Biomes Atlases: Oceans and Beaches

Oceans cover two-thirds of the Earth's surface, usually to a great depth, so they form by far the world's largest biome. At their edges lie beaches and other coastal habitats. What are conditions like at the bottom of the ocean or on a coral reef? Where and how do life-forms live in oceans and on beaches? What impact have human populations had on the ocean and beach biome?