The moment of a plankton bloom - the root of our essential food chain

John Bruun

University of Exeter, Exeter, United Kingdom of Great Britain and Northern Ireland

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I saw this on day when we were about to swim: the sea had turned green-yellow!
This is photosynthesis in action and the base of much of our food chain.
It's not so obvious sometimes to see this remarkable phenomena and this was special: clearly a plankton bloom had just ocurred. A few days before the sea was much clearer.

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Europe Northern Europe United Kingdom of Great Britain and Northern Ireland Show on map

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Type Image Format JPG Size 4.0 MB Width 4032 px Height 3024 px Aspect 4:3 Brand Samsung Model SM-G935F Exposure 4 mm f/1.7 1/1820 s ISO 40 Software none -just basic picture. Taken 28 May 2018 Coordinates 50.2596, -3.8581 Tint Light grayish yellowish brown Submitted 12 February 2019