environmental
algal
algal bloom
background
bad ecology
biodiversity
bloom
blooming water
bluegreen algae
concept of pollution
contaminated
copy space
danger
diagonal flow
dirty
ecology
ecosystem
environment
environmental problems
flora
green
green algae
green water
harmful
hazard
industrial
industry
landscape
microorganism
natural
nobody
outdoor
oxygen deficiency
pattern
pellicle
phosphates
phytoplankton bloom
plankton
plankton bloom
plant
polluted
problem
river
scarcity of oxygen
slime
summer
surface
texture
water
water blooming
定額
Green algae and plankton gradually cover the surface of the blooming water, the concept of pollution of the water surface of the earth, copy space.の素材 [FY310152140566]
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