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The Abyssal Plains
Transcript of The Abyssal Plains
What lives in the abyssal plains
The abyssal plains
A whale fall occurs when a whale dies and its bones transport nutrients to the sea floor. The nutrients attract small animals which attract bigger animals and so on. This means that whale falls can attract animals which would not usually swim that deep.
What animals are attract by whale falls
The amount of time a whale fall has been on the sea floor will determine the different animals you see there.
In the early stages animals that feed in whale falls are squat lobsters, lithodid crabs, ratttail fish and sleeper sharks.
An abyssal plain is the deep ocean floor found at depths ranging from 3000 to 6000m deep. And abyssal plains cover up more than 50% of the earths surface. They are very vast and so flat the there is a slope of roughly 3 center meters every 300 meters.
This zone never receives daylight so it is in a state of perpetual darkness. It has a lack of nutrients and has a temperature from about 2°C to 3°C (35°F to 37°F). It can reach up to pressures of 758 bar.
How do humans interact with this ecosystem
How can we help save the abyssal plains
Life in the abyssal zone is pretty scarce of life because of the lack of sunlight and nutrients. But some things do live down there like amphipods, small shrimp like things which range from 3 to 340mm in size. Also some species of sea cucumbers. Many different types of bacteria can be found. There is a type of worm called a spoon worm which creates patterns in the sand. Then there are sea pigs that are a bit like a sea cucumber and are very weird looking.
Foraminifera is a small animal that lives in the sand and uses small thin tentacles to catch its prey.
The Foraminifera are the small sand blobs
Producers and consumers
Producers-Get energy from nonliving sources
Consumers-Get energy from other living things
Primary consumers-Eat producers
Secondary consumers-Eat primary consumers
Tertiary consumers-Eat secondary consumers
Predators-Eat secondary or above consumers
Prey-An animal that is hunted
Decomposes-Get energy of decomposing things
Humans usually send drones down to these areas because most of these places and its life forms are undiscovered.
There are dangers to abyssal plains because all the junk and rubbish you put in to the ocean that sinks will travel down to the abyssal plains. That means that there is a lot of junk and rubbish in the abyssal plains.
Some ways to stop people dumping rubbish into the sea is by putting up laws so that you cant throw stuff into the sea. You could also build drones that go down to the bottom of the sea and collect rubbish.