9.7 Case Study: Green Wall China

What was the main purpose of the Great Green Wall initiative conceived in 1978?

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  To build new infrastructure

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  To increase urban development

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  To address the problem of desertification

National Tree Planting Day was institutionalized in China in 1978. How many trees have been produced as part of this national movement in China?

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  ~9 billion trees

• 
  ~38 billion trees

• 
  ~78 billion trees

Which desert in China is being specifically targeted by the Great Green Wall project?

• Gobi Desert

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  Taklamakan Desert

• 
  Kyzylkum Desert

Which technique is used to spread seeds in areas where the soil is not too dry as part of the Great Green Wall project?

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  Aerial seeding by planes

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  Manual planting by farmers

• Underground irrigation systems

What is one of the benefits of the trees planted as part of the Great Green Wall initiative?

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  They improve local tourism

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  They increase desertification

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  They help block wind during dust storms

What innovative solution was developed by researchers to convert desert sands into fertile land?

• Sand barriers

• Plant cellulose paste

• Genetically modified seeds

What is one of the scientific techniques used to enhance the effects of the Great Green Wall project?

• The use of genetically modified trees

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  The development of sand barriers

• The introduction of invasive plant species

What was one of the major challenges faced during the early stages of the Great Green Wall project?

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  Lack of funding

• Soil infertility and water scarcity

• Overpopulation

What is one of the potential negative impacts of transforming desert lands into forests as part of the Great Green Wall?

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  Loss of valuable minerals in the desert

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  Creation of more desert areas

• 
  Increased agricultural productivity