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Soil Erosion & Desertification


Describe how economic activities may lead to soil erosion and desertification at a local and global level

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Soil Erosion & Desertification


Describe how economic activities may lead to soil erosion and desertification at a local and global level

Desertification is the gradual transformation of habitable land into desert.

Soil degradation is a global process. It involves both the physical loss (erosion) and the reduction in quality of topsoil associated with nutrient decline and contamination.

 

TASK

  1. Define soil degradation and desertification
  2. Read p 232
  3. Note 3 facts about the global problem of soil degradation
  4. Explain how deforestation, overgrazing and agricultural mismanagement contribute to soil degradation
  5. Make a copy of Fig. 10 p233
  6. Create a mind map explaining the consequences of desertification
  7. Watch and make notes on the case study videos below
 

EXAMPLES

Watch the videos and make notes on the case study details.

Soil erosion in the Yellow River, China

Desertification in Niger

 

Project Work

In groups, create something to explain the link between human activity and environmental damage. Choose from one of the topics below.

  • Agricultural Change in Argentina's Pampas
  • Oil production in the Niger Delta
  • The Threat to Australia's Great Barrier Reef

Use information from the textbook as well as online sources to make something creative.

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Sustainable Development & Management


Demonstrate the need for sustainable development and management of Europe's fish stocks

Sustainable Development & Management


Demonstrate the need for sustainable development and management of Europe's fish stocks

What do you understand by the following terms?

sustainable development

resource management

 
 

Sustainable development is a carefully calculated system of resource management which ensures that the current level of exploitation does not compromise the ability of future generations to meet their own needs.

Resource management is the control of the exploitation and use of resources in relation to environmental and economic costs.

 
 

KEY WORDS

fish stocks 

catch

Common Fisheries Policy

maximum sustainable yield

quota (kwo-tah)

 
 Fishing and resource management

Fishing and resource management

 

CASE STUDY: COMMON FISHERIES POLICY

Established in 1983 with two aims:

  • Protect Europe's fish stocks

  • Protect Europe's fishing business and coastal communities

But, by 2009:

  • 88% of fish stocks overfished
  • 30% of fish at risk of disappearing
  • 40% fewer fisherman
  • 25% fewer boats
  • 45% reduction catch

Explain how quotas work

What solutions are proposed?

Describe the problems of the CFP

What is being done about this?