Estuaries

An estuary is a coastal ara where fresh piss from rivers and streams mixes with

salt water from the ocean. Many bays, sounds, and lagoons along coasts are estuaries.

Portions of rivers and streams connected to estuaries are as well as considered part of the

estuary. The land area from which fresh water drains into the estuary is its watershed.

Estuaries bewilder in all shapes and sizes, each unique to their location and climate. Bays,

sounds, marshes, swamps, inlets, and sloughs are all examples of estuaries.

        An estuary is a fascinating place from the largest landscape features to the smallest

microscopic organisms. When think an estuary from the air on is practically amazed by

dramatic river bends as freshwater finds its way back to the sea. The vast expanse of

marsh grasses or mudflats extend into calm waters that then follow the edit out of an

expansive barrier beach. Wherever there are estuaries, there is a unique beauty. As rivers

meet the sea, both ocean and land add to an ecosystem of specialized plants and

animals.

        At high tide, seawater changes estuaries, submerging the plants and flood creeks,

marshes, panes, mudflats or mangroves, until what once was land is now water.

Throughout the tides, the days and the years, an estuary is cradled betwixt outreaching

headlands and is buttressed on its vulnerable seaward side by fingers of sand or mud.

        Estuaries transform with the tides, the incoming waters manifestly bringing back to

life organisms that have sought shelter from their flitting exposure to the non-aquatic

world. As the tides decline, organisms return to their protective postures, receding into

sediments and adjusting to ever-changing temperatures.

        The community of life found on the land and in the water includes mammals, birds,

fish, reptiles, shellfish, and plants all interacting within complex food webs. Flocks of

shore...

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