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The Importance of Sea Ice for Polar Life

Jun 5, 2025

Netflix Original Documentaries

Introduction

  • 50 years ago, humans ventured to the moon for the first time.
  • The human population has more than doubled since then.
  • The series celebrates the wonders of nature and its planet and reveals the necessities for the survival of nature and people.

Frozen Worlds

  • Antarctica:
    • The coldest place on Earth, frozen for 30 million years.
    • The ice in its center is more than 4 kilometers thick.
    • Winter freezes a vast area of ocean to increase the ice cover.
    • Spring melts the sea ice and life returns.

Life in Antarctica

  • Gentoo Penguins:
    • Spend most of their lives at sea, returning to shore in spring to breed.
    • Face difficulty reaching their nesting areas.
  • Diversity of organisms in the northern peninsula.
  • Melting sea ice leads to the flourishing of algae and the appearance of Antarctic krill.

Environmental Changes

  • Rising temperatures threaten krill populations and affect whales.
  • Disappearance of sea ice threatens the future of marine animals in Antarctica.

The Arctic

  • Not a continent, but a frozen ocean surrounded by land.
  • Polar bears rely on sea ice for hunting.
  • Changes in sea ice make hunting difficult and alter prey populations.

Impact of Climate Change

  • The sea freezes later, affecting seals and bears.
  • Disappearance of sea ice threatens the survival of polar bears.

South Georgia Island

  • An ideal place for wandering albatrosses to breed, but threatened by food scarcity.
  • Sea lions exploit the presence of king penguins as prey.

Conclusion

  • Sea ice plays an important role in climate regulation and protecting planet Earth.
  • The balance of sea ice is being lost due to climate change, threatening polar life.

Call to Action

  • The necessity to preserve polar wildlife.
  • Visit the website for additional information.