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Amphora ovalis (1) |
artificial lakes (1) |
Aulacoseira granulata (1) |
Bacillaria paxillifer (1) |
Bacillariophyceae (1) |
Cocconeis placentula (1) |
Craticula perrotettii (1) |
Cyclotella meneghiniana (1) |
environmental surveys (1) |
flora (1) |