The council has approved work to develop proposals for tunnels connecting Shetland Mainland with Yell and Unst, with further fixed links to Whalsay and Bressay also under consideration.
Salmon farming is one of Shetland's largest private sector employers, contributing £91 million a year to the local economy and supporting around 1,000 jobs across the islands, including 390 directly on farms and processing sites.
Tavish Scott, chief executive of Salmon Scotland, said...