The National Pollutant Inventory omitted the mandatory reporting of the aquaculture industry in Spencer Gulf Australia where the southern bluefin tuna and yellowtail kingfish aquaculture are main contributors of nitrogenous nutrient pollution to the marine environment.
This omission of the aquaculture industry from mandatory reporting is significant for Spencer Gulf, South Australia. In this region, southern bluefin tuna and yellowtail kingfish sea-cage aquaculture are the two largest industrial contributors of nitrogenous nutrient pollution to the marine environment. 
