Sea Ice Decline Flashcards

1
Q

Antarctica and the arctic have how much thickness of sea ice?

A

Antarctica - 1-2 meters

Arctic - 2-3 meters

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2
Q

Loss of summer sea ice has accelerated/decelerated/stayed the same over the past four decades?

A

Accelerated

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3
Q

What species depend on sea ice?

A

Pagophilic

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4
Q

What are two species that are examples of animals that use sea ice as a subsitute for land for reproduction?

A

Emperor penguin and weddell seal. The loss of this ice will therefore massively impact on species size.

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5
Q

Why does sea ice impact on the food chain?

A

Juvenile krill and algae use sea ice as a habitat. Polar ice are indirectly but heavily dependent on ice algae.

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