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NOVA - Season 43 - Episode 3 - Mystery Beneath the Ice
Tiny, transparent, and threatened, krill are crucial to the Antarctic ecosystem. But the population of krill is crashing for reasons that continue to baffle the experts. A leading theory says that krill’s life cycle is driven by an internal body clock that responds to the waxing and waning of the Antarctic ice pack, and as climate change alters the timing of the ice pack, their life cycle is disrupted. To test it, NOVA travels on the Polarstern, a state-of-the-art research vessel, to the frigid ice pack in the dead of winter. From camps established on the ice, scientists dive beneath the surface in search of the ice caves that shelter juvenile krill during the winter. There, they hope to discover what’s causing the krill to vanish and, ultimately, how the shifting seasons caused by climate change could disrupt ecosystems around the world.
Genre: Documentary
Actor: Jay O. Sanders, Craig Sechler, Lance Lewman
Guest Stars: Jay O. Sanders
Creators:
Writers: Nic Young, David Sington
Country: USA
Languages: en,
Episode: 3
Runtime: 55
Date Modified: 2015-10-07 00:00:00
Air Date: 2016-01-20
Year Released: 1974
Rating: 7.517 out of 10
Content Rating: TV-PG
Views: 51
Quality: HD
Networks:
PBS,
Also known as: PBS新星Nova, نوا, نووآ, PBS Nova, PBS NOVA
Keywords:Nature
Candid
Inspirational
Factual
Dramatic
Informative
Instructive
Science
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