Seasonal changes of an oligochaetous Clitellata (Annelida) community in a mountain stream

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Authors	SCHENKOVÁ Jana KROČA Jiří
Year of publication	2007
Type	Article in Periodical
Magazine / Source	Acta Universitatis Carolinae : Environmentalica
MU Faculty or unit	Faculty of Science
Citation
Field	Ecology
Keywords	oligochaetous Clitellata;community structure;Pristinella bilobata;seasonal dynamics
Description	Oligochaetous Clitellata (Annelida) were studied during the years 2003-2004 in the Morávka River, a second order stream in the Moravskoslezské Beskydy Mts. Samples were taken monthly at six sampling points situated along a 110 m river stretch, and water temperature, pH and conductivity were recorded. Altogether 1438 individuals of Annelida belonging to 13 species of oligochaetous Clitellata and one species of Aphanoneura were found. Multivariate analysis (CCA) revealed that temperature and the nominal variables winter and autumn were significant for explaining seasonal changes in the community structure. Pristinella bilobata (Naididae) was recorded for the first time in the Czech Republic and its seasonal dynamics were evaluated.
Related projects:	Diversity of Biotic Communities and Populations: Causal Analysis of variation in space and time