Bannister 110

The docent training and information session for May 2, 2015 has been cancelled however we encourage you to contact Pamela Pelletier at pamela@email.arizona.edu or 520.621.0984 for more inofrmation on the LTRR Outreach Program. We will be sending announcements out regarding the next docent session and hope to see you there!

Proliferation of shade-tolerant species during the period of fire exclusion has been put forth as a major driver of increased severity of fire and insect outbreak regimes in mixed-conifer forests of the interior West.  Both fire regimes and insect defoliator outbreak regimes are responsive to closed and multi-storied canopies.  Douglas-fir tussock moth (Orgyia pseudotsugae) and western spruce budworm (Choristoneura occidentalis), both major pests in interior West forests, are particularly responsive to the presence of white fir (Abies concolor).  However, quantitative studies chara