abstract
algae
background
bacteria
beautiful
beauty
biofilm
biology
bloom
blue
bluegreen
color
covered
cyanobacteria
dirty
ecology
environment
environmental
floating
flora
flowering
grass
green
growth
harmful
lake
landscape
liquid
natural
nature
nobody
organic
outdoor
pattern
plant
polluted
pollution
pond
problem
river
scum
sea
sky
summer
surface
swamp
texture
vegetation
view
water
定額
Water pollution by blooming blue-green algae - Cyanobacteria is world environmental problem. Water bodies, rivers and lakes with harmful algal blooms. Ecology concept of polluted nature.の素材 [FY310175264035]
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