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| What is Twilight Zone of Ocean? |
What is Twilight Zone of Ocean?
The ocean twilight zone may be a layer of water that stretches
round the globe. It lies 200 to 1,000 meters (about 650 to three ,300 feet)
below the ocean surface, just beyond the reach of sunlight. Also referred to as
the midwater or mesopelagic, the twilight zone is cold and its light is dim,
but with flashes of bioluminescence light produced by living organisms. The
region teems with life. Recent studies suggest that the biomass of fish within
the twilight zone could also be ten times greater than previously thought quite
altogether the remainder of the ocean combined.
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Life within the twilight zone includes microscopic bacteria and
tiny animals referred to as zooplankton, alongside larger crustaceans, fish,
squid, and lots of sorts of gelatinous animals. With their strange shapes and
behaviors, many of the twilight zone’s inhabitants appear to be the things of
fantasy or fantasy, but they're all uniquely adapted to life during a deep,
dark, watery world where temperatures stay on the brink of freezing and water
pressure can reach 1,500 pounds per sq in. Some organisms spend their lives in
its shadowy depths, while others visit and from the surface a day within the
largest animal migration on Earth. Animals within the twilight zone help
support the ocean’s food cycle and transport huge amounts of carbon from
surface waters into the deep ocean, helping to manage global climate.
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So far, the twilight zone is essentially unexplored and its rich biodiversity has remained mostly beyond the reach of economic fishing and therefore the international laws that govern the high seas. But some fishing interests are poised to start extracting the biological resources of the twilight zone, with unknown consequences for marine ecosystems and Earth’s climate.
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