英文關鍵字
alga
algae
algal
amazon
anthropogenic
background
bad
biology
bloom
blooming
boat
closeup
dirt
dirty
ecology
enrichment
environment
environmental
eutrophication
filamentous
fish
flora
green
impact
industrial
kill
lake
leaf
marsh
movement
mud
nature
ocean
organism
pattern
peru
plant
polluted
pollution
pond
pool
rotting
seaweed
slime
stagnant
suffocatio
summer
surface
swamp
trip
water
waters