeneity of algal assemblages. Based on the common trends in the algal life strategies, erosional and depositional substrates can be distinguished. Living substrates, especially macrophyte surfaces represent a special category of microhabitats. Algae can enter complex interactions with these living substrates.Temporal dynamics is relatively less explored in comparison with the spatial heterogeneity.

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