Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5
Case Studies Index

Activity 2 Environmental Impact... Continued (20 minutes)

  1. Negative impacts on soils  including:
    - Loss of nutrients/fertility especially from reducing soil organic matter additions
    - Changes in soil structure and soil chemistry
    - Salination and alkalization from irrigation and inorganic fertilizers respectively
  2. Eutrophication of water bodies from:
    - Inorganic fertilizer run-offs
    - Excess manure run-offs
  3. Negative effect of applied chemicals including:
    - Loss of useful insects such as the pollinators
    - Possible impacts on human health
    - Impact of chemical residuals in the ecosystem
  4. Narrowing of crop/animal diversity in favour of high yield varieties
  5. Potential for overgrazing and trampling of land in livestock areas

Use the table on the next screen and match activities described above with various resource and environmental impacts. The second row has been done for you to illustrate

outcomes
What is GDP?
print version


BACK