A small ocean animal that loves to eat phytoplankton could be helping deposit carbon into the deep ocean. KPBSErik reports ⬇️
“Because they combine swimming with eating, they are able to filter hundreds of liters of water per day,” said Moira Décima, an assistant professor at the Scripps Institution of Oceanography. “ pull out the particles from that water. Then from that they make these really large heavy, fast sinking fecal pellets.”
Those pellets sink quickly into deep ocean waters where the carbon is essentially removed from the systems that transfers carbon between the ocean and atmosphere near the surface. The process is just one way carbon is turned into a solid and deposited deep into the ocean.“They just are delivered to depth,” Décima said. “And the deeper that they get delivered the longer the carbon is sequestered from the atmosphere.
And that means this hungry little animal can actually have an impact on something as complex as the climate. Researchers found that salps can account for a two to eight fold increase in carbon sequestration. “One reason why they can have really important effects when they’re in an ecosystem is because they can make a bloom which means they can achieve really high population growth over a short period of time,” Décima said.
The gelatinous animals are not always present in large numbers, but when they are then they can impact the carbon cycle and the food web on a fairly large scale.The findings are published in the Journal Nature Communications.
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