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Circos representation of algal community at phyla level. The bands in the same urban lakes with different colors demonstratethe source of different phyla. (A) Chlorophyta, (B) Bacillariophyta, (C) Cyanophyta, (D) Dinophyta, (E) Euglenophyta, (F) Cryptophyta. The data were visualized via Circos software (http://circos.ca/).
