The Great Barrier Reef is the largest reef on the planet. Steve Backshallnarrates an investigation into not only how it got so big, but also, howthe reef survives on the Australian coast at all. The Great Barrier Reef'simmense size is revealed as a mosaic of environments not just the hugecoral reef but sea grass meadows and island habitats as well. However, scale isn't the only success of this Microworld. The reef exists in nutrientpoor waters, on the face of it too poor to support all this life so how has this amazing Microworld come about in the first place? Steve reveals theunique relationship between the coral and an alga, which is the key tothis entire ecosystem
Notes
Title from resource description page (viewed Nov. 21, 2014)
