Today

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• 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

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Forest Health

• Do forests get sick? How?
• Form
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• Function
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Why Care About Healthy Forests?

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• Spruce Budworm
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Current Outbreak

• Lots of dead trees
• Still have branches
• No fire char

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• Clumps of trees often succumb together

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• Inside the woods can be quite airy

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• One management strategy is ____________
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Geography

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Deep Time Past

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Scientific Control

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1 site

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BarkBeetles
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• Any fire effects?

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DwarfMistletoe

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• Huge recruitment of ________________ in NM
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Late 1800s
1992
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A Grand Picture

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SW Forest Health Key Points

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Healthy Forest Act (2003)

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