 The "East Coast Trawl Management Plan 1999" aimed to regulate trawling through limiting the times when trawling is permitted and restricting gear used.The "Fisheries (Coral Reef Fin Fish Fishery) Management Plan 2003" aimed at reducing the annual commercial catch to 1996 levels, disallowing fishing when the fish are spawning and increasing the minimum legal size of fish.The Great Barrier Reef was selected as a World Heritage Site in 1981.