Changing Seas - Our Oceans in Peril | Ocean Documentary

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Episode 1: No Fish Left Uncounted - 00:00:00
How do you count two fish, three fish or even a school of fish? A team of scientists joined forces to conduct a massive fish census in Dry Tortugas National Park.

Episode 2: Sentinels of the Seas - 00:25:43
Bottlenose dolphins are a Florida icon. But recent studies show disturbing signs of immune system dysfunction and disease plaguing this charismatic mammal.

Episode 3: Seagrasses and Mangroves - 00:51:24
They are an ancient species of flowering plants that grow submerged in all of the world’s oceans. Seagrasses link offshore coral reefs with coastal mangrove forests.

Episode 4: Sinking the Vandenberg - 01:17:05
Off Key West lies the world's second largest intentionally sunk shipwreck, the USNS General Hoyt S. Vandenberg. This artificial reef is attracting fish, anglers and divers.

Scientists and explorers uncover the wonders of Earth's underwater wilderness. Along the way, they make scientific breakthroughs and highlight how human activity can impact the oceans.

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