cyanobacteria, cyanobacteriota or cyanophyta a layer on the water surface

cyanobacteria cyanobacteriota cyanophyta layer water surface pollution macro abstract algae bloom algal aquaculture background bacteria bacterium biomass biotechnology bubbles carbon dioxide footprint cells climate change close closeup co2 design ecology ecosystem emissions environment fishing floral fresh global warming green growth industrial industry microscope nature plants poison sewage treatment sustainability texture toxic toxins wallpaper micro