The Bay Glossary

Ecosystem
A group of plants and animals that depend on each other to survive

Erosion
The wearing away of land surfaces by the movement of water, wind, or waves.

Estuary
A special ecosystem formed where fresh water and sea water meet and intermingle

Filter
To clean water or other liquid by removing particles

Hatchery
A place where scientists can hatch and raise fish and shellfish

Nutrient
A nourishing substance. Too many nutrients in the Bay cause algae to grow, which is harmful to other plants and animals living in the Bay.

Oyster Dredge
A harvesting tool that is dragged along an oyster bed to collect oysters. Oyster dredges can damage Bay grass beds.

Oyster Bed
A flat area on the Bay floor where oysters are clustered

Runoff
Precipitation or other water that flows off the land into streams, rivers, and the Bay

SAV (Submerged Aquatic Vegetation)
Another name for grasses that grow under the water

Sediment
Rocks and dirt that run off into the Bay

Shad
A type of fish that lives in the Chesapeake Bay

Tributaries
Streams or rivers that flow into another body of water

Waterman
A person who earns his livelihood by fishing, crabbing, or oystering on the Chesapeake Bay.

Watershed
All the land that drains rainfall into a waterway

Chesapeake: A Bay Trippers Adventure is broadcast by MPT's K-12 Educational Video Service.
Click here to check the schedule.