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Transcript of Aquatic Biomes
Estuaries It is an ecosystem in a body of water and the largest biome.
Water covers nearly 75% of the earth's surface,
in the form of oceans, lakes, rivers, etc.
It is host to a wide variety of life-forms, and minerals
Life began in the ocean billions of years ago. When amino acids first started to come together.
It can be broken down into
two basic regions:
and Freshwater Ponds and Lakes
Streams and Rivers
Wetlands Saltwater Aquatic Biome Oceans
Oceans are the largest ecosystems on earth.
Who Calls The Ocean Home?
Algae, sea snails, octopuses, fish,
crabs, lobsters, sea anemones,
sharks, whales, seaweed,
tons of bacteria, fungus and much,
Coral reefs are found as barriers along continents
(for example, the Great Barrier Reef off the coast of Australia.)
Who Calls Coral Reefs Home?
Coral, Fish, sea urchins, octopi and sea stars (star fish) Coral Reefs freshwater regions saltwater regions Saltwater Estuaries Freshwater Ponds and Lakes Streams and Rivers Wetlands An estuary is where a stream or river merges with the ocean. The mixing of fresh and salt water creates a unique salt concentration that is found nowhere else in the world.
Who Calls Estuaries Home?
A variety of worms, oysters, crabs and different kinds of waterfowl (like herons, ducks and geese). Ponds and lakes support similar organisms. But ponds are often seasonal, meaning they are created in the rainy seasons and often dry up after a few months. Lakes, on the other hand, will often survive for hundreds of years.
Who Calls Ponds and Lakes Home?
various aquatic plants, grazing snails, clams (shells), insects, crustaceans, fish, amphibians (frogs, salamanders, etc.,) turtles, snakes and lots of birds. A stream or river can be started in a lot of different ways, product of a natural spring bubbling out of the earth, find their way out of a mountain lake, started by melting snow.
Who Calls it Home?
Many freshwater fish, such as trout and salmon. Algae, fungi and other plant life A wetland is a body of standing water that supports aquatic plants. Marshes and bogs are forms of wetlands.
Who Calls Wetlands Home?
Frogs, lizards, snakes and birds like ducks, pelicans, herons, woodpeckers, etc. Climate Temperature:
various because of the locational factor
is approximately 60 - 250 inches per year depending upon the location. (= 1500 - 6000 mm per year)
Large areas of the tropical ocean get more than 3 meters or 115 inches of rain each year or about 8 mm/day. Population extremely diverse
700 coral species and 2000 fish species in the Pacific Ocean
600 fish species in the Atlantic Where 5 major oceans: Indian Ocean, Atlantic Ocean, Arctic Ocean, Southern or Antarctic Ocean and the Pacific Ocean. Food web 1st level: phytoplankton.
2nd level: zoo planktons
3rd level: krill, fishes, crustaceans, etc.
4th level: big fishes, penguins, seals, polar bears and whales.
5th level: human. Marine Food Chain: Net Productivity Carbon Cycle summer compared to the winter: depends on temperature
Warm water holds less dissolved oxygen than cold water
summer: speed decrease
winter: speed increase
It affects net productivity.
It affects the amount of biomass growing. Negative Feedback The algae in the ocean produces by photosynthesis oxygen. This oxygen is then taken by the creatures in the ocean for respiration. They produce CO2 and this is what the algae needs to produce oxygen again. This process is a stable cycle which creates a equilibrium and maintains it for the aquatic biome. Issues caused by humans crude oil pollution
wrong plastic-waste disposal
too intensive fishing
noisy shipping traffic CARBON-OYGEN CYCLE
involves the processes of photosynthesis (uses CO2 and produces O2) and respiration (uses O2 and produces CO2 -carbon dioxide) Human Activity fishing
tourism Coral reefs, estuaries, swamps and marshes have the highest average net primary productivity of all aquatic biomes.