Blue planet. Frozen seas. Episode 4
Description
Life on the edge of a frozen sea is tough. Pack-ice at both poles is constantly on the move, and in winter it freezes solid. Only in spring, does life begin again. Witness the plankton bloom and how this feeds vast hordes of migrating fish, birds, whales, seals and polar bears. Walruses also rake the seabed for clams during this time. But it is a brief respite, for the ice soon returns.
Runtime
49 minutes
Series
Subjects
Genre
- Science television programs (123)
- Nature television programs (152)
- Documentary television programs (6848)
Database
Alexander Street
Direct Link
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