AI Summary

From the 13th to the 16th century, herring harvested in the Sound—a Baltic Sea strait between Denmark and Sweden—was a major trade commodity for northern Europe, with salted catches from the Skanör‑Falsterbo fishery supplying large parts of the continent. Around 1570 the fishery collapsed rapidly, triggering extensive impacts on trade, politics and society. Catches did not recover to comparable levels until the 1950s, nearly four centuries later. The long rebound illustrates the durability of marine ecosystems and the scale of human reliance on a single fishery.

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