• It is enrichment of the nutrient

• In this process lakes get infested by a algae and gradually slits up to become more shallower, due to continuous entry and recycling of nutrient in it

Measures to control Eutrophication

• By reducing the excess doses of fertilizers

• By reducing the soil erosion

• By conserving water and also the energy

• By proper maintenance of sewage water treatment plants and septic tanks , the leakage must be reduced

• By having regular cleaning of the ponds, lakes and rivers