Estuaries

Estuaries are partially enclosed bodies of water where fresh

     water mixes with salty ocean water.

An ecosystem is a place where interaction between living

   things and non-living things occurs.

There are many different types of habitats that can be found in

   and around estuaries.

Estuaries provide rich feeding grounds for fish coastal fish

   and migratory birds.

Fresh water and salt marshes are types of habitat that can

  be found in and around estuaries.