Eutrophication ·
How Fertilizer Suffocates a Lake
un
seel
.com · nutrient runoff · algal bloom · hypoxia · dead zone
Limiting nutrient
Phosphorus
Hypoxia line
O₂ < 2 mg/L
phase
—
N & P runoff
Algal bloom
Dead algae / bacteria
Dissolved O₂
Anoxic dead zone
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.com · Eutrophication