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Understanding Demography, Agriculture, and Environmental Impact: Key Concepts and Insights

This review explores critical concepts in demography and agriculture, highlighting the IPAT equation, age structure diagrams, and the impact of factors like AIDS on public health. It delves into the significance of no-till farming, the degradation of soil, and the history of the Dust Bowl. Readers will gain insights into population growth, family planning, and the essential role of women in agriculture. Key chapters include detailed discussions on soil formation, agriculture practices, and the dynamics of land use, providing a comprehensive understanding of environmental sustainability.

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Understanding Demography, Agriculture, and Environmental Impact: Key Concepts and Insights

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Presentation Transcript

  1. Do now – Jaywalk All Stars

  2. Do now – Jaywalk All Stars

  3. Review • Quiz and then chapter 9 material

  4. New Material • Strong nations tend to have slow population growth. Why? • What is IPAT? • Impact = Population x Affluence x technology, sometimes add S for sensitivity, meaning development in a sensitive area. • Demography? What is it?

  5. New Material • Age Structure diagrams

  6. Review • Transition Demographics – explain the chart below

  7. Review • Fertility Decline in Bangladesh (Matleb Project) • Family planning • Role of the female in the family • Graph on page 218 • Impact of AIDS • Is AIDS an epidemic here in the US? Yes or no and explain.

  8. New material – Chapter 9 • No-tilling farming • What is it and why is important? • Agriculture vs. Cropland vs. Rangeland • How and why soil gets degraded • How and why did agriculture come to be?

  9. New material – Chapter 9 • Traditional agriculture • Monoculture – give an example and give an example of how or when it failed.

  10. New material – Chapter 9 • Soil formation: • Parent material • Bedrock • Weathering of the rock • Physical versus chemical • Soil profile - Horizontal

  11. New material – Chapter 9 • Soil profile – Horizontal • O Horizon, then A, E, B, C, R • Topsoil vs. clay • Page 230 (top of page) • Land degradation and erosion • Desertification • The dust bowl

  12. New material – Chapter 9 • The Dust Bowl • How did this happen and when?

  13. New material – Chapter 9 • Soil profile – Horizontal • O Horizon, then A, E, B, C, R • Topsoil vs. clay • Page 230 (top of page) • Land degradation and erosion • Desertification • The dust bowl

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