algal community algae 12 Antarctica 8 Cyanobacteria 8 Algae 6 Bacillariophyta 6 Argentina 4 Bacteria (microorganisms) 4 Biodiversity 4 Chlorophyceae 4 Chlorophyta 4 Parana River 4 Phytoplankton 4 South America 4 Wetlands 4 community structure 4 lake ecosystem 4 lentic environment 4 phytoplankton 4 primary production 4 species diversity 4 Algal assemblages 2 Algal associations 2 Algal mats 2 Antarctic Peninsula 2 Antarctica, Danco Coast, Cierva Point 2 Bacillariophyceae 2 Bacteria 2 Bacterioplankton production 2 Benthic algae 2