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Research Projects

Forest Restoration after wildfire

In July 2012, the high-severity Arapaho Fire burned ~40,000 ha in the Northern Laramie Mountains of Wyoming, including the University of Wyoming’s Rogers Research Site (RRS). To understand recovery of the ponderosa pine ecosystem, restoration treatment were established at RRS.

View of burned ponderosa pine forest at Rogers Research Station


Project objectives:  Understand how wildfire and subsequent post-fire managements strategies affect a) ponderosa pine seedling survival, fitness, and pine regeneration from seed, b) post-fire vegetation community composition and dynamics, including invasive species, c) soil biogeochemical properties and processes, and d) soil microbial community and associated processes.



Ponderosa pine seedlings were planted and seeded in the various restoration treatments, but two years after seedling planting, average seedling survival in the hand-planted treatment was extremely low and natural regeneration and regeneration from broad cast seeding was almost nonexistent.

Current research is focused on understand the role of mycorrhizal fungi in seedlings estblishment and growth.






Bark Beetle

Invasive plants

Sagebrush microbiomes

Project objective: Characterizing soil, plant-associated, and insect-associated microbiomes in sagebrush communities along a climate gradient in Wyoming.








Project is led by postdoctoral fellow Paul Ayayee as part of the Microbial Ecology Collaborative.


1000 E. University Ave. Laramie, WY 82071
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