Across
- 2. pattern of ecological growth that occurs over time in an area that DOES have soil and may have some vegetaration
- 3. pattern of ecological growth that occurs over time in an area WITHOUT any soil or vegtation
- 5. species that is naturaly found in the area
- 7. prolonged period of dryness leading to water shortage
- 8. species that has been into an ecosystem to which it is not native
Down
- 1. first species to return to an area after disturbance
- 4. Technique used in forestry anf fire management, vegetation and land is set on fire and carefully monitored;
- 6. species that has not been released into an ecosystem to which it is not AND has a negative effect