Antarctica Flashcards

1
Q

Where is Antarctica located?

A

Southwards from other continents
5th largest continent

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2
Q

What is Antarctica in terms of continent? Climate - 2 things

A

Driest continent and largest desert

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3
Q

Why does Antarctica have very little snow or rain?

A

Temperature

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4
Q

How thick can the ice be ?

A

Up to 4km thick in some places

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5
Q

How do floating ice shelves form?

A

By ice flowing off the continent and these shelves break to make icebergs

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6
Q

How much of the world’s oceans would rise if Antarctica’s ice sheets melted?

A

60-65 meters

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7
Q

Who is Antarctic governed by?

A

Antarctic Treaty

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8
Q

What is the sea called that surrounds Antarctica?

A

Antarctica sea

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9
Q

Why do no one own Antarctica?

A

Cold War

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10
Q

What does ATS mean?

A

Antarctica Treaty system

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11
Q

What does the ATS regulate?

A

International relations

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12
Q

When was ATS introduced?

A

1961

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13
Q

How many countries signed the ATS?

A

53 countries

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14
Q

What are 2 agreements about ATS?

A

No nuclear testing
Freedom of scientific research

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15
Q

When do the ATS group meet and why?

A

Annually and discuss territory issues

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16
Q

What else does the ATS designate?

A

Protected Areas through schemes

17
Q

What is an example of a scheme that protects areas?

A

Antarctica Specially Protected Areas - ASPA

18
Q

What does the ocean support?

A

Marine life

19
Q

When did whaling and fishing start in Antarctica?

A

19th century

20
Q

What has whaling resulted in?

A

Whale population declining dye to massive exploitation

21
Q

Give us a fact about whaling population in 1960?

A

Population declined by 90%

22
Q

Why do certain countries want to hunt whales?

A

Because they provide a range of products

23
Q

What are the 2 fish species that were sought after?

A

Krill and Antarctica Toothfish

24
Q

What are 3 risks to Antarctica linking to fishing?

A

Overfishing
Destruction of marine habitats
Contamination

25
Q

What is the global body called that is responsible for conservation of whales?

A

International Whaling Commission - IWC

26
Q

Where are the 2 main whaling stations?

A

South Shetlands and South Georgia

27
Q

What do Krill feed on?

A

Phytoplankton

28
Q

What is phytoplankton?

A

Single celled, microscopic plants that drift near the ocean’s surface

29
Q

Why is scientific research and tourism a threat to Antarctica?

A

Some degree of disturbance to wildlife and environment

30
Q

How is there some degree of disturbance to wildlife and environment? 2 points

A

Oil spills
Tourism season coincides with peak breeding season

31
Q

What is seaborne tourism?

A

Cruises with opportunities to transfer to smaller boats for landing or cruising close to shore

32
Q

What is airborne tourism?

A

Flying - scenic flights over continent or in some cases landing

33
Q

What are fly cruises?

A

Visitors land on King George Island from flights and onto a cruise boat

34
Q

How many tourists were there landing in Antarctica in 2018?

A

56000

35
Q

What about in the past year, how many tourists?

A

105000

36
Q

What is the body responsible for regulating tourists?

A

International Association of Antarctic Tour Operations - IAATO