Plankton Brought Back from the Dead

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Scientists bring marine plankton back to life to study past climate change

Phytoplankton such as are responsible for half the global primary production (GPP), and some form resting cysts that can lie dormant in marine sediments for up to a century. Earlier this year, scientists succeeded in making use of these cellular time-capsules to understand changing ocean conditions in a Swedish fjord.


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Dinoflagellates are single-celled marine organisms, many of which are able to photosynthesis. They can be useful indicators of environmental change because they are abundant, have short life cycles and are highly sensitive to temperature, salinity and the availability of nutrients and / or sunlight.

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