Nutrient pollution

Nutrient pollution

Nutrient pollution Phytoplankton such as algae absorb nutrients such as nitrogen and phosphorus . They need these to grow, just like we do. Nutrients in natural water bodies come from land runoff (through streams, rivers and groundwater) and from rain. Algae are very important. They produce oxygen and they are food for microscopic plankton and fish. When a lot of nutrients are added to a water body in a short time, algae can grow much quicker than they are eaten. This rapid growth of algae is called an algal bloom . A marine food web. Can you think of other food webs?