Fleetwood and as transport became more efficient, more overnight visitors became day visitors. The Hillhouse plant was heavily cut back, and was finally closed in 1999. Most serious, however, was the collapse of the fishing industry, which was largely destroyed in the late 1960s and early 1970s by the Cod Wars, a dispute over fishing rights between Iceland and the UK. As Fleetwood's trawlers mainly fished the North Atlantic in search of cod, the loss of the fishing grounds hit the town hard. The last deep sea trawler left the town in 1982 and now only inshore fishing boats fish out
Blue cod change. Since a number of evidence indicated that blue cod are relatively sedentary, the fishing pressure may lead to potential local depletion. Recent studies showed that the genetic differences were significant between mainland List of islands of New Zealand population and Chatham Island population. On the other hand, the differences within mainlandList of islands of New Zealand populations were limited while the pattern of the isolation by distance was detected. Further research using microsatellite DNA markers suggested that some significant genetic differences between mainland population exist which indicate the potential long-distance dispersal, but the dispersal rate is too low to