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Current occurrence of eyebright (Euphrasia) in the Krkonoše (Giant) Mountains and the evaluation of the effect of the time of mowing
Blahník, Jan ; Krahulec, František (advisor) ; Mudrák, Ondřej (referee)
At the time the Black and Red List of the Vascular Plants of the Krkonoše (Giant) Mountains was being compiled it was found that no information was available about the distribution of eyebright (Euphrasia) or other facts concerning this hemiparasite growing in the Krkonoše. The aim of this work was to fill the gap. This was to be done by creating a GIS layer with the current distribution of eyebright in the mountains, by analysing the soils taken in places of eyebright occurrence, in neighbouring places and those closely resembling them but without eyebright. The soils were taken each time from five places in the particular locality and were analysed as a mixed sample. In all, 107 mixed soil samples were taken, of which 53 in places where eyebright occurred and in 54 similar places where eyebright was absent. Eyebright grows in places with a higher pH and it performs better in lower available phosphorus concentration. Management test was used to test the earlier time of mowing meadows containing eyebright, when a larger number of flowering eyebright occurs among the plants in comparison with the number of flowering eyebright on surfaces mown at a later time.; Management testing was carried out from June to July 2011 in six localities, with five plots in each locality, in the Eastern and Western...
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Current occurrence of eyebright (Euphrasia) in the Krkonoše (Giant) Mountains and the evaluation of the effect of the time of mowing
Blahník, Jan
At the time the Black and Red List of the Vascular Plants of the Krkonoše (Giant) Mountains was being compiled it was found that no information was available about the distribution of eyebright (Euphrasia) or other facts concerning this hemiparasite growing in the Krkonoše. The aim of this work was to fill the gap. This was to be done by creating a GIS layer with the current distribution of eyebright in the mountains, by analysing the soils taken in places of eyebright occurrence, in neighbouring places and those closely resembling them but without eyebright. The soils were taken each time from five places in the particular locality and were analysed as a mixed sample. In all, 107 mixed soil samples were taken, of which 53 in places where eyebright occurred and in 54 similar places where eyebright was absent. Eyebright grows in places with a higher pH and it performs better in lower available phosphorus concentration. Management test was used to test the earlier time of mowing meadows containing eyebright, when a larger number of flowering eyebright occurs among the plants in comparison with the number of flowering eyebright on surfaces mown at a later time.; Management testing was carried out from June to July 2011 in six localities, with five plots in each locality, in the Eastern and Western...
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Current occurrence of eyebright (Euphrasia) in the Krkonoše (Giant) Mountains and the evaluation of the effect of the time of mowing
Blahník, Jan
At the time the Black and Red List of the Vascular Plants of the Krkonoše (Giant) Mountains was being compiled it was found that no information was available about the distribution of eyebright (Euphrasia) or other facts concerning this hemiparasite growing in the Krkonoše. The aim of this work was to fill the gap. This was to be done by creating a GIS layer with the current distribution of eyebright in the mountains, by analysing the soils taken in places of eyebright occurrence, in neighbouring places and those closely resembling them but without eyebright. The soils were taken each time from five places in the particular locality and were analysed as a mixed sample. In all, 107 mixed soil samples were taken, of which 53 in places where eyebright occurred and in 54 similar places where eyebright was absent. Eyebright grows in places with a higher pH and it performs better in lower available phosphorus concentration. Management test was used to test the earlier time of mowing meadows containing eyebright, when a larger number of flowering eyebright occurs among the plants in comparison with the number of flowering eyebright on surfaces mown at a later time.; Management testing was carried out from June to July 2011 in six localities, with five plots in each locality, in the Eastern and Western...
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Current occurrence of eyebright (Euphrasia) in the Krkonoše (Giant) Mountains and the evaluation of the effect of the time of mowing
Blahník, Jan ; Krahulec, František (advisor) ; Mudrák, Ondřej (referee)
At the time the Black and Red List of the Vascular Plants of the Krkonoše (Giant) Mountains was being compiled it was found that no information was available about the distribution of eyebright (Euphrasia) or other facts concerning this hemiparasite growing in the Krkonoše. The aim of this work was to fill the gap. This was to be done by creating a GIS layer with the current distribution of eyebright in the mountains, by analysing the soils taken in places of eyebright occurrence, in neighbouring places and those closely resembling them but without eyebright. The soils were taken each time from five places in the particular locality and were analysed as a mixed sample. In all, 107 mixed soil samples were taken, of which 53 in places where eyebright occurred and in 54 similar places where eyebright was absent. Eyebright grows in places with a higher pH and it performs better in lower available phosphorus concentration. Management test was used to test the earlier time of mowing meadows containing eyebright, when a larger number of flowering eyebright occurs among the plants in comparison with the number of flowering eyebright on surfaces mown at a later time.; Management testing was carried out from June to July 2011 in six localities, with five plots in each locality, in the Eastern and Western...
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The Black and Red lists of the Giant Mountains flora: Do the extinct and endangered plants have common properties?
Blahník, Jan ; Čihař, Martin (referee) ; Krahulec, František (advisor)
A list of extinct and endangered species of the Giant Mountains was published in 2009, which presents a uniform view of vascular plants on the Polish and the Czech sides of the mountains. This Bachelor's Thesis is focused on the most endangered and the extinct species, for which common properties were sought, while it was not clear, whether such properties actually existed. The Bachelor's Thesis evaluates factors that could be traced in literature. Data concerning the type of propagation, which is of key importance for the maintenance of species, however, are not stated in literature for the absolute majority of cases. Easily traceable data concerned the properties of the subsoil, biotope types and properties, life form (was not eventually evaluated), phytogeographic areas, degrees of vegetation and endemism. It cannot be expected that a comparison of the results would show conformity anywhere in the region of 100%, yet certain signs of common properties can be deduced from some results. For example, for one-fifth to one-third of C1 and A1 category species a common property is an acid substrate, 30-40% of C1 category species occur in oreophytic areas, for some 30% of extinct and endangered species, the common sign is their occurrence in meadow sites, 30-40% of critically endangered species occur in...
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