- Largest estuary in the United States, stretching over 200 miles from Susquehanna River to the Atlantic Ocean
- Forms major arm of Atlantic Ocean, extending into Maryland and Virginia
Salinity:
- Salinity levels vary widely: from nearly freshwater at headwaters to saline near mouth
- Influenced by saltwater flowing in from the ocean, freshwater from rivers and streams, and seasonal fluctuations
Geographic Setting:
- Rich in islands, marshes, wetlands, coves, rivers, and other habitats providing diverse ecosystems
- Home to various cities and towns, contributing to cultural and economic significance
- Surrounded by historic and scenic areas, including historic towns, lighthouses, and national wildlife refuges
Wildlife:
- Supports diverse wildlife, including various fish, birds, reptiles, amphibians, and mammals
- Important stop along Atlantic migratory bird route, providing critical stopover for millions of birds
- Home to various aquatic species of fish, shellfish, crabs, and other invertebrates
- Many threatened or endangered species, such as bald eagles, ospreys, and Atlantic sturgeon
Human Influence:
- Significant human impact, including pollution, overfishing, and habitat loss
- Efforts are made to restore and preserve the Bay's ecosystems through conservation, management, and restoration initiatives
- Serves as popular recreational area for boating, fishing, swimming, crabbing, and other activities
Overall, the combination of its size, salinity, geography, wildlife, and human influence makes the Chesapeake Bay a unique and valuable natural resource.