The Guardian view on wild salmon: falling numbers point to a deeper malaise | Editorial

These remarkable fish need clean rivers to breed in. Their decline highlights the collapse of environmental regulation

The collapse in the number of wild salmon in England and Wales is deeply dismaying. These fish are widely regarded as wonders of the natural world because of their extraordinary life cycle. This takes them thousands of miles out into the North Atlantic Ocean, before they return to our rivers - swimming and leaping upstream - to spawn.

Climate change and failures of marine conservation have contributed to the decline in numbers across their entire range, which extends from Russia to Portugal. But in Britain, the poor state of rivers is another obstacle to the species' survival. As well as a warning of the global threat to biodiversity, their dwindling numbers are a reminder of the price paid for the repeated breaking of environmental law.

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