16. Iceland continued to attempt to expand its exclusive fisheries zones.
By the early 1970s numerous nations supported the idea of expanding their territorial limits over the seas which bordered them. Traditionally, territorial limits had been defined by the range of shore-based cannon. By the 1970s that definition had long been obsolete. Long range missiles, changes to ships and submarines, and other factors led to international conferences to discuss the world’s territorial waters and freedom of the seas. During the third United Nations Conference on the Law of the Sea, which opened in 1973, general agreement from many members set territorial limits at up to 100 miles, where practicable. Yet no official decision had been made. Meanwhile, despite its previous efforts to protect its fisheries, Iceland (and other countries) continued to monitor declining catches. Both the number of fish per vessel, and the size of the fish declined.
In the summer of 1975 the Icelandic government, in response to pressure from the fishing industry, decided to once again extend the territorial limits. Their goal was to create a much larger exclusive fishing zone for their own fishing fleets, and assign areas under license in the outer regions of the zone to foreign fishing trawlers. In July, 1975, the Icelandic government announced that when the agreement which ended the Second Cod War expired in November, the territorial limits would be extended to 200 miles from Iceland’s shores. Though some concessions were offered to Great Britain, such as a limited number of trawlers and tonnage allowed in the new zone, the British refused to accept them. Britain announced it did not accept the new zones, and that its trawlers would not respect them. Once again, the Royal Navy took on the task of protecting the fishing fleet.