The Prince of Wales is to deliver a keynote address at the sixth World Fisheries Congress.
The congress is organised by the World Council of Fisheries Societies which aims to promote international cooperation in fisheries science, conservation and management.
Charles, who established the International Sustainability Unit to build consensus on how to resolve some of the key environmental challenges facing the world, will address this year’s event at the Edinburgh International Conference Centre.
The World Council of Fisheries aims to encourage and promote sustainable management practices, excellence in fisheries research and the wise use of fishery resources.
The congress is held every four years, with the last one taking place in Yokohama in Japan in 2008.
Later, the Prince, who is known as the Duke of Rothesay in Scotland, will visit Marine Scotland’s research vessel Scotia.
He will view the facilities on board and meet fish and chip fryers and representatives from leading fish wholesale companies.
In the afternoon, the Duchess of Cornwall will attend a service to celebrate the completion of the conservation programme of Rosslyn Chapel.
Camilla, who is known as the Duchess of Rothesay in Scotland, will tour the building and meet supporters at a reception, before unveiling a plaque to commemorate the opening of the new visitor centre.
Built between 1446 and 1484, the chapel is covered with carvings of individual figures and scenes. It has been deluged with visitors since it featured in Dan Brown’s blockbuster novel the Da Vinci Code, and the film of the book starring Tom Hanks and Audrey Tautou.
The chapel has undergone a