Guide to vegetation treatment costs for land management in the Great Basin region

View fact sheet. High and low costs represent those commonly reported by SageSTEP collaborators and the NRCS in 2010 and 2011. Costs reported here are meant to provide a starting point only and should be verified through additional research. Many of these treatments are eligible for cost share  assistance through the NRCS Environmental Quality Incentives…

Read More

Long-term effects of tree expansion and reduction on soil climate in a semiarid ecosystem

View article. We sought to determine the effects of tree expansion, tree reduction treatments, and expansion phase at time of treatment over 12–13 yr post-treatment. Because the effects of tree reduction on vegetation can vary with the soil temperature/moisture regime, we also analyzed differences in soil climate variables between the mesic/aridic-xeric and frigid/xeric regime classifications…

Read More

Long-term evidence for fire as an ecohydrologic threshold-reversal mechanism on woodland-encroached sagebrush shrublands

View article. We evaluated whether tree removal by burning can decrease late-succession woodland ecohydrologic resilience by increasing vegetation and ground cover over a 9-year period after fire and whether the soil erosion feedback on late-succession woodlands is reversible by burning. To address these questions, we employed a suite of vegetation and soil measurements and rainfall…

Read More

Soils mediate the impact of fine woody debris on invasive and native grasses as whole trees are mechanically shredded into firebreaks in pinon-juniper woodlands

View article. To stem wildfires, trees are being mechanically shredded into firebreaks with the resulting fine woody debris (FWD) potentially exerting immense control over soil and plants. We linked FWD-induced changes in microbial activity and nutrient availability to the frequency of Bromus tectorum and three native, perennial grasses across 31 piñon-juniper woodlands, UT, USA. Using…

Read More

Frost dynamics of sagebrush steppe soils

View article. Recent research has indicated that seeds may germinate too soon after fall sowing and seedlings suffer high mortality from frost during the winter. To help determine the length of germination delay needed to avoid seedling frost mortality and to help guide frost‐tolerance experiments, we analyzed fall to spring soil temperatures from 2010 to…

Read More

Short-term impacts of tree removal on runoff and erosion from pinyon- and juniper-dominated sagebrush hillslopes

View article. Tree removal is often applied to woodland-encroached rangelands to restore vegetation and improve hydrologic function, but knowledge is limited regarding effects of tree removal on hydrologic response. This study used artificial rainfall and overland flow experiments (9-13 m2) and measures of vegetation and ground cover to investigate short-term (1-2 yr) responses to tree…

Read More

Public perceptions of sagebrush ecosystem management: A longitudinal panel study of residents in the Great Basin, 2006-2010

View dissertation. The study uses data from a mail-back questionnaire sent to residents in 2006 and again in 2010. Overall, 698 respondents comprise the panel of interest. Results suggest landscape scale events such as wildfire, as well as agency management and outreach programs, had little influence on respondents’ perceptions of agencies or management options over…

Read More

Public perceptions of sagebrush ecosystem management in the Great Basin

View article. Intact sagebrush communities in the Great Basin are rapidly disappearing because of invasion of nonnative plants, large wildfires, and encroachment of pinyon and juniper woodlands. Land management options, including the use of prescribed fire, grazing, herbicides, or mechanical treatments, can reduce the potential for wildfire and restore plant communities. Public acceptance of management…

Read More