Review of the primary trees found in Southern Oregon with some succession review

1. TREES OF OREGON
REVIEW

2. INCENSE CEDAR

3. WESTERN JUNIPER

4. PONDEROSA PINE

5. SUGAR PINE

6. WESTERN WHITE PINE

7. DOUGLAS FIR

8. WHITE FIR

9. RED FIR (MT. ASHLAND & CRATER LAKE)
Difficult to tell from noble fir due to hybridization

10. NOBLE FIR (GROWS IN CASCADES)
Hybridizes with white fir and red fir

11. PACIFIC YEW

12. MOUNTAIN HEMLOCK

13. BIG LEAF MAPLE

14. OREGON ASH

15. WILLOWS

16. BLACK COTTONWOOD

17. WHITE ALDER

18. OREGON WHITE OAK

19. CALIFORNIA BLACK OAK

20. PACIFIC MADRONE

21. GOLDEN CHINQUAPIN

22. WHAT IS SUCCESSION?
•The natural, gradual change of an area

23. WHAT’S THE DIFFERENCE BETWEEN PRIMARY AND
SECONDARY SUCCESSION?
• Primary= Everything obliterated. Starting without
soil.
• Secondary= Major disturbance but didn’t wipe out
everything living; happens much faster

24. WHAT TWO ORGANISMS HAVE A MUTUALISTIC
RELATIONSHIP TO CREATE LICHEN?
•Algae and Fungus!

25. WHAT THREE FORMS DO LICHEN TAKE?
•Crustose
•Fruticose
•Foliose

26. LICHEN BODY FORMS
Crustose
(crusty)
Fruticose
(shrubby)
Foliose
(leafy)

27. WHAT ARE THE FIRST ORGANISMS TO COLONIZE
AN AREA CALLED?
•Pioneer species

28. LABEL THIS DIAGRAM WITH THE CORRECT STAGES
OF FOREST SUCCESSION

29. GOT THAT ONE? TRY THIS ONE:

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