Antarctica Flashcards
1
Q
Outline how Antarctica is governed
A
- Antarctic Treaty applies to all ice shelves and land south of 60 degrees south (not the high seas)
- ATS (Antarctic Treaty System) states there shall be no military activity or complete freedom of scientific investigation
- Madrid Protocol states there shall be no mineral resources activities other than for scientific research- however, it is reviewed in 2048
2
Q
Outline how climate change is a threat to Antarctica
A
- Western Antarctic Peninsula warmed by 3 degrees over past 50 years - 5x global average, Antarctica losing 150 billion tons of ice per year
- ACC (Antarctic Circumpolar Current) warming faster than rest of ocean
- Krill populations declined by 80% since 1970s possibly due to decreasing ice extent (they have less algae to feed on)
- Emperor penguin populations declined by up to 50% in some areas due to ice melting
3
Q
Outline how whaling is a threat to Antarctica
A
- IWC (International Whaling Commission) imposed a ban on commercial whaling when it was founded in 1982
- However, Japan continued under the guise of “scientific research”
- 2014 International Court of Justice ruled that Japan should cancel all “scientific whaling” permits in the Southern Ocean
- However, Japan simply issued itself a new permit for killing hundreds of Antarctic Minke whales each year till 2027
- These whales have low reproductive rates so are incapable of rebuilding their numbers quickly
4
Q
Outline how tourism is a threat to Antarctica
A
- 1990s around 5000 annual tourists
- 2022-2023 over 100000 tourists
- Ships may introduce harmful organisms
- Damaging environment
5
Q
Outline how mining and scientific exploration is a threat to Antarctica
A
- Madrid Protocol which bans mineral resource activity (other than for scientific research) is reviewed in 2048
- Estimates suggest around 80 million barrels worth of oil are under Antarctic Ice - worth around $40 trillion
- Melting ice makes resources more accessible
6
Q
Outline how climate change is not a threat to Antarctica
A
- Ice extent growing on East side of Antarctica
- Over 80% of the world is signed up to ATS
7
Q
Outline how fishing/whaling is not a threat to Antarctica
A
- Founding of CCAMLR in 1982 launched catch quotas for krill
8
Q
Outline how tourism is not a threat to Antarctica
A
- More visitors (who tend to be wealthy) raises more awareness for the conservation of Antarctica and puts more pressure on governance
- They can also contribute to funding
- Tourist companies must have a permit from an ATS member country
9
Q
Outline how mining and scientific exploration is not a threat to Antarctica
A
- Changes to the Madrid Protocol must be made unanimously
- Oil extraction is expensive with extraction costs currently greater than selling costs: $100/barrel to extract, selling for $50/barrel