The authors implemented field experiments to determine the effects of an array of temperature and moisture treatments on ponderosa pine regeneration following disturbance, such as wildfire.

The authors developed models of very large fire occurrence (> 5000ha) using solely atmospheric climate predictors and compared the modes to the observed spatial and temporal variability across ecoregions of the U.S. to identify the most important climate variables driving large fire occurrence and to understand how large fire occurrence may be change due to future climate changes.

The authors examined regional trends in large fire occurrence, total area burned, fire size, and day of year of ignition from 1984 to 2011. The authors also assessed trends in climate indicators including maximum temperature, precipitation, and the Palmer Drought Severity Index (PDSI).

The authors characterize fire activity and/or area burned and fire severity variability along a gradient of fuel amount and fuel moisture within wilderness areas using actual evapotranspiration (AET) and water deficit (WD), respectively, as regional proxies.

The authors examined the future likelihood of occurrence and potential changes in the seasonal window for very large wildfires (VLF, >50,000 ac) based on an ensemble of 14 downscaled global climate projections and two representative concentration pathways. They looked at the effects of specific climate predictors on very large wildfire potential through the 21st century.

The authors examined the large-scale climate processes driving drought and high vapor pressure deficit (VPD) during the extreme fire season of 2011. They further projected future climate conditions to determine if projected trends in an ensemble of climate variables may resemble conditions from the 2011 fire season in future years.

The authors compared treated and untreated areas after the 2011 Wallow Fire to assess if fuel treatments reduced fire severity and increased ecological resiliency of mixed-conifer forests based on three metrics: high severity patch size, tree survivorship, and nonnative/native herbaceous understory cover post-fire.

The authors examined fire-on-fire interactions in two wilderness areas to determine the extent to which a wildfire can influence the severity of a subsequent fire and, if so, how long does the effect last. They also looked at the influence of topography and vegetation on burn severity of reburned areas.

The authors reconstructed the fire regime before and after fire exclusion around approximately 1880 to determine if recent large, high-severity fire is within the natural range of variability for Sky Island ecosystems in the Pinaleño Mountains of Arizona, U.S.

The authors characterized the fire history of ponderosa pine forests in the Zuni Mountains and examined historic relationships between climate and fire using Superposed Epoch Analysis (SEA) and Bivariate Event Analysis (BEA).