Descriptive of the transition where rivers meet the sea, and currents meet tides.
marshes along coastlines where salty sea water mixes with fresh water from the inland.
Partially enclosed bodies of water (this term includes bays, sounds, lagoons, and fjords); they are generally considered to begin at the upper end of tidal or saltwater influence and end where they meet the ocean.
parts of rivers where fresh river water mixes with salt water from the ocean
bodies of water along coasts that are formed when fresh water from rivers flows into and mixes with salt water from the ocean.
deepwater tidal habitats and adjacent tidal wetlands that are usually semi-enclosed by land but have open, partly obstructed, or sporadic access to the open ocean, and in which ocean water is at least occasionally diluted by freshwater runoff from the land.
Semi-enclosed coastal bodies of water with free connections with the open sea and within which seawater mixes with fresh water. They are located at the lower end of a river and are subject to tidal fluctuations.
Where the ocean and rivers meet and mix. Estuaries are very important for fish and shellfish production, especially in providing nursery habitat.
The areas of inlets or mouths of rivers which are influenced by the tides and where salt and fresh water mixes.