Predictions of climate impacts on fisheries can be a mirage

Predictions of climate impacts on fisheries can be a mirage: In the early 1940s, California fishermen hauled in a historic bounty of sardine that set the backdrop for John Steinbeck's "Cannery Row" novel. But by the end of the decade the nets came up empty and the fishery collapsed. Where did they all go? According to a new study, the forces behind the sardine mystery are a dynamic and interconnected moving target.