A miracle of Nature, the salmon braves body changes, hungry seals and forbidding waterfalls on its extraordinary journey to and from its spawning grounds. But now, warns Simon Lester, it may be facing one challenge too many. Illustrations by Alan Baker for Country Life.
I’m standing alone, thigh deep in a sparkling, peat-tinted Scottish river, fuelled with the anticipation of that tug on the drifting line, followed by the exhilarating passage of play, the first…