History of the North Sea claimed no more than narrow coastal waters. In the last few decades things have changed. The countries bordering the North Sea all claim the twelve nautical miles (22 km) of territorial waters within which they have, for example, exclusive fishing rights. Iceland, however, as a result of the Cod Wars has exclusive fishing rights for from its coast, into parts of the North Sea. The Common Fisheries Policy of the EU exists to coordinate fishing rights and assist with disputes between EU states and the EU border state of Norway. After the discovery of mineral resources in the North Sea,
Cod fishing in Newfoundland had decreased by at least 75% in all stocks, by 90% in three of the six stocks, and by 99% in the case of 'northern' cod, previously the largest cod fishery in the world. After a 10-year moratorium on fishing begun in 1992, the cod had still not returned. It was thought that the local ecosystem might have changed, one possibility being that greater numbers of capelin, which used to provide food for the cod, might be eating the juvenile cod. The waters appeared to be dominated by crab and shrimp rather than fish. However, by 2011 it became apparent