Wetlands play a crucial role in water purification due to their ability to filter out pollutants and sediments from water. They act as natural sponges, absorbing excess nutrients like nitrogen and phosphorus, heavy metals, and other contaminants from runoff water before it reaches larger water bodies. Wetlands also provide habitat for various plant species and microorganisms that break down pollutants, helping to improve water quality. Overall, wetlands are essential for maintaining clean and healthy water systems.
