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Study reveals potential effect of ocean darkening on marine ecosystem


Oceani around the world They have become darker in the last two decades, leaving researchers in fear of their sea residents, according to a new study.

Professor Thomas Davies of the University of Plymouth said in a study published in biology of global change The magazine is growing concern for the marine ecosystem.

Satellite data from NASA -in Ocean Color Web The data portal showed that 21% of the Ocean planets darkened between 2003 and 2022.

According to Davies, most of the sea life live in the photic zones of the ocean, where sufficient light penetrates to stimulate photobiological processes.

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Ocean image

Oceani around the world has become darker in the last two decades, leaving researchers in fear of marine residents, according to a new studio. (AP Photo/Thanassis Stavrakis, file)

The phototic zone, 200 meters deep, is a place where global nutrients and carbon nutrients maintain planetary fish markets.

This is an area where light reaches sea ​​life The closer it lives to the surface of the ocean.

These ocean residents rely on both moonlight and sunlight for hunting, mating, reproduction and other important turning points.

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A shark swimming in the Pacific Ocean

The darkening of the ocean could affect the sea around the world, a new research says. (Kevin Carter/Getty Images)

The upper level of the ocean is where microscopic organisms and different types of plankton live.

With the oceans starting to darken, it will cause creatures that rely on the light to start approaching the surface, potentially creating a cramped living space.

Using satellite data and light dimming measure in seawater, Davis managed to measure how much the photo zone was around the world.

Among the darker oceans, 9% of their photic zones were 50 meters shallow, and 3% of the ocean phototics zones were 100 meters shallow.

Sea life swimming in the ocean

The darker oceani could encourage marine life to approach the surface, resulting in a cramped living space, the study said. (AP Photo/Elaine Thompson, file)

The explanation behind the darkening of the ocean is far clear.

Global warming Changes in ocean currents are thought to be involved in this phenomenon, the study states.

Despite the total darkening, about 10% of the ocean, or 37 million square kilometers, has become easier in the last 20 years, the study revealed.

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Also revealed that the majority coastal areas They saw the increase in light. However, the study found that this was not converted to a net reduction in the depth of the photo zone near the coast.

Davies predicts that the implications of the ocean of the ocean could be severe for seafood networks, global fisheries and carbon and nutrients.

Nick Butler is a journalist for Fox News Digital. Do you have tips? Come to nick.butler@fox.com.



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