Algal blooms happen when too many chemicals containing nitrogen are washed into freshwater areas. What are the effects of significant algal blooms on ecosystems?
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Algal blooms itake oxygen present in the water led to the decrease in amount of oxygen and it covers the water body and block sun rays which are necessary for aquatic plants. Aquatic plants will not able to prepare there food .And when algal bloom decompose ,decomposers take more amount of oxygen which will led to the decrease in amount of oxygen and will be the reason for the death of fishes.
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