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Do now – Question

Do now – Question. Do deserts grow?. Another Way deserts occur. Aral Sea – Russia. New material – Chapter 9. With the use of your notes, not your text book, tell me w hat are five important topics that you found in the reading? List them in order of importance 1. 2. 3. 4. 5.

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Do now – Question

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  1. Do now – Question • Do deserts grow?

  2. Another Way deserts occur • Aral Sea – Russia

  3. New material – Chapter 9 • With the use of your notes, not your text book, tell me what are five important topics that you found in the reading? • List them in order of importance • 1. • 2. • 3. • 4. • 5.

  4. New Material • Why is our mid-west one of the best places to grow foodstuffs such as corn, wheat, soybeans,… • In your own words explain land degradation. • Basic Definition - General deterioration of the land which impacts productivity, biodiversity, impairs function of ecosystems and reduces service or use.

  5. New material – Chapter 9 • How does most erosion occur? Meaning by what method? • Give examples where this has happened?

  6. New material – Chapter 9 • Erosion in real life

  7. New material – Chapter 9 • What are three causes of erosion (meaning types of erosion)? • Water • Wind • Chemical and soil structure (what makes up the soil such as sand, silt,… and that combination.

  8. New material – Chapter 9 • Dust Bowl in America. What were / are some causes and solutions? • Causes • Solutions - No till farming, crop rotation, shelter belts (these are the most common in North America)

  9. New material – Chapter 9 • Explain each of the following farming methods (without your books) by tables. • Crop Rotation • Contour farming • Terracing • Intercropping

  10. New material – Chapter 9 • Crop Rotation • Contour farming • Terracing • Intercropping

  11. New material – Chapter 9 • What are the Pros & Cons of irrigation practices? Especially over-irrigating. • What role does salinization play in over-irrigating and how does it occur?

  12. New material – Chapter 9 • Overgrazing and Wetlands • Broke into two groups. • One group covers the positive feed back loop created by overgrazing with all the impacts. • The other group looks at why people should not drain wetlands either for irrigation or person use.

  13. Reminder of Homework • Due Monday in class - Chapter 10 pages 252- 260, stopping at We depend on insects to pollinate crops. • You must take notes in your notebooks and / or computer. This will count as a quiz grade. • Final Essay on your position paper on Global Climate Change with proper citations and bibliography due Sunday night (Jan. 8th 2012) by 10:00 PM EST.

  14. Before you leave! • Please pick up any and all trash around you. • Place ALL the chairs on the desks. • Good luck to our teams!

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