Fish – Salmon and trout. The claimant leasehold owner of a right to fish for salmon at Lydney in the estuary of the River Severn sought judicial review of the defendant Environment Agency's decision to reduce his catch from approximately 600 per year to 30 and less. The Administrative Court, in allowing the application, held that the only rational conclusion was that there had been no basis for drawing any conclusion as to the numbers of salmon caught at Lydney that would otherwise spawn in the River Wye, as provided in the report on which the Environment Agency had relied in making its decision.