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1 videodisc (176 min.) : sound, color ; 4 3/4 in.
[publisher not identified],
|| The Great Barrier Reef abounds with life. But it is under attack from above and below the water. A team of marine biologists and geologists investigates the clues of how the reef was born, what makes it thrive, and how it may disappear in our lifetime. Biologists take viewers below the water to discover the foundations of the reef, the submerged fresh water rivers that feed it, and the cycle of life that keeps it alive.
|Target Audience Note:
|| Not Rated