URBAN ECOLOGY

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5 things you may not have known about the ocean.

1.

While its commonly known that the ocean covers something like 71% of our planets surface, it contains within it 99% of the habitable space on earth. Within this 99% as much as 95% of the life on earth is found.

 

2.

90% of the ocean is considered “deep” (over 2000 meters) and the average depth of the ocean is around 3795 meters. The deepest point (the Challenger Deep) is 10,916 meters. That’s as much as 1.23 Mount Everests. The pressure of the water on top of you at this point is equivalent to supporting 50 Jumbo Jets by yourself.

 

3.

Only 10% of the sea has been explored by humans. In this 10%, around 200000 species have been described: it is estimated that as much as 30 million species may remain undiscovered.

 

4.

The largest animal ever to live on this earth is the Blue Whale, measuring in at 30 meters long and weighing 180 tonnes (although the Bootlace Worm can grow longer than a blue whale, with some being measured at 50 meters long and 10 cm wide). It is also one of the fastest aquatic animals, reaching speeds of 50 km/h (the fastest are Sailfish, clocking in at 110 km/h)

 

5.

The ocean is being destroyed at an alarming rate: More oil reaches the oceans as a result of leaking cars every year than the BP spill, and as much trash is dumped in the oceans each year as fish are taken out. Around 100 million sharks are killed yearly, 30% of these for their fins and the rest as by-catch.

5 things you may not have known about the ocean.

1.

While its commonly known that the ocean covers something like 71% of our planets surface, it contains within it 99% of the habitable space on earth. Within this 99% as much as 95% of the life on earth is found.

 

2.

90% of the ocean is considered “deep” (over 2000 meters) and the average depth of the ocean is around 3795 meters. The deepest point (the Challenger Deep) is 10,916 meters. That’s as much as 1.23 Mount Everests. The pressure of the water on top of you at this point is equivalent to supporting 50 Jumbo Jets by yourself.

 

3.

Only 10% of the sea has been explored by humans. In this 10%, around 200000 species have been described: it is estimated that as much as 30 million species may remain undiscovered.

 

4.

The largest animal ever to live on this earth is the Blue Whale, measuring in at 30 meters long and weighing 180 tonnes (although the Bootlace Worm can grow longer than a blue whale, with some being measured at 50 meters long and 10 cm wide). It is also one of the fastest aquatic animals, reaching speeds of 50 km/h (the fastest are Sailfish, clocking in at 110 km/h)

 

5.

The ocean is being destroyed at an alarming rate: More oil reaches the oceans as a result of leaking cars every year than the BP spill, and as much trash is dumped in the oceans each year as fish are taken out. Around 100 million sharks are killed yearly, 30% of these for their fins and the rest as by-catch.

(Source: seascienceweekly, via frozenrevolutionary)

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