1. How are these pictures linked?

2. Desertification Case study By the end of the lesson you will; 1)Described the causes of desertification in Ghana 2)Have explained how the risk of desertification can be reduced 1)Have applied your new knowledge

3. HW Research how charities have helped to reduce the impacts of drought and desertification. Bring in research next lesson to be used in a class discussion

4. Case study time; Task Around the room are a series of fact cards on Ghana You need to make notes on the case study sheet You need to answer the following questions 1.Where is Ghana? 2.What is the climate of Ghana like? 3.What are the characteristics of the population? 4.What are the main trends in the landscape? 5.How does land management contribute to desertification? 6.How does commercial farming contribute to desertification? 7.What do different groups of people thing about commercial farming?

5. How much can you remember? Task 1.Work in a group to remember as much of the diagram as possible 2.1 minute to remember as much as possible 3.Non verbal communication 4.Good luck

6. Case study Summary Where is Ghana? West Africa, east of Cote D’ivoire, and west of Togo Climate of Ghana; Northern Ghana is the driest (dry season of 8 months) It is Savanna forest and grassland The further south, the more fertile the land Population of Ghana; The richest people live in Greater Accra Generally, the further north travelled, the greater the number of people living under $300 Rural families earn less money than urban families Land management contributing to desertification Traditionally crops are grown using a bush fallow system Crops such as maize and root vegetables are grown for 1- 3 years The land is then left abandoned for 8-15 years This means that it will regain its fertility as natural shrubs will grow back This method will work as long as the villagers keep the area uncultivated for the correct period of time Commercial farming Lots of land bought by TNC’s to grow cash crops The land is now commercial land rather than the traditional bush fallow land Jatropha is one of the different crops that is grown by companies such as Agroils Up to 37% of the land is now dedicated to growing this crop 5 million hectares of land is used for Agribusiness.

7. Desertification Case study By the end of the lesson you will; 1)Described the causes of desertification in Ghana 2)Have explained how the risk of desertification can be reduced 1)Have applied your new knowledge

8. Preventing Desertification; Task Watch the following video clipvideo clip Answer the following question; 1.Why has the desert got bigger? 2.What are they doing to try and reduce the risk of desertification? 3.How successful has this been? Key ideas Acacia trees are planted in areas of desert They provide nutrients for other plants in the area Restores fertility of the soil Natural and found locally People are educated as to how to reduce the impacts of desertification Food for animals – reduces risk of overgrazing Money for locals (don’t cut down trees) Value the resources rather than cut them down Aiming to produce a green corridor along the whole of the Sahel region

9. Preventing Desertification; Key Schemes 1.27 million pounds has been given by the Canadian Government to invest in projects to help reduce the impacts of desertification 2.10,000 saplings have been planted and donated to improve the vegetation cover around the River Volta. 3.Bunds have been constructed to reduce risk of further desertification How do you think that these help? Any water that flows will be trapped Any soil that is moved by the water will be trapped behind the bund The trapped moisture will soak into the soil, recharging the soil Grass is planted on the top to make it more stable

10. MethodHow does it prevent desertification? Tree planting Collecting rainwater Building terraces Planting grass strips Building small rock dams More effective wood stoves Key words; Interception Erosion Surface run off Percolation Precipitation Aquifer Evapotranspiration Roots Groundwater flow Leaf drip Reducing desertification; Task How will each method reduce the impacts of desertification Link in the key words used in the lesson Which of the different methods is the most effective?

11. Desertification Case study By the end of the lesson you will; 1)Described the causes of desertification in Ghana 2)Have explained how the risk of desertification can be reduced 1)Have applied your new knowledge

12. Applying new knowledge; 1.Describe the location of deserts around the world (3 marks) 2.Describe and explain the solutions to desertification in Africa (5 marks) Q1; Peer assessment; 1.Student includes country names 2.Student includes general trend (Tropic of Cancer / Capricorn) 3.Student adds in an example of a desert 4.3 points included Q2; Peer assessment; 1.Student names at least 2 methods of reducing desertification 2.Student explains how they will reduce the impacts 3.Student adds in at least one Geographical world Extension; Write down a WWW / EBI for the work completed

13. Desertification Case study By the end of the lesson you will; 1)Described the causes of desertification in Ghana 2)Have explained how the risk of desertification can be reduced 1)Have applied your new knowledge

14. What do you know? What do you call the ditches used to collect rainwater and soil? What section of Ghana is at risk of desertification? how long does a field have to be left to regain its fertility? What is the name of the cash crop grown in Ghana? What do you still want to know about this?

15. Ghana Desertification case study Where is Ghana? Climate of Ghana; Population of Ghana; Land management contributing to desertification Commercial farming Humans causing desertification Solutions