Science Vocabulary / Chapter 11

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Across
  1. 3. plantations of large-scale plantings of trees that are harvested at one time (340)
  2. 4. the type of harvesting that is usually called logging (332)
  3. 7. a rule that limited the building of new roads in national forests (339)
  4. 9. __-aged stands result from the regrowth of trees that were mostly all cut at the same time (333)
  5. 10. the abbreviation for maximum sustainable yield (328)
  6. 14. the percentage of the earth that is forests (330)
  7. 15. the type of logging that removes snags (underbrush) following a natural disturbance (342)
  8. 17. the clearing of a forest, for example, of building a new residence area north of Denver (335)
  9. 19. a type of cutting where all the mature trees in an area are cut at once (333)
  10. 21. the kind of management that involves scientifically testing different management systems (328)
  11. 22. many forests are ___ rain forests (330).
Down
  1. 1. __-aged stands result from the regrowth of trees that were cut at different times (333).
  2. 2. __ use means that forests were to be managed for recreation, wildlife habitat, and mining (338)
  3. 5. the upper layer of soil that plants grow in (325)
  4. 6. the type of intentional or controlled burns of trees that help restore ecosystems (341)
  5. 8. a system where only some of the trees are cut at once (334)
  6. 11. the killing of wild animals illegally (326)
  7. 12. an approach where small numbers of mature trees are left standing to provide shelter for new seedlings (334)
  8. 13. ___ management is taking care of items in the universe so they are never depleted (324)
  9. 14. wood which is used for houses, schools, and other buildings (327)
  10. 16. a type of tree approach where small numbers of seed-producing trees are left standing (334)
  11. 18. __-growth forests are forests that have never been harvested (logged)(335)
  12. 20. forest management is called ___ (330)