Antarctica Flashcards
(28 cards)
How big is Antarctica?
14 million km²
How much of earth’s ice is stored in Antarctica?
90%
How much of Earth’s freshwater is stored in Antarctica?
70%
What is the average temperature in Antarctica?
-49°C
Which plants grow on Antarctica?
Mosses and lichens
Only tow species of flowering plants grow
Which species live in Antartica?
Fish, seals, whales albatrosses and penguins
What is the state of Antarctica’s ecosystem?
Fragile
How much has the west coast of Antarctica warmed up by in the past 5 decades?
3°C
How much has the krill population declined by since the 1970s?
80%
What is the significance of Antarctica’s krill?
It is the main source of food for penguins, whales and seals
What has caused the decline in the krill population?
Sea ice melting
Example of an overfished species
Patagonian toothfish
How many tonnes of krill were fished from Antarctica in 2013?
200,000
What are the impacts of overfishing?
Less food supply for the other species that rely on them for food
How are albatrosses impacted by fishing?
Many get caught in fishing lines and drown
What minerals can be found in Antarctica?
Coal and iron ore
What are the terms of the ATS?
Antarctica should remain a global common
Countries should cooperate on scientific research in Antarctica
Antarctica should only be used for peaceful reasons - no military presence
What did the 1991 Protocol do?
Banned all mining in Antarctica
Set out rules to regulate waste disposal and pollution
Which global institutions govern Antarctica?
International Whaling Commission
United Nations Environment Programme
What does the IWC do?
Ensures that the whale population is at a sustainable level
What doe the UNEP do?
Reports activity on Antarctica to the UN
What does CCAMLR do?
Aims to stop illegal fishing practices and conserve the Antarctic ecosystem
When was whaling banned?
1982
How many whales were killed by Japan in 2018 for scientific research?
300