In Scotland, the number of wild salmon have been reduced because of uncontrolled deep-sea and coastal netting, by pollution, and by various other threats to the fish's habitat.

在苏格兰，野生鲑鱼的数量已经减少，这是由于不受控制的深海和沿海捕捞、污染，以及对鲑鱼栖息地的各种其他威胁。