Question

Effect of algal bloom on fish production

Answer 1

algal Bloom is a condition when many unwanted plants and wheat grow because of the high usage of fertilizers in the soil which when washed comes into the pond and provide nutrition to the unwanted plants due to which the fishes do not get enough Oxygen and sunlight because it is blocked by the unwanted plants

Answer 2

algal bloom decreases the amount of oxygen dissolved in water so when the amount of fertilzers increase it increases
the amount of algal bloom hence decreasing the amount of dissolved oxygen therefore causing decrease in fish or aquatic life .