Eutrophication 0.0 / 5 ? BiologyEcology and Environmental ScienceGCSEEdexcel Created by: Fiza.Ahmed_Created on: 22-01-16 16:59 Eutrophication 1 of 6 Step 1 The Fertilisers are washed into the lakes and rivers when it rains. 2 of 6 Step 2 The increase of Nitrates and Phosphates in the water increases algae growth . The Algae form a bloom over the water surface. 3 of 6 Step 3 The sunlight can't reach the plants which then die as they can't Photosynthesise. 4 of 6 Step 4 Bacteria break down the dead plants. The Bacteria use up the oxygen in the water during respiration causing organisms to die. 5 of 6 The End Done :) 6 of 6
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