Estuaries are partially enclosed bodies of water where freshwater from rivers mixes with saltwater from the ocean. They form unique habitats that support diverse plant and animal life due to the mixing of nutrients and high productivity.
Related terms
Brackish water: Water that is slightly salty, typically found in estuaries where freshwater and saltwater mix.
Tidal range: The difference in height between high tide and low tide in an area affected by tides.
Salt wedge estuary: An estuary where seawater flows beneath freshwater due to differences in density.