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Learn the Issues

There are many problems facing the Chesapeake Bay. The major pollutant to the Bay is excess nutrients, which come from agriculture, urban/suburban runoff, vehicle emissions and many other sources. Excess nutrients fuel the growth of algae blooms, which block sunlight that underwater bay grasses need to grow. When algae die, they are decomposed in a process that depletes the water of oxygen, which all aquatic animals need to survive. Learn more about some of the issues facing the Chesapeake Bay:

Bay Grasses

Wild celery and coontail are two species of bay grasses that grow in the shallow waters of the Chesapeake Bay. (Chesapeake Bay Program)

Bay grasses are plants that grow underwater. They are found in the shallow waters of the Chesapeake Bay and its streams, creeks and rivers. Bay grasses are also known as submerged aquatic vegetation or SAV. Bay grasses are a critical part of the Chesapeake Bay ecosystem. They provide underwater life with food and habitat, absorb nutrients, trap sediment, reduce erosion, and add oxygen to the water. Bay grasses are an excellent measure of the Bay’s overall condition because their health is closely linked with the Bay’s health. Pollution and extreme weather conditions are two factors that hinder bay grass growth. Improving water clarity is the most important part of bay grass restoration because bay grasses need sunlight to grow.


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