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Christopher (Kit) O’Connor SNRE Forest Disturbance Interactions

Christopher (Kit) O’Connor SNRE Forest Disturbance Interactions. Disturbance interactions on an Arizona s ky island. C. D. O’Connor, University of Arizona SNRE and LTRR In collaboration with: D. A. Falk, T. W. Swetnam, A.M. Lynch, T. L. Swetnam, R.A. Loehman , and C . P. Wilcox.

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Christopher (Kit) O’Connor SNRE Forest Disturbance Interactions

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  1. Christopher (Kit) O’ConnorSNREForest Disturbance Interactions

  2. Disturbance interactions on an Arizona sky island C. D. O’Connor, University of Arizona SNRE and LTRR In collaboration with: D. A. Falk, T. W. Swetnam, A.M. Lynch, T. L. Swetnam, R.A. Loehman, and C. P. Wilcox How do local and regional processes interact to produce the complex dynamics of western montane forests? What can we learn from these interactions to inform management and to preserve vulnerable ecosystems and human interests? Photo courtesy of MGIO

  3. Putting together the puzzle • Field surveys • 79 plots • 2,594 samples • Plot metrics • Tree and stand characteristics • Lab analysis • Demography • Fire history • Insect outbreaks • Spatial analysis • GIS • LiDAR • Veg modeling

  4. Preliminary results and next steps • Changing dynamics: • Seedling recruitment  • Fire • Insects ? • Management ? • Modeling disturbance interactions R2 = 0.01-0.1 Pval > 0.75 R2 = 0.86-0.88 Pval < 0.04 2005 1726 1921

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