Sardine fishery threatened

Milius, S. 27 Feb 2012. Sardine fishery may be in peril. Conditions in northeast Pacific echo those related to collapse last century. Science News.

The Sardine fishery was once the largest of any species in the Western hemisphere.  It’s still very important to whales, seabirds, and predatory fish.  It collapsed in the 1940s from overfishing the bigger and older fish, and an oceanic cycle called the PDO (Pacific Decadal Oscillation), and now it looks like history is about to repeat itself for the same reasons.

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