Conservation

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Across
  1. 2. useful for keeping numbers of individuals in endangered species up
  2. 5. number of individuals found in a particualr area of habitat
  3. 6. variation of this sort is crucial for species to evolve
  4. 9. conservation including seed banks, zoos and botanic gardens
  5. 11. restoring damaged habitats e.g slag heaps near mines
  6. 12. list of the endangered species (3,4,5)
  7. 15. addressed by the Rio Convention (7,6)
  8. 18. group of organisms of same species in an area
  9. 20. place in Brazil where convention was held
  10. 21. conserving species in their natural habitat (2,4)
Down
  1. 1. where you find the greates number of species in a woodland
  2. 2. a national initiative identifying species at risk and conservation needs (12,6,4)
  3. 3. when a species disappears
  4. 4. areas which provide opportunity for species to move
  5. 7. carried out before major building projects are started (1,1,1)
  6. 8. species which are used for attracting funding and support e.g panda
  7. 10. maintaining habitats without change
  8. 13. decomposes in woodland to improve the soil (4,6)
  9. 14. agreement controlling import/export and trade of species
  10. 16. becomes limited when breeding in small groups of individuals (4,4)
  11. 17. species with very low numbers
  12. 18. need to be controlled in a managed habitat
  13. 19. open spaces encourage this to reach the woodland floor