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Netherlands Institute of Ecology

Decline in plankton across North East Atlantic sends stark warning for ocean health

Jun 27, 2026 by Amy Schofield

New study has used more than six decades of data to show that plankton abundance is declining across vast swathes of the North East Atlantic – a region covering the Atlantic Ocean from Portugal to Norway, and the entirety of the North Sea.

Categories Latest News, Continuous Plankton Recorder Survey, Ocean Biology, Ostle, Our Science Tags Aarhus University, AquaEcology GmbH & Co KG, CPR Survey, Deltares, Ecological Indicators, Environment Agency, Ministry of Infrastructure and Water Management, Muséum National d'Histoire Naturelle, Netherlands Institute of Ecology, PatriNat, pelagic habitats, Phytoplankton, Plankton, plankton abundance, plankton indicators, Plymouth Marine Laboratory, rising sea temperatures, Scottish Association for Marine Science, Swedish Meteorological and Hydrographic Institute, University of Plymouth
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The Marine Biological Association of the United Kingdom is a registered charity in England and Wales (1155893), and is a company limited by Royal Charter (RC000865). The Marine Biological Association conducts, promotes and supports scientific research into all aspects of life in the sea.

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