By David L. Ross
The Bird Zoo
Saltwater/ Marine Habitats/ Oceanic Coastal
Covering 70 percent of the earth's surface, oceans represent the largest of our biomes. These vast saltwater bodies surround our continents, stretch thousands of miles, and contain or touch upon many additional sub-biomes or habitat types. We know best the areas closest to the majority of mankind, these are the coast of our continents. Coastal habitats include beaches, bays, harbors, and estuaries. Estuaries are typically a marshy area where fresh water meets the sea. Where fresh water as in a river mixes with the saltwater we get a mix of slightly salty river water and less salty ocean water. This mix of fresh and salt waters is known as brackish water.
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