Joel M. Egan

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From 1991 to 1996, Jeffrey pine beetles (Dendroctonus jeffreyi Hopkins) (JPB) caused tree mortality throughout the Lake Tahoe Basin during a severe drought. Census data were collected annually on 10,721 trees to assess patterns of JPB-caused mortality. This represents the most extensive tree-level, spatiotemporal dataset collected to-date documenting bark(More)
PROJECT OBJECTIVES: To monitor changes in tree population health, fuel loadings, and fire hazard on a high elevation landscape using an extensive gridded plot network JUSTIFICATION: a. Linkage: Monitoring from FHM (aerial surveys), FIA, and FHP-ground surveys have indicated increases in mountain pine beetle-caused lodgepole pine mortality throughout Region(More)
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