Estuary Review

Front

What is an estuary?

Back

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

Front

What is salinity?

Back

Salinity is the measure of the amount of salt in water, which is a key factor distinguishing marine, freshwater, and estuary habitats.

Front

What are the two main types of tides?

Back

The two main types of tides are spring tides and neap tides.

Front

What causes neap tides?

Back

Neap tides occur when the sun and moon are at right angles to each other, resulting in lower high tides and higher low tides.

Front

What is the intertidal zone?

Back

The intertidal zone is the area of the shoreline that is exposed to the air at low tide and submerged at high tide.

Front

What is the significance of estuaries?

Back

Estuaries are important ecosystems that provide habitat for wildlife, protect coastlines, and filter pollutants from water.

Front

What types of organisms are commonly found in estuaries?

Back

Estuaries are home to a variety of organisms, including fish, birds, crabs, and plants that are adapted to both saltwater and freshwater.

Front

What is the difference between saltwater and freshwater?

Back

Saltwater contains a higher concentration of dissolved salts, primarily sodium chloride, while freshwater has a low concentration of salts.

Front

What is a tidal zone?

Back

A tidal zone is a coastal area that experiences regular changes in water level due to tides.

Front

What is the role of the moon in tides?

Back

The moon's gravitational pull is the primary force that causes tides, creating bulges of water on the Earth's surface.