In 2100, mussels and oysters are expected to calcify their shells 25 and 10 % slower than nowadays respectively. This will be caused by the continued release and accumulation of CO2 in the air: one third of it will be absorbed by the ocean water, thereby making it more acid. Scientists of the Netherlands Institute of Ecology (NIOO-KNAW) report in Geophysical Research Letters, together with a French colleague, on the potentially major consequences for aquaculture and coastal nature.
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