Learn how the perfect combination of temperatures, tides and currents helps coral spawn.
Out at sea a perfect confluence of temperatures, tides and currents are about to trigger the biggest marine event of the year. The reef is being primed for reproduction.
AIR DATE 7/29/15
View Australia’s Great Barrier Reef, one of the richest and most complex natural ecosystems on earth, through the eyes of those who live, work and play there. Home to a stunning array of animals, it is one of the Seven Wonders of the Natural World.
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