“Closed containment aquaculture refers to a number of technologies that seek to isolate the rearing environment from the natural environment in order to reduce or eliminate the interactions between the two.

Not all types of closed containment systems are entirely separated from the natural environment, and as a result some are more “closed” than others. While a number of different technologies and systems have been designed and piloted over the years, the two most relevant technologies that seem to have emerged for the Canadian salmon farming industry are ocean-based solid-wall containment systems and land-based, recirculating aquaculture systems (RAS).

In its report “Closed Containment Salmon Aquaculture”” the Standing Committee on Fisheries and Oceans takes an indepth look at the use of closed containment salmon farming and ocean-based ‘open’ net pens in Canada 

To read the report click here.