Gov. Mike Dunleavy has used his veto power to thwart a legislative effort to boost the state ferry system budget.

The governor cut almost $8.5 million from an overall appropriation of $190.7 million intended to cover the next 18 months of Alaska Marine Highway System operations.

The veto scales back the budget closer to last year’s level on a 12-month basis and frustrates legislative attempts to restore some of the service cuts under the governor’s…