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You can participate in this project by making a Secchi Disk and downloading the free iOS or Android 'Secchi' application to your smartphone or tablet.

Join in and make this the World’s largest, ongoing Citizen Science marine biological study.

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"You don’t need a network connection to use Secchi. Secchi stores all the data until you get a mobile signal when it will ask you if you want to submit your data now, or wait until later."

RK, SV Odontella

 

 

The marine phytoplankton account for approximately 50% of all photosynthesis on Earth and, through the plankton food web that they support, they both underpin the marine food chain and play a central role in the global carbon cycle strongly influencing the Earth’s climate.

Living at the surface of the sea the phytoplankton are particularly sensitive to changes in sea surface temperature. A recent study of global phytoplankton abundance over the last century concluded that global phytoplankton concentrations have declined due to rising sea surface temperatures as a consequence of current climate change.

We need to know much more about these changes and you can help by making a simple piece of scientific equipment called a Secchi Disk and using the Secchi App.

Read about the Project in The Marine Scientist:

Measuring Phytoplankton

Download the Project Overview:

Project overview