Maritime history of the United Kingdom and echo sounders making life easier now. Fishing in waters off Iceland became important, which led to three "Cod Wars" from the 1950s to the 1970s. British boats were excluded from Icelandic waters in 1976. In 1977 a fishing limit was set up by the European Economic Community, and British waters were opened to other Community members. This led to overfishing. Landings decreased 28% between 1967 and 1997, with fishing now mainly off Scotland. Other sorts of fishing also take place on a commercial basis such as for crab, lobster, shellfish and mackerel. Sport fishing is popular from coasts and
Harold Innis and the cod fishery World from Spain." Innis shows how the cod fishery was interwoven economically with the slave trade and international markets for such other products as sugar, tobacco and rum. He argues that rivalry between the British and the colonists in New England led to the American Revolution. While his study of the fur trade focused on the continental interior with its interlocking rivers and lakes, "The Cod Fisheries" looks outward at global trade and empire showing the far-reaching effects of one staple product, both on imperial centres and on marginal colonies such as Newfoundland, Nova Scotia and New England. Biographer, John