If reshaping food webs marginalises the pteropods, the salmon will have to adapt or die.
ECONOMIST: Ocean acidification
Dr Riebesell is particularly interested in the ecosystem role of pteropods, also called sea butterflies.
In the first year of their life, pink salmon eat more pteropods than anything else.
But though the mesocosms may shed light on the fate of the pteropods, the outlook for the salmon will remain conjectural.
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