Synthesis / Tech Report
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This Gap Report Update is the latest addition to the list of valuable products of the Working Group designed to help identify the challenges (gaps) and offer ideas to address those challenges. The Gap Report Update has something for every level, public and private, to consider helping address the fire and invasive threat. It is our hope that the leaders of the various state and federal agencies will review the recommendations in the report and determine if there are things they can affect directly to address the gaps. It took a multi-agency, multi-discipline Working Group to identify the problems and provide possible solutions to these conservation and management challenges, it will certainly take a broad-based coalition of agencies, and public and private groups working together to ensure a healthy Sagebrush Biome is available for generations to come.
This project and it’s associated resources, can be accessed here.
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The objectives of this study, were: 1) use of climate projections to predict changes in fire activity in 2050, 2) identify potential changes in vegetation and fuels resulting from changes in climate and their implications in fire activity, 3) identify changes in fire occurrence and severity resulting from changes in future climate and vegetation and fuels, and 4) predict impacts on air quality resulting from changes in fire activity and climate on the mid-21st century.
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The importance of cost effective fuel treatment programs has appeared consistently in federal directives (FLAME ACT, National Cohesive Strategy, U.S Department of Interior Office of Policy Analysis) as a priority. Implementing cost effective fuel treatment programs requires a spatially explicit and integrated systematic approach that can be applied to the landscape, program and national scale. The objectives of this study were three-fold. The first objective was to generate cost effective fuel treatment programs at the landscape scale and their impact on the preparedness program. The second objective was to quantify the interrelationship between the fuel program and preparedness program by budget alternative at a landscape scale to provide mangers with the fuel and preparedness budgets that achieve the highest return on investment for any combination of budgets. The third objective was to form cost effective national and regional fuel treatment programs based on the data collected from the landscape analysis that considers national and regional policies.
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While news headlines were quick to capture the “cost” of firefighting, suppression represents only a fraction of the true cost of wildfire. There are huge impacts to air quality and health, school athletics, travel and tourism, employment and the economy, transportation, and iconic Oregon economic sectors such as the state’s wine and timber industries. No single state agency is charged with documenting these costs, so the Oregon Forest Resources Institute set out to gather what information is currently available, from media reports, individual interviews and hard-nosed research.
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Adaptation strategies for rangeland vegetation focus on increasing resilience of rangeland ecosystems, primarily through non-native species control and prevention. Ecologically based non-native plant management focuses on strategies to repair damaged ecological processes that facilitate invasion, and seeding of desired natives can be done where seed availability and dispersal of natives are low. Proactive management to prevent establishment of non-native species is also critical (early detection-rapid response), including tactics such as weed-free policies, education of employees and the public, and collaboration among multiple agencies to control weeds. Livestock grazing can also be managed through the development of site-specific indicators that inform livestock movement guides and allow for maintenance and enhancement of plant health.
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This report is intended to provide an initial assessment of both the potential effectiveness of fuel breaks and their ecological costs and benefits. To provide this assessment, the report examined prior studies on fuel breaks and other scientific evidence to address three crucial questions:
- How effective are fuel breaks in reducing or slowing the spread of wildfire in arid and semi-arid shrubland ecosystems?
- How do fuel breaks affect sagebrush plant communities?
- What are the effects of fuel breaks on the greater sage-grouse, other sagebrush obligates, and sagebrush-associated wildlife species?
It also provides an overview of recent federal policies and management directives aimed at protecting remaining sagebrush and greater sage-grouse habitat; describe the fuel conditions, fire behavior, and fire trends in the Great Basin; and suggest how scientific inquiry and management actions can improve our understanding of fuel breaks and their effects in sagebrush landscapes.
In October 2017, after a review of the 2015 Federal plans relative to State sage-grouse plans, in accordance with Secretarial Order 3353, the BLM issued a notice of intent to consider whether to amend some, all, or none of the 2015 land use plans. At that time, the BLM requested the USGS to inform this effort through the development of an annotated bibliography of sage-grouse science published since January 2015 and a report that synthesized and outlined the potential management implications of this new science. Development of the annotated bibliography resulted in the identification and summarization of 169 peer-reviewed scientific publications and reports. The USGS then convened an interagency team (hereafter referred to as the “team”) to develop this report that focuses on the primary topics of importance to the ongoing management of sage-grouse and their habitats.
The team developed this report in a three-step process. First, the team identified six primary topic areas for discussion based on the members’ collective knowledge regarding sage-grouse, their habitats, and threats to either or both. Second, the team reviewed all the material in the Annotated Bibliography of Scientific Research on Greater Sage-Grouse Published since January 2015 to identify the science that addressed the topics. Third, team members discussed the science related to each topic, evaluated the consistency of the science with existing knowledge before 2015, and summarized the potential management implications of this science. The six primary topics identified by the team were:
- Multiscale habitat suitability and mapping tools
- Discrete anthropogenic activities
- Diffuse activities
- Fire and invasive species
- Restoration effectiveness
- Population estimation and genetics
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This study evaluated spatio-temporal patterns of fire in piñon and juniper land cover types from the National Gap Analysis Program using Monitoring Trends in Burn Severity (MTBS 2016) data (1984 through 2013) for Northern and Southern Intermountain and Central and Southern Rocky Mountain geographic regions. It also examined differences in total area burned, fire rotation, fire size, fire number, and fire season among: 1) the four geographic regions; 2) the EPA level III ecoregions that occur within each geographic region; and 3) the piñon and juniper land cover types (woodlands, savannas, and shrublands) and other land cover types that occur within each geographic region and level III ecoregion. We found that area burned during the 30-year period, number of fires each year, and fire size followed a strong geographic pattern: Northern Intermountain > Southern Intermountain > Southern Rocky Mountain > Central Rocky Mountain. Area burned within piñon and juniper land cover types increased significantly during the 30-year period across the study area overall and for each geographic region, except the Southern Intermountain.
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Spatial wildfire suppression costs regressions have been re-estimated at a more disaggregated level for the nine Geographic Area Coordination Center (GACC’s) regions using five years of data for fires involving National Forests. Results of these revised regression determined that only in the California GACCs did mechanical fuel treatment reduce wildfire suppression costs. However, the results of our second major hypothesis tests that fuel treatments, by making wildfires less damaging and easier to control, may reduce property damages (i.e., structures—barns, out buildings, etc. and residences lost) seems to be confirmed for acres treated with prescribed burning. In four out of the seven GACC regions prescribed burning lowered the number of structures damaged by wildfire. The results for mechanical fuel treatment were more mixed, with a significant negative effect in reducing property damages in two of the three regions with a significant coefficient on mechanical fuel treatment. These results are consistent with past research that suggests that for fuel treatments to reduce wildfire suppression costs it may be necessary to substantially increase the amount of area treated.