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Recent Projects

A spatially explicit predictive tool depicting resilience to disturbance and resistance to cheatgrass (Bromus tectorum) invasion across the Great Basin.
Efforts to deploy genetically appropriate plant materials build on the concept of local adaptation, that is, the intent to match adaptive genetic characteristics to variation in ecological clines pertinent to plant establishment and persistence. Here, basin wildrye (Leymus cinereus (Scribn. & Merr.) Á. Löve) sources from 25 wild populations are planted at four test sites representing the species distribution across generalized provisional...
This study evaluated the effects of species, sowing depth and dormancy status, and the treatment effect of row cover on field emergence of 20 forbs native to the Great Basin. Implemented at three sites in 2013 and 2014, forb seeds were sown at four planting depths within the expected variation of the Kemmerer Rangeland or Truax Rough Rider drills.
This project will conduct a science-based assessment of the pollinator-friendliness of plant species available for restoration and rehabilitation projects in Region 1.  A guide will be developed for several habitat types to tailor and recommend seed mixes that support the greatest number of species and abundance of pollinators.
The Lassen and Modoc National Forests are revising their Forest Plans, guided by the 2012 Planning Rule. This requires public and tribal input throughout the process and embraces the fact that ecological, social, and economic objectives are interrelated. Because ecological, social, and economic conditions have changed since the original forest plans were written and new science is available, preparing a science synthesis, guided by input from...
Successful ecosystem restoration often relies on outplanting seedlings grown in nurseries. These seedlings must be of high quality; a healthy, vigorous root system is essential. This project examines how root modification achieved in nurseries affects long-term root architecture and current fine-root growth of ponderosa pine.
Grand fir and western hemlock mortality and regeneration dynamics after wildfire and salvage.
Evaluating effects of climate change on whitebark pine trees.
A new fuel loading sampling method is developed to quickly and accurately estimate loadings for six surface fuel components using downward-looking and oblique photographs depicting sequences of graduated fuel loadings by fuel component.
Lick Creek Demonstration-Research Forest: 25-year fire and cutting effects on vegetation and fuels