Estuaries/Watershed/Wetlands - 3AAA

Front

What is an estuary?

Back

An estuary is a coastal area where freshwater from rivers meets and mixes with saltwater from the ocean, creating a unique ecosystem.

Front

What are the main types of estuaries?

Back

The main types of estuaries include bays, lagoons, and mangrove swamps.

Front

What is salinity and how does it change in an estuary?

Back

Salinity is the concentration of salt in water. In an estuary, salinity fluctuates due to the mixing of freshwater and saltwater, and it generally decreases when moving upstream.

Front

What is a barrier beach?

Back

A barrier beach is a linear strip of land attached to the shoreline that acts as a wall between the ocean and freshwater from rivers.

Front

What is a salt wedge in an estuary?

Back

A salt wedge is a layer of saltwater that forms in an estuary, where freshwater is less dense and floats on top of the denser seawater.

Front

Can sharks live in estuaries?

Back

Yes, sharks can live in estuaries as they can tolerate varying salinity levels.

Front

What role do wetlands play in the ecosystem?

Back

Wetlands act as natural water filters, provide habitat for wildlife, and help in flood control by absorbing excess water.

Front

What is the difference between a lagoon and an estuary?

Back

A lagoon is a shallow body of water separated from a larger body of water by a barrier, while an estuary is where freshwater meets saltwater.

Front

How do human activities impact estuaries?

Back

Human activities such as pollution, development, and overfishing can degrade estuarine ecosystems and disrupt their natural balance.

Front

What is the importance of estuaries for fish populations?

Back

Estuaries serve as nurseries for many fish species, providing a safe environment for young fish to grow and develop.