White Pine Decline in Maine - The University of Maine - School of ...

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High Crown Damage Related to HWA Infestation > 10%
• Calculates probability of location being a decline site • Uses stepwise procedures • Selected – January Minimum Temperature (avg) – Slope – Hillshade Logistical Regression Predicted Actual Decline Actual Nondecline Actual Total Decline 19.00000 1.00000 20.00000 Non- 1.00000 20.00000 21.00000 decline Predicted 20.00000 21.00000 41.00000 Total Correct 0.95000 0.95238 Total Correct = 0.95122%
Page 1 and 2: A Risk Map for Hemlock Woolly Adelg
Page 3 and 4: HWA Impacted by Cold Temperatures H
Page 5 and 6: Hypotheses • Cold temperatures an
Page 7 and 8: • Composite score - % new growth
Page 9: Declining Trees Require High Levels
Page 13 and 14: Non-declining hemlock stands not li
Page 15: Thanks To: Conclusions •Northern

White Pine Decline in Maine - The University of Maine - School of ...

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