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Today

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The real tree killers. Combined climate-human influence on SW forests ... Clumps of trees often succumb together. 7. Inside the woods can be quite airy. 8 ... – PowerPoint PPT presentation

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Title: Today


1
  • Todays 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

2
Forest Health
  • Do forests get sick? How?
  • Form
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  • Function
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3
Why Care About Healthy Forests?
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4
  • Spruce Budworm
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5
Current Outbreak
  • Lots of dead trees
  • Still have branches
  • No fire char

6
  • Clumps of trees often succumb together

7
  • Inside the woods can be quite airy

8
  • One management strategy is ____________
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9
Geography
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10
(No Transcript)
11
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12
Deep Time Past
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  • -------?
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13
Scientific Control
  • Treated -
  • Control -
  • Untreated -
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14
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15
1 site
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16
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17
BarkBeetles
18
(No Transcript)
19
  • Any fire effects?

20
(No Transcript)
21
DwarfMistletoe
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22
  • Huge recruitment of ________________ in NM
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23
Late 1800s
1992
24
A Grand Picture
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25
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26
SW Forest Health Key Points
  • ------------------?
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27
Healthy Forest Act (2003)
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