Across
- 3. Fish farming
- 5. Mining for stones and metals in river sediments
- 6. Removing all of the (marketable) trees from an area of forest.
- 9. Removing all mature trees in a few cuttings over a period of ten years.
- 11. Type of animal farm that has the largest carbon footprint
- 12. Only using the resources available and replenishable, no more.
- 14. Tragedy of the Commons assumes everyone in a community will act in their own self _________
- 17. Surfaces that don’t allow water to be absorbed, like roads and sidewalks.
- 18. Build-up of pesticides in an animal
- 19. Slash & burn technique will only work for about ____ years.
- 20. Scientists modify the DNA of these organisms to increase their profits.
- 21. Any non-target species caught by fisherman.
- 22. Most efficient and expensive type of irrigation
- 23. Crops that grow for years and years develop deep root systems that hold onto soil.
- 25. The idea that, as urban areas fill up, more people leave and expand outside the city.
Down
- 1. Chemicals that prevent the crops from being consumed by insects and pests.
- 2. Irrigation method with trenches filled with water
- 4. Removal of some or small portions of trees
- 6. Large quantities of animals kept in small spaces to maximize profits
- 7. Revolution where technology helped to increase crop production by the use of fertilizers.
- 8. Makes farming in AZ possible
- 10. Overuse of pesticides can lead to _____________.
- 13. The sustainable _______ is the amount of a resource that can be removed that does not exceed the growth of the resource.
- 15. Any waste or leftover material from mining.
- 16. Large plantings of a single crop
- 24. A large underground body of water