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Changing Seas

Manatees: Conserving a Marine Mammal

Season 8 Episode 802

Every winter, hundreds of manatees aggregate at Crystal River, Florida. This sanctuary is also a treasure for scientists, who take advantage of these manatee gatherings to study them. From decades of visual ID studies to the most cutting-edge DNA research, experts hope that science will help conserve this beloved marine mammal.

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Billfish: Battle on the Line
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26:44
Researchers provide data necessary to protect fish populations from further decline.
Grand Canyman's Famous Stingrays
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26:42
Researchers study what impact ecotourism might have on southern stingrays.
Sea Turtles: The Lost Years
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26:43
Researchers are beginning to understand where turtles go during their “lost years.”
Saving Sawfish
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26:54
Scientists conduct research to save the Smalltooth Sawfish.
Galapagos: Window into the Future
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27:02
Scientists spend a month in the Galapagos Islands to conduct research.
Biggest Fish in the Sea
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26:54
The world’s largest known aggregation of whale sharks occurs just off the coast of Cancun.
Living Fossils
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26:48
Discover Crinoids which have been around since before the age of Dinosaurs.
Reefs of Rangiroa
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26:46
The Changing Seas team meets with researchers in French Polynesia.
Creatures of the Deep
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26:46
New research sheds light on the lives of mysterious creatures of the deep.
Sunken Stories
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26:45
Divers from around the country learn how to map shipwrecks.
Coral Hybrids
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26:45
Follow one scientist studying coral in Belize.
Coastal Carnivores
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27:14
Scientists studying the coastal Everglades make some perplexing discoveries.
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