The government decree against high fares "is illegal", Ryanair cuts routes in Sardinia .
From Cagliari , the company 's commercial director Jason Mc Guinness announces that 10 routes will be affected by frequency reductions and cancellations .
Stop on the Cagliari-Trieste line , winter connections to Bari and Trevis will not depart from Alghero .
Reduced frequencies in Cagliari for flights to Rome, Milan, Bergamo, Catania, Naples, Venice and Brussels.