Upper part of the ocean, which lies on the continental shelf at a depth of between 200 m/650 ft and 2,000 m/6,500 ft.
Bathyal zones (both temperate and tropical) have greater biodiversity than coral reefs, according to a 1995 study by the Natural History Museum in London. Maximum biodiversity occurs between 1,000 m/3,280 ft and 3,000 m/9,800 ft.
The cog-wheel and rice plant stand for industry and agriculture. The stars represent the 14 states. Blue symbolizes peace. Red denotes courage. Effective date: 4 January 1974.