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Today’s topioc: Forest Health Issues Forest Health Defoliator Outbreaks How to determine Scientific “control” Timing, extent, patterns Relationship with fire The real tree killers Combined climate-human influence on SW forests http://cpluhna.nau.edu/index.htm. Forest Health.

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Presentation Transcript

Today’s topioc:

Forest Health Issues

  • Forest Health

  • Defoliator Outbreaks

    • How to determine

    • Scientific “control”

    • Timing, extent, patterns

    • Relationship with fire

  • The real tree killers

  • Combined climate-human influence on SW forests

    http://cpluhna.nau.edu/index.htm


Forest health
Forest Health

  • Do forests get “sick”? How?

  • Form

    • -

    • -

    • -

  • Function

    • -

    • -



Spruce Budworm

  • -

  • -

  • -

  • -

  • -

  • -


Current outbreak
Current Outbreak

  • Lots of dead trees

  • Still have branches

  • No fire char





Geography
Geography

  • -

  • -

  • -

  • -



Deep time past
Deep Time Past

  • -

  • -

    • -------?

    • -------?


Scientific control
Scientific “Control”

  • “Treated”: -

  • “Control”: -

    • “Untreated”: -

    • -

    • -

  • -


  • -

  • -


1 site

  • -

  • -


  • -

  • -

  • -


Bark beetles
BarkBeetles



Dwarf mistletoe
DwarfMistletoe

  • -

  • -




A grand picture
A Grand Picture

  • -

    • -

    • -

    • -

  • -

    • -

    • -


  • -

  • -

    • -

    • -


Sw forest health key points
SW Forest Health Key Points

  • ------------------?

    • -

  • -

    • -

  • -

    • -

    • -

  • -



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