What can be done to reduce risk of desertification Flashcards

1
Q

Why is Badia-Jordan experiencing desertification

A
  1. Low rainfall and high temperatures (40 degrees)
  2. Influx of sheep from Iraq led to overgrazing.
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2
Q

List 2 methods to reduce risks of desertification

A
  1. Tree planting
  2. Appropriate technology
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3
Q

How tree planting stops desertification?

A

Tree planting stops desertification by leaf litter to the ground. Improve nutrient cycle.

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4
Q

What is appropiate technology

A

Technology that are suited to their education and economic level.

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5
Q

Examples of Appropriate technology

A

Magic Stone Wall

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6
Q

Where is Magic stone wall used?

A

Senegal

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7
Q

What are Magic Stone Wall

A

Lines of stone walls placed across the fields to slow water run off and prevent soil erosion

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8
Q

How do salinization work?

A
  1. Desert temperatures increase rate of evaporation
  2. Water evaporates bringing salts up to the surface
  3. salt form white rust on surface
  4. soil becomes infertile due to high salinity
  5. Hard to reverse
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