1. Marine Biomes

2. Biome
A biome is a major, geographically extensive ecosystem, structurally characterized by its dominant life forms
Most of the oceans are considered part of a single biome, although areas with particularly unusual or unique physical characteristics or inhabitants may be considered as separate biomes
Big region of the planet that is differentiated by climate, flora, and fauna

3. Marine Biomes
Marine biomes make up the largest percentage of aquatic biomes on Earth. Unlike freshwater biomes, these biomes involve a medium to high percentage of salt in the water

4. Marine Biomes
are extremely important to how our Earth currently functions. Marine biomes supply much of the world's oxygen through algae plants. They also take in gigantic amounts of carbon dioxide from our atmosphere

5. Marine biomes
Include:
oceans
coral reefs
and estuaries

6. Oceans
An ocean (from Greek Okeanos) is a major body of saline water, and a principal component of the hydrosphere.
Approximately 71% of the Earth's surface (an area of some 361 million square kilometers) is covered by ocean

7. Oceans
The major oceanic divisions are defined in part by the continents: these divisions are (in descending order of size)
the Pacific Ocean
the Atlantic Ocean
the Indian Ocean
the Southern Ocean
the Arctic Ocean

8. World Oceans

9. Oceans
Ocean biomes are the largest of all the biomes. Because they cover such a large region, they are divided into zones.
There are four ocean zones:
intertidal,
pelagic,
abyssal,
and benthic

10. Intertidal zone
The intertidal zone is most commonly know as the tidal zone. This is the area where the ocean meets the shore. This zone changes greatly throughout the day, depending upon the ocean's tides

11. Pelagic zone
The pelagic zone is more commonly known as the open ocean. It is the farthest area from the shoreline. The temperature of this zone changes frequently due to the constant mixing of cold and warm ocean currents.

12. Benthic zone
The area below the pelagic zone is called the benthic zone. This area goes all the way to the bottom of the ocean floor. In this zone, as the water gets deeper, the temperature gets cooler and the ocean gets darker

13. Abyssal zone
The deepest zone is called the abyssal zone. This zone includes mid-ocean ridges. Mid-ocean ridges are the spreading zones between the techtonic plates. Here you would find high oxygen content, little light, high pressure, and large amounts of hydrogen sulfide and other various minerals

15. How did the oceans form?
Video

16. Oceans
One of the most dramatic forms of weather occurs over the oceans: tropical cyclones (also called "typhoons" and "hurricanes" depending upon where the system forms).
Ocean currents greatly affect the Earth's climate by transferring warm or cold air and precipitation to coastal regions, where they may be carried inland by winds.
The Antarctic Circumpolar Current encircles that continent, influencing the area's climate and connecting currents in several oceans.

17. Coral reefs
Coral reefs are usually found in shallow, warm waters. They are found along continents, islands, and atolls. Coral reefs are made of algae and tissues of animal polyp. These areas tend to be poor in nutrients, however the coral gets its nutrients from the algae

18. Importance of coral reefs
Coral are very important in controlling how much carbon dioxide is in the ocean water. Without coral, the amount of carbon dioxide in the water would rise dramatically and that would affect all living things on Earth.
In addition, coral reefs are very important because they protect coasts from strong currents and waves by slowing down the water before it gets to the shore. That is why they are called barrier reefs. They provide a barrier between the ocean and the shore.

19. Importance of coral reefs
Coral Reefs are the “Rainforests” of the ocean. Reefs are ecologically important ecosystems and have a high biodiversity that serves as a storage bank of rich genetic resources

23. Estuaries
This biome is unique because it involves both freshwater and salt water. In this area streams or rivers connect to the ocean. Species that live in this biome have to be able to survive in both types of water

24. Estuaries
The sheltered waters of estuaries are home to countless plants and animals that like to live in water that is part fresh and part salty. Examples include horseshoe crabs, ospreys, manatees, mangroves, and sea grasses.
Hundreds of fish and shellfish, such as scallops, shrimp, and salmon, live in estuaries at some point in their life. Estuaries protect water quality by filtering out dirt and pollution.
In addition, estuaries and the land surrounding them are places where people live, sail, fish, swim, and bird watch. As a result, estuaries are often the centers of our coastal communities

27. Fresh Water Biomes Lakes, streams, wetlands
Lakes- mass of water surrounded by land and fed by sources of water such as rivers, stream, and precipitation

28. Notes Biome : Large ecosystem with dominant life forms
Marine biomes make up the largest percentage of aquatic biomes on Earth (medium/high levels of salt)
Marine biomes include oceans, coral reefs and estuaries
Approximately 71% of the Earth's surface is covered by ocean

29. Notes
The world ocean is seen to be divided into five sub oceans: Pacific ocean, Atlantic ocean, Indian ocean, Arctic ocean and Southern ocean
Ocean biomes are divided into four zones: intertidal, pelagic, benthic and abyssal
Intertidal: Where ocean meets shore
Pelagic: Mixing of cold and warm ocean currents
Benthic: Bottom of the ocean floor (cold temp, dark)
Abyssal: Deepest zone and includes mid-ocean ridges

30. Notes
Dramatic forms of weather occurs over the oceans(ex: tropical cyclones )
Ocean currents greatly affect the Earth's climate by transferring warm or cold air and precipitation to coastal regions, where they may be carried inland by winds.
The Antarctic Circumpolar Current encircles that continent, influencing the area's climate and connecting currents in several oceans.
Around half of all carbon dioxide produced by humans since the industrial revolution has dissolved into the world's oceans

31. Notes Coral reefs are usually found in shallow, warm waters
Coral are very important in controlling how much carbon dioxide is in the ocean water.
Coral reefs protect coasts from strong currents and waves by slowing down the water before it gets to the shore
Coral reefs have a high biodiversity that serves as a storage bank of rich genetic resources
Estuaries involve both freshwater and salt water. They protect water quality by filtering out dirt and pollution and
are often the centers of coastal communities