Dried cod and herring were already the staples of the European fish trade, but changes in water temperatures forced fishing fleets to work further offshore.
鳕鱼干和鲱鱼干已经是欧洲鱼类贸易的主要产品，但水温的变化迫使渔船在离岸更远的地方作业。
2
Prawn-catchers will be cut back too because, though prawns (Scotland's main catch) are plentiful, those who fish for them also snare cod.
捕虾者也将被削减，因为尽管大虾（苏格兰的主要捕获物）数量充足，但捕虾者也会捕捉鳕鱼。
3
A huge variety of fish, including cod, bream, mussels, salmon and sturgeon, is being farmed, providing food for people all over the world.