Fuels & Fuel Treatments

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BLM Paradigm Project seeks to stop the fire cycle in southwestern Idaho

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This video discusses the BLMs plans to create 350 miles of fire breaks between Boise and Glenns Ferry in hopes of catching fires when they’re small. The BLM Boise District is working together with the rancher-led Mountain Home Rangeland Fire Protection Association, Idaho Dept. of Lands, and the Idaho Transportation Department.

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Nevada section of the Society for Range Management – 2017 meeting presentations

Meeting presentations.
Presentations in pdf format from the 2017 winter meetings and workshops focused on the difficulties facing the restoration/rehabilitation of Great Basin rangelands.

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Managing pinyon-juniper expansion in sagebrush ecosystems: Next steppe for the bi-state – 2015 presentations and posters

Presentations and posters.
Pdf format of speaker presentations and posters are available for this forum, which was held to advance the next step of conservation for bi-state sage-grouse populations by prioritization and implementation of large-scale projects through recently committed funding and collaboration between federal and state agencies, NGOs, and private land owners.

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Vegetation restoration in response to piñon and juniper control treatments

In this webinar, Bruce Roundy, Plant Ecologist at Brigham Young University, discusses vegetation restoration in response to piñon and juniper control treatments.

Webinar recording

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An evaluation of the Forest Service hazardous fuels treatment program

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As part of an internal program assessment, this study evaluated the extent of fuel treatments and wildfire occurrence within lands managed by the National Forest System (NFS) between 2008 and 2012. Annually, 45% of NFS lands that would have historically burned were disturbed by fuel treatments and characteristic wildfire, indicating that NFS lands remain in a “disturbance deficit.” The highest wildfire hazard class had the lowest percentage of area treated and the highest proportion of both wildfire of any severity and uncharacteristically high-severity wildfire, suggesting that an alternative distribution of fuel treatment locations will probably improve program effectiveness.

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Pretreatment tree dominance and conifer removal treatments affect plant succession in sagebrush communities

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This study found that to retain the shrub, especially sagebrush, components on a site and increase ecosystem resilience and resistance through increases in tall grasses, treatment should occur at low to mid tree dominance index (TDI) using mechanical methods, such as cutting or mastication. Effects of fire and mechanical treatments implemented at different phases of tree dominance create different successional trajectories that could be incorporated into state-and-transition-models to guide management decisions.

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Planned fires or more unchecked wildfires?

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In a nutshell, Finney and other forest experts say, periodic fires reduce fine fuels such as pine needles. They stop young conifer trees from growing into big conifers. Meadows form and break up continuous stands of mature forest.

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Fire severity change with disturbance into fuel treatments

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Researchers measured 14 transects across two different fuel treatment types on three different units. For both fuel treatment types, only ladder fuels had been removed. They found that while severity was reduced at all sites, the spatial distribution of fire severity within the treatment areas varied by treatment type and unit as well as which fire severity metric they were analyzing. They found fuel treatments reduced fire severity anywhere from -7 m to 533 m into the treatment area. Kennedy and Johnson (2014) caution that local site conditions, topography and vegetation type will be other sources of variation in fire severity.

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The sage-grouse habitat mortgage: effective conifer management in space and time

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This study estimates that fire has approximately twice the treatment life of cutting at time horizons approaching 100 yr, but, has high up-front conservation costs due to temporary loss of sagebrush. Cutting has less up-front conservation costs because sagebrush is unaffected, but it is more expensive over longer management time horizons because of decreased durability. Managing conifers within sage-grouse habitat is difficult because of the necessity to maintain the majority of the landscape in sagebrush habitat and because the threshold for negative conifer effects occurs fairly early in the successional process. The time needed for recovery of sagebrush creates limits to fire use in managing sage-grouse habitat. Utilizing a combination of fire and cutting treatments is most financially and ecologically sustainable over long time horizons involved in managing conifer-prone sage-grouse habitat.

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Effects of conifer treatments on soil nutrient availability and plant composition in sagebrush steppe

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This study evaluated nutrient availability and herbaceous recovery following various cutting and prescribed fire treatments in late succession western juniper woodlands on two sites in southeast Oregon from 2007 to 2012. Treatments were untreated controls, partial cutting followed by fall broadcast burning (SEP), cut and leave (CUT), and cut and burn in winter (JAN) and spring (APR). Soil inorganic N (NO3−, NH4+), phosphorus (H2PO4−), potassium (K+), and cover of herbaceous species were measured in three zones; interspace, litter mats around the tree canopy (canopy), and beneath felled trees (debris). Peak nutrient availability tended to occur within the first two years after treatment. The increases in N, P, and K were greatest in severely burned debris and canopy zones of the SEP and APR treatments. Invasive annual grass cover was positively correlated to soil inorganic N concentrations. Herbaceous composition at the cool, wet big sagebrush-Idaho fescue site was generally resistant to annual grasses after juniper treatments and native plants dominating post-treatment even in highly impacted debris and canopy zones of the SEP treatment. The warm dry big sagebrush-bluebunch wheatgrass site was less resistance and resilient, thus, exotic annual grasses were a major component of the understory especially when tree and slash burning was of high fire severity.

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