The Temperate Northern Atlantic is a

biogeographic Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, ...

region of the Earth's seas, comprising the temperate and subtropical waters of the

North Atlantic Ocean The Atlantic Ocean is the second largest of the world's five oceanic divisions, with an area of about . It covers approximately 17% of Earth's surface and about 24% of its water surface area. During the Age of Discovery, it was known for se ...

and connecting seas, including the

Mediterranean Sea The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern Eur ...

Black Sea The Black Sea is a marginal sea, marginal Mediterranean sea (oceanography), mediterranean sea lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bound ...

, and northern

Gulf of Mexico The Gulf of Mexico () is an oceanic basin and a marginal sea of the Atlantic Ocean, mostly surrounded by the North American continent. It is bounded on the northeast, north, and northwest by the Gulf Coast of the United States; on the southw ...

. It is a marine realm, one of the great biogeographic divisions of the world's ocean basins.Spalding, Mark D., Helen E. Fox, Gerald R. Allen, Nick Davidson ''et al'' (2007). "Marine Ecoregions of the World: A Bioregionalization of Coastal and Shelf Areas". ''Bioscience'' Vol. 57 No. 7, July/August 2007, pp. 573–58

/ref> The tropical waters of the Atlantic Ocean, Gulf of Mexico, and Caribbean Sea are part of the Tropical Atlantic marine realm. To the north, the Temperate North Atlantic transitions to the

Arctic The Arctic (; . ) is the polar regions of Earth, polar region of Earth that surrounds the North Pole, lying within the Arctic Circle. The Arctic region, from the IERS Reference Meridian travelling east, consists of parts of northern Norway ( ...

realm.

Subdivisions

The Temperate Northern Atlantic realm is divided into six marine provinces. Five of the provinces are further divided into marine ecoregions. The Black Sea is both a province and an ecoregion.

Northern European Seas

* South and West Iceland * Faroe Plateau *

Southern Norway Southern Norway (; lit. "The Southland") is the geographical List of regions of Norway, region (''landsdel'') along the Skagerrak coast of southern Norway. The region is an informal description since it does not have any governmental function ...

* Northern Norway and Finnmark *

Baltic Sea The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by the countries of Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden, and the North European Plain, North and Central European Plain regions. It is the ...

North Sea The North Sea lies between Great Britain, Denmark, Norway, Germany, the Netherlands, Belgium, and France. A sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian Se ...

* Celtic Seas

Lusitanian

* South European Atlantic Shelf * Saharan Upwelling * Azores Canaries Madeira

Mediterranean Sea The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern Eur ...

Adriatic Sea The Adriatic Sea () is a body of water separating the Italian Peninsula from the Balkans, Balkan Peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto (where it connects to the Ionian Se ...

Aegean Sea The Aegean Sea is an elongated embayment of the Mediterranean Sea between Europe and Asia. It is located between the Balkans and Anatolia, and covers an area of some . In the north, the Aegean is connected to the Marmara Sea, which in turn con ...

Levantine Sea The Levantine Sea () is the easternmost part of the Mediterranean Sea. Geography The Levantine Sea is bordered by Turkey in the north and north-east corner, Syria, Lebanon, Israel, and Palestine in the east, Egypt in the south, and the Aegean ...

* Tunisian Plateau-

Gulf of Sidra The Gulf of Sidra (), also known as the Gulf of Sirte (), is a body of water in the Mediterranean Sea on the northern coast of Libya, named after the oil port of Sidra or the city of Sirte. It was also historically known as the Great Sirte or G ...

Ionian Sea The Ionian Sea (, ; or , ; , ) is an elongated bay of the Mediterranean Sea. It is connected to the Adriatic Sea to the north, and is bounded by Southern Italy, including Basilicata, Calabria, Sicily, and the Salento peninsula to the west, ...

Western Mediterranean The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern Eur ...

Alboran Sea The Alboran Sea is the westernmost portion of the Mediterranean Sea, lying between the Iberian Peninsula and the north of Africa (Spain on the north and Morocco and Algeria on the south). The Strait of Gibraltar, which lies at the west end of the ...

Black Sea

Cold Temperate Northwest Atlantic

Gulf of Saint Lawrence The Gulf of St. Lawrence is a gulf that fringes the shores of the provinces of Quebec, New Brunswick, Nova Scotia, Prince Edward Island, Newfoundland and Labrador, in Canada, plus the islands Saint-Pierre and Miquelon, possessions of France, in ...

- Eastern Scotian Shelf * Southern Grand Banks-South Newfoundland * Scotian Shelf *

Gulf of Maine The Gulf of Maine is a large gulf of the Atlantic Ocean on the east coast of North America. It is bounded by Cape Cod at the eastern tip of Massachusetts in the southwest and by Cape Sable Island at the southern tip of Nova Scotia in the northea ...

Bay of Fundy The Bay of Fundy () is a bay between the Canadian provinces of New Brunswick and Nova Scotia, with a small portion touching the U.S. state of Maine. It is an arm of the Gulf of Maine. Its tidal range is the highest in the world. The bay was ...

* Virginian

Warm Temperate Northwest Atlantic

* Carolinian * Northern Gulf of Mexico

References

{{Biomes Marine realms Atlantic Ocean