Sea ice in the Southern Ocean delivers a substantial share of the organic carbon that supports Antarctic marine ecosystems, according to a study published in Biogeosciences. A research team led by Keigo D. Takahashi collected sea ice samples and examined the factors controlling the amounts of particulate organic carbon and nitrogen they contain, together with the stable isotope ratios of those materials.
The analysis showed that nutrients and organic matter influence the isotope…
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Source bioengineer.org
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