Extreme environment Lesson 6 Flashcards

1
Q

At other threats are there?

A

Threat of Human activity
Tourism and ecology
Global climate change
Sense of community ( cultural dilution)

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2
Q

What possible response are there for climate change?

A
  • Buildings pile deeper into the ground

- Findings of new sources of energy

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3
Q

State the global solutions;

A

Attempt to limit climate change
UNeTP action
Antartic Treaty

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4
Q

What are the local solutions?

A
  • Protected areas
  • National Park and conservation style
  • giving rights
  • limiting resource exploitation
  • Arviat Climate Change Adaptation partnership
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5
Q

What are the protected areas?

A

Artic National Wildlife Refuge( ANWR)

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6
Q

What rights do they give?

A

Land and protection to indigenous peoples and their traditional lifestyles

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7
Q

What are the main causes of desertification?

A
  • natural disasters
  • population change
  • underdevelopment
  • best land seized by TNC
  • civil wars/ political instability
  • salinisation
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8
Q

What are some of the land use causes?

A
  • intensive grazing
  • over cultivation
  • over exploitation of vegetation
  • salinisation of irrigation of Cropland
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9
Q

How does salinisation occur?

A

When water in soils evaporates in high temperature, drawing salts from the soil to the surface.

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10
Q

Describe these salts?

A

These salts are toxic to many plants and make the land unusable.

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11
Q

What happens to the atmosphere due to climate change?

A

Increased aridity

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12
Q

What happens at increased aridity?

A

Rainfall is already low ( could become full blown deserts)

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13
Q

In which direction is the Sahel rain belt moving in?

A

North ( away from populated areas)

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14
Q

What do the Normads lose?

A

Livelihood

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15
Q

What happens at sand dune threats?

A

Old sand dune systems reactivate and start to move again.

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16
Q

What else do the climate change?

A

Refugees

17
Q

Where are the refugees likely to move?

A

Towards coastal cities