Changes in foraging mode caused by a decline in prey size have major bioenergetic consequences for a small pelagic fish

Elisa Thoral, Quentin Queiros, Damien Roussel, Gilbert Dutto, Eric Gasset, David McKenzie, Caroline Romestaing, Jean-Marc Fromentin, Claire Saraux & Loic Teulier
Global warming is causing profound modifications of aquatic ecosystems and one major outcome appears to be a decline in adult size of many fish species. Over the last decade, sardine populations in the Gulf of Lions (NW Mediterranean Sea) have shown severe declines in body size and condition as well as disappearance of the oldest individuals, which could not be related to overfishing, predation pressure, or epizootic diseases. In this study, we investigated whether this...
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