ETYM Latin aestuarium, from aestuare to surge. Related to Estuate.
The wide part of a river where it nears the sea; fresh and salt water mix.
River mouth widening into the sea, where fresh water mixes with salt water and tidal effects are felt.
Estuaries are extremely rich in life forms and are breeding grounds for thousands of species. Water pollution threatens these ecosystems. + prikaži više