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Nature | Clip | Otters & Orcas: An Alaskan Mystery

In this bonus scene from-The Serengeti Rules, scientist Jim Estes discovers the collapse of the kelp forest ecosystem he had once seen thriving in the 1970s. He determines how it’s caused by a ripple effect from the Pacific Northwest whaling business in the 1990s, changing the predation of orcas, thereby decimating the otter population and the kelp forest ecosystem by extension.

S38 E2 | 0:05:22 | AIRED: 10/9/2019 |
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