Ann. Limnol. - Int. J. Lim.
Volume 43, Number 3, 2007
|Page(s)||179 - 186|
|Published online||15 January 2009|
Comparative study of periphytic ciliate communities and succession on natural and artificial substrata in two shallow lakes (Eastern Poland)
Department of Hydrobiology and Ichthyobiology, University of Agriculture, Dobrzańskiego 37, Lublin 20-262, Poland.
Corresponding author: email@example.com
The colonization and succession of periphytic ciliate communities on the natural (Phragmites australis and Typha Iatifolia) and artificial (glass slides) substrata were studied in 2 shallow lakes (Polesie Lubelskie, Eastern Poland). Sampling was done on a monthly basis from April to November 2003-2004. During each sampling occasion 6 periphton samples were collected from each type of substrata at 3 sites: the land/water contact zone, among emergent macrophytes, and at the emergent macrophytes/open water border. Irrespective of the type of substrate and trophic state, species number and densities of periphytic ciliates reached the highest value in the land/water contact zone and decreased in the direction of the area of emergent macrophytes/open water zone. In land/water contact zone, the biggest factors limiting the ciliate communities were temperature, conductivity, concentrations of total organic carbon and nutrient (Ptot and N-NH4). In turn, in the other 2 zones, the influence of chlorophyll a concentration increased.
Key words: shallow lakes / ciliates community / natural and artificial substrata / colonization
© Université Paul Sabatier, 2007
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