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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
The influence of management on biodiversity of vertebrates model groups - small mammals
 KOUTNÍKOVÁ, Lenka
This bachelor{\crq}s work: The influence of management on biodiversity of vertebrates model groups {--} small mammals, creates a part of a large study focused on an assessment of influence of different agricultural management on ecological functions and water fluxes in the landscape of spring water areas in Bohemian forest. The bachelor{\crq}s work is based on a hypothesis that management influences among others also biodiversity of the locality. Small terrestrial mammals are one of the vertebrate groups, which diversity is a good indicator for momentary quality of environment. It is given by their good reproduction capacity and ability of invasion. The aim of this work is to compare the small mammals{\crq} biodiversity of three small catchments with different management. The theoretical part contains literary review of the small mammals{\crq} occurrence in Bohemian forest, their microhabitat preferences and the influence of management on their communities diversity. In the practical part, data from three live-trappings realized during the summer and autumn 2007 were evaluated. The greatest diversity and abundance of small mammals were recorded in the forested catchment of Bukový potok. By contrast, we captured no individual of small mammal in the drained Mlýnský potok catchment, which is used as a pasture. The theme was supported by a project MSM 6007665806.
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Diversity of Cryptosporidium spp. infecting rodents from subfamily Arvicolinae in the Czech Republic
 HÁJKOVÁ, Ivana
Abstract In order to examine the prevalence of Cryptosporidium in wild Arvicolinae in the Czech Republic and understand the role that wild rodents play in the transmission of this parasite to humans and livestock, 152 faecal samples from 129 common voles (Microtus arvalis) and 23 bank voles (Clethrionomys glareolus) were collected on 9 localities in 2012. All samples were examined for presence of Cryptosporidium sp. using both the aniline-carbol-methyl violet staining method and molecular tools. The age, sex and faecal consistency were noted at the time of sampling. Microscopical examination revealed the presence Cryptosporidium sp. oocysts in 2 samples originated from common voles and 2 samples from bank voles. Genotyping was done through PCR amplification and characterization of the SSU rRNA and actin loci. Cryptosporidium specific DNA was detected in 10 samples (4 from common voles and 6 from bank voles) including those microscopically positive. Cryptosporidium infection was not linked to diarrhoea. Sequence and following phylogeny analyses revealed two new Cryptosporidium genotypes originated from bank voles and two new genotype from common vole, phylogeneticaly distinct from known species and genotypes. The host specificity needs to be verified by experimental infection in the future.
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