Characteristics for marine cage farms are diesel use and marine eutrophication, while farming on land is characterised by electricity use, in particular if companies drill for underground water.
Einkennandi fyrir sjókvíaeldi var mikil díselnotkun og næringarefnaauðgun sjávar, en fyrir landeldi mikil rafmagnsnotkun, einkum þar sem borað var eftir vatni.