Across
- 3. the process of replacing trees that have been cut down
- 7. the division of habitats into smaller, isolated fragments
- 10. resource use
- 12. the ways in which we use land, for urban development, agriculture, industry, mining, and forestry
- 13. the destruction of habitats that usually resulst from human activities
- 14. damage to soil-ex. as a result of deforestation or the removal from topsoil from bare land by water and wind erosion
- 15. the clearing or logging of forests without replanting
Down
- 1. the use or extraction of a resource until it is depleted
- 2. the introduction of chemicals, toxins, wastes, or microorganisms into the environment in concentrations that are harmful to living things
- 4. ecological info, passed down through generations, that reflect human experience with nature
- 5. the ways in which we obtain and use naturally occuring materials such as soil, wood, water, gas, oil or minerals
- 6. the squeezing together of soil particles so that the air spaces between them are reduced
- 8. a process of extracting resource ore
- 9. the expansion of a city/its suburbs
- 11. the dying out of a species; when their numbers reach 0
- 14. the ability of an ecosystem to sustain ecological processes and maintain biodiversity over time; maintaining ecosystem health now and later
