![]() ![]() ![]() Katherine Crichton, a postdoctoral research fellow at the University of Exeter in the United Kingdom, in a statement. “We still know relatively little about the ocean twilight zone, but using evidence from the past we can understand what may happen in the future,” said lead study author Dr. The tiny shells effectively create a timeline of how the ocean has changed over millions of years.Ī study detailing the findings was published Thursday in the journal Nature Communications. ![]() ![]() Over time, the calcium carbonate shells accumulate on the seafloor, preserving information about what the environment was like during their lifetime. The research team studied cores taken from the seafloor that included evidence of preserved microscopic shells from plankton. Paleontologists and ocean scientists teamed up to study the impacts on the ocean’s twilight zone during previous ancient warming events in order to predict how the habitat may respond in the future due to global warming. And if greenhouse gas emissions continue, the researchers estimate that the ocean region’s life could be severely depleted within 150 years - and recovery may not be possible for thousands of years. New research warns that the climate crisis could reduce life in the twilight zone between 20% and 40% by the end of the century. Small crustaceans known as Megacalanus princeps live in the ocean's twilight zone at a depth of 1,000 meters in the Northeast Atlantic. ![]()
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