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
2
Q
Loss of summer sea ice has accelerated/decelerated/stayed the same over the past four decades?
A
Accelerated
3
Q
What species depend on sea ice?
A
Pagophilic
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.
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.