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Vyhodnocení potenciálního využití chladnokrevných koní při rozvoji venkova
Hrabcová, Martina
Tato diplomová práce se zabývá vyhodnocením potenciálního využití chladnokrevných koní při rozvoji venkova a také způsobem jejich využití při ochraně a tvorbě krajiny a životního prostředí. V diplomové práci je zpracována analýza využití chladnokrevných koní v krajině a možný způsob jejich využití v každodenním životě lidí, žijících na venkově. V práci se nachází přehled stávajících dotačních programů, které probíhají, v oborech zemědělství, lesnictví, ochraně životního prostředí a v samotném chovu chladnokrevných koní a které se dají aplikovat při využívání práce koní na venkově.
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Hidden diversity and evolutionary trends in malacosporean parasites (Cnidaria: Myxozoa) identified using molecular phylogenetics
HRABCOVÁ, Martina
Malacosporeans represent only a minor part of the huge myxozoan diversity, accounting for more than 2000 species. In contrast to the remainder of the Myxozoa, malacosporeans cycle between vertebrate (fish) and invertebrate (bryozoans) hosts and are restricted to freshwater habitats. The present study applies light microscopy and molecular methods to scrutinize the morphology, prevalence, diversity, distribution as well as host and habitat preference of malacosporeans in fish hosts. Comprehensive phylogenetic analyses based on newly obtained malacosporean SSU rDNA sequences and those available in GenBank reveal important evolutionary trends in this group. The significant increase in malacosporean species richness unveiled in the present study points to a hidden biodiversity. Reasons for this cryptic species diversity, the potential existence of malacosporean life cycles in marine environment as well as the evolution of worm- and sac-like morphology in bryozoan host are discussed.
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Bilogy, life cycle and phylogeny of malacosporeans in fish and bryozoans
HRABCOVÁ, Martina
Malacosporeans (Myxozoa) comprising only three nominal species, cycle between vertebrate (fish) and invertebrate (bryozoans) host in freshwater aquatic ecosystems. This thesis is focused on in vitro cultivation of bryozoans, using algal cultures in order to investigate malacosporean life cycles via transmission experiments. Moreover, the biodiversity, prevalence, distribution, habitat/host preference and phylogenetic trends of malacosporeans in freshwater fish hosts are scrutinized using light microscopy and molecular methods. The potential existence of malacosporeans in marine bryozoans is also investigated.
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Biologie a genetická variabilita \kur{Cryptosporidium} mouse genotype I
HRABCOVÁ, Martina
This bachelor thesis studies the fundamental characteristics of biological and genetic diversity of two different isolates of Cryptosporidium mouse genotype I obtained during the field trapping of Mus musculus musculus and domesticus in the Czech Republic and Germany. The study deals with the morphometry of exogenous stages, the course of infection and pathological effects in the digestive tract of selected rodent host organisms.
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