![]() ![]() ![]() Lunar phases can also have a bearing on events and the mass arrival of ridley sea turtles on a Costa Rican beach is shown. Phytoplankton forms the basis of all sea life, and every night some 1,000 million tons of creatures ascend from the deep to search for food. These feeding grounds have led to world's largest albatross breeding colony, on Staple Jason Island, west of the Falklands. The South Atlantic waters are the roughest, and storms also churn up nutrients to the surface. Off South Africa, a similar situation occurs every June when sardines migrate and are pursued by a caravan of various predators. This in turn attracts fish to the area that are higher up in the food chain, line tuna, and those that are high still, such as silky sharks. Near a Pacific seamount, there is a large concentration of marine animals because when the current makes contact with the submerged rock, it forces upward plankton and other organisms. The opening episode reveals how ocean life is regulated around the globe by currents and the varying position of the Sun. This series will reveal the complete natural history of our ocean planet, from its familiar shores to the mysteries of its deepest seas." -David Attenborough, from episode one You can fly across it non-stop for twelve hours and still see nothing more than a speck of land. The Pacific Ocean alone covers half the globe. "Our planet is a blue planet: over seventy percent of it is covered by the sea. ![]()
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