Fottea 8(2): 133-146, 2008 | DOI: 10.5507/fot.2008.012

Epipelic cyanobacteria and algae: a case study from Czech ponds.

Petr Hašler1, Jana Štěpánková1, Jana Špačková1, Jiří Neustupa2, Miloslav Kitner1, Petr Hekera3, Jana Veselá2, Jaroslav Burian4, Aloisie Poulíčková1
1 Department of Botany, Faculty of Science, Palacký University, Svobody 26, CZ-771 46 Olomouc, Czech Republic
2 Department of Botany, Faculty of Science, Charles University, Benátská 2, CZ-128 01 Prague 2, Czech Republic
3 Department of Ecology, Faculty of Science, Palacký University,Šlechtitelů 11, CZ-783 71 Olomouc, Czech Republic
4 Department of Geoinformatics, Faculty of Science, Palacký University, Svobody 26, CZ-771 46 Olomouc, Czech Republic

The present paper focuses on the epipelic cyanobacteria and algae (particularly desmids). Altogether 45 sediment samples were taken at ponds covering a pH/conductivity and trophic gradients. Statistic evaluation based on environmental variables measured, divided localities into four major groups differing also by sediment quality and its algal flora. Altogether 39 cyanobacterial species were found including sedimented planktic or litoral forms, with prevalence of motile filamentous genera (Komvophoron, Oscillatoria, Phormidium, Pseudanabaena). Although, the majority of 42 desmid taxa belongs to commonly occurring species with a wide ecological amplitude, several remarkable taxa occurred mostly at oligo/dystrophic sites with sandy sediments. The highest species richness of euglenophytes was found on the muddy sediments (both oxygenated and anoxic). Other epipelic organisms were represented by Gymnodinium aeruginosum, Paulinella chromatophora and various protozoa, feeding on epipelic algae (Amoeba, Urceolus cyclostomus).

Keywords: epipelon, cyanobacteria, desmids, ecology

Received: January 8, 2008; Accepted: May 20, 2008; Published: September 1, 2008Show citation

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Hašler, P., Štěpánková, J., Špačková, J., Neustupa, J., Kitner, M., Hekera, P., ... Poulíčková, A. (2008). Epipelic cyanobacteria and algae: a case study from Czech ponds. Fottea, 8(2), 133-146. doi: 10.5507/fot.2008.012
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