History of the North Sea United Kingdom and Germany signed the Treaty of Heligoland. The Cod War of 1893 erupted between Denmark and Britain over fishing territories. Denmark declared a fishing territory of 13 nautical miles (24 km) around their shores which included Iceland and the Faroe Islands. Britain did not acknowledge this claim. Tensions in the North Sea were again heightened in 1904 by the Dogger Bank incident, in which Russian naval vessels mistook British fishing boats for Japanese ships and fired on them, and then upon each other. The incident, combined with Britain's alliance with Japan and the Russo-Japanese War led to an
Collapse of the Atlantic northwest cod fishery of Maine had led to overfishing despite regulation. Thus, overestimates of stock biomass due to generalisation of local estimates, and ignorance of environmental factors in growth or recovery potential of a cod fishery would lead to mismanagement and further collapse of stocks, through further unsustainable quotas, as in the past. Collapse of the Atlantic northwest cod fishery In 1992 the Canadian Federal Minister of Fisheries and Oceans, John Crosbie, declared a moratorium on the Northern Cod fishery, which for the preceding 500 years had largely shaped the lives and communities of Canada's eastern coast. Fishing societies interplay with the resources