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Invasive zooplankton species in Europe and factors influencing their occurence
Klečková, Barbora ; Sacherová, Veronika (advisor) ; Šorf, Michal (referee)
In Europe, there are at least 8 invasive species of freshwater zooplankton: rotifers Kellicottia bostoniensis (Rousselet, 1908) and Lecane decipiens (Murray, 1913), copepods Acanthocyclops americanus (Marsh, 1892), Boeckella triarticulata (Thomson, 1883) and Skistodiaptomus pallidus (Herrick,1879), and cladocerans Pleuroxus denticulatus Birge, 1879, Daphnia ambigua Scourfield, 1946 and Daphnia parvula Fordyce, 1901. These invasive species must face various combinations of factors in non-native environments, which can influence their occurrence,andtheir presence canhave negative impacts onnative communities in some cases. The most significant invasions seem to be those of species from North America. The first part of this work summarizes knowledge about these 8 species, mainly about the factors that appear to be limiting their occurrence. Among the best-studied invasive species in Europe are cladocerans Daphnia ambigua and Daphnia parvula, whose presence has been extensively studied in the Czech Republic at the turn of the 21st century. Therefore, the second part of this work also thoroughly examines the factors that may play a significant role in the colonization of waters by these species in Central Europe. Key words: European invasive zooplankton species, biotic factors, abiotic factors,...
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