Key variables from recirculating aquaculture systems (RAS) were chosen based on the previous work of Björnsdóttir (2015) and Vilbergsson (2016) along with other articles that were analyzed to identify cause and effect relation between the key variables.
Lykilbreytur í hringrásarfiskeldi (RAS) voru ákvarðaðar út frá fyrri vinnu Björnsdóttir (2015) og Vilbergsson (2016) og einnig voru aðrar greinar greindar til að bera kennsl á tengsl milli orsaka og afleiðinga í lykilbreytum.