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During photosynthesis, they assimilate carbon dioxide and release oxygen. If solar radiation is too high, phytoplankton may fall victim to photodegradation. Phytoplankton species feature a large variety of photosynthetic pigments which species-specifically enables them to absorb different wavelengths of the variable underwater light. [14]
Inorganic nutrients and carbon dioxide are fixed during photosynthesis by phytoplankton, which both release dissolved organic matter (DOM) and are consumed by herbivorous zooplankton. Larger zooplankton - such as copepods - egest fecal pellets which can be reingested and sink or collect with other organic detritus into larger, more-rapidly ...
The phytoplankton would convert the ocean's dissolved carbon dioxide into carbohydrate, some of which would sink into the deeper ocean before oxidizing. More than a dozen open-sea experiments confirmed that adding iron to the ocean increases photosynthesis in phytoplankton by up to 30 times.
These are plankton. ... Photosynthesis is the process by which plants make sugars (their food), and in doing so, they use carbon dioxide and release oxygen into the water. Holy mola!
The ratio of carbon demand to supply governs the diffusion of CO 2 into the cell, and is negatively correlated with the magnitude of the carbon fractionation by phytoplankton. [34] Combined, these relationships allow the fractionation between CO 2(aq) and phytoplankton biomass to be used to estimate the phytoplankton growth rates. [35]
It will also affect the ocean’s ability to act as a store of carbon, Dutkiewicz said, as different plankton absorb different amounts of carbon.
Planktology topics include primary production, energy flow and the carbon cycle. Plankton drive the "biological pump", a process by which the ocean ecosystem transports carbon from the surface euphotic zone to the ocean's depths. Such processes are vital to carbon dioxide sinks, one of several possibilities for countering global warming.
As with all phytoplankton, primary production of E. huxleyi through photosynthesis is a sink of carbon dioxide. However, the production of coccoliths through calcification is a source of CO 2. This means that coccolithophores, including E. huxleyi, have the potential to act as a net source of CO 2 out of the ocean.