Eutrophication 1
Too much fertiliser- goes into rivers and lakes
Eutrophication 2
Fertiliser increases plant growth
Eutrophication 3
Algae grow rapidly on the surface of the water
Eutrophication 4
Algae blocks out sunlight for other plants
Eutrophication 5
Bacteria feeding on dead plants use up oxygen
Eutrophication 6
Fish may then die due to lack of oxygen
What does fertiliser do?
Increases plant growth
What does Anoxic mean?
Water lacking oxygen