英文關鍵字
algae
aquatic
system
artificial
biomass
bloom
blooming
concept
contaminated
contamination
danger
dirty
ecology
ecosystem
effect
environment
environmental
damage
impact
eutrophia
eutrophication
fertilizers
global
green
hypoxia
issue
marine
negative
nitrates
nutrients
oxygen
phosphates
polluted
pollution
problem
reduction
safety
sewage
smell
smelly
stink
stinks
substances
toxic
warning
waste
water