The history of the menu price

news @ nature.com - Old menus reveal collapse of fish stocks - Price rises track dwindling of delicacies such as lobster.:

Fisheries experts are using old restaurant menus to piece together how the world's seafood stocks have declined over the past century and a half. Prices dating back to the 1850s highlight the growing scarcity of foods such as lobster, swordfish and oysters.

Clever use of archival information to assess changes in natural resources.

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