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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Effect of temperature on emergence of cercariae
 ŠAROUNOVÁ, Petra
The influence of water temperature on cercarial emission of three trematode species parasitising freshwater first intermediate hosts, was studied in laboratory conditions: Echinoparyphium aconiatum from Lymnaea stagnalis; Neoglyphe locellus from Planorbarius corneus; and Echinostoma miyagawai from Planorbis planorbis. The study provided evidence for increase in cercarial emission with temperature increase and revealed both interspecific and intraspecific variations.
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Is there a soldier cast in freshwater echinostome trematodes?
 ROHÁČOVÁ, Jana
Novel data on the morphology and size of the daughter rediae of the echinostomatid trematode, Echinostoma spiniferum, is provided and their distributions within the first intermediate snail host, Planorbarius corneus, is analysed to test some of the hypotheses of Hechinger et al. (2010) for the existence of social organisation in trematodes.
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Composition and structure of larval trematode communities in model freshwater pulmonate gastropods in eutrophic environments in Central Europe
 SOLDÁNOVÁ, Miroslava
This work applies advanced sampling (mark-release-recapture) and comparative approaches addressing the patterns in composition, structure and variability of larval trematode communities in three species of gastropod molluscs (Lymnaea stagnalis, Planorbarius corneus and Radix auricularia) at two nested scales of community organisation in typical Central European eutrophic environments. Hypothesis-testing with the application of null-model analyses, logistic regression modelling and multivariate randomisation techniques, revealed determinants of transmission rates, levels of infection and community structure in freshwater snail hosts in Central Europe and elucidated the mechanisms linking the spatial and temporal environmental variability with the action of complex community assembly rules in freshwater pulmonate snails.
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