Connie Millar, Climate Change Symposium
Connie Millar, Climate Change Symposium
Connie Millar, Climate Change Symposium
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A New & Distinct Threat? Sudden Aspen Decline/Dieback<br />
(SAD) Appearing in SW Colorado after 2006…<br />
Predisposing Factors<br />
• Old-age stands<br />
• S/SW aspects<br />
• Low-mid elevations<br />
Climatic Factors<br />
• Drought<br />
• Warming<br />
Secondary Factors<br />
• Insects, pathogens<br />
San Juan Mtns , CO<br />
Photo A. Watkins<br />
Photo P. Kemp