Evaluating the effectiveness of postfire rehabilitation treatments

Robichaud, Peter R.; Beyers, Jan L.; Neary, Daniel G.

doi:10.2737/rmrs-gtr-63

Cited by 301 publications

(396 citation statements)

References 41 publications

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“…All these studies were at least medium quality, i.e., had adequate unseeded controls. Effects of seeding on postfire erosion in chaparral were summarized by Robichaud et al (2000) and Beyers (2004); we found no new studies regarding post-fire seedings in chaparral published after these two reviews.…”

Section: Key Findingsmentioning

confidence: 99%

“…Soil disturbance created by some treatments may even make erosion worse. Very little information is available about the magnitude of erosion in successive years after fires in rangelands; however, erosion risk is likely to decrease with increasing time after the fire and is highly dependent upon soil type and establishing/recovering vegetation if we can accept results from forested ecosystem as pertaining to rangelands (Robichaud et al 2000(Robichaud et al , 2010.…”

Section: Relationship To Other Recent Findings and Ongoing Work On Thmentioning

confidence: 99%

“…Robichaud et al (2000) found that seeding slopes with annual or perennial grasses could reduce erosion, but only after sufficient cover was produced, which usually only occurred in the second year or longer following fire and was dependent on the seeded plants becoming successfully established. Peppin et al (2010) found few studies in forested ecosystems that documented reduced erosion in the first or second year following fire.…”

Section: Relationship To Other Recent Findings and Ongoing Work On Thmentioning

confidence: 99%

“…Recent reviews have assessed the effectiveness of seeding for reducing water-borne soil erosion in the short term (mostly 1-2 years post-seeding) after fires in chaparral and forested ecosystems (Beyers et al 1998, Robichaud et al 2000, Beyers 200, Peppin et al 2010. Robichaud et al (2000) found that seeding slopes with annual or perennial grasses could reduce erosion, but only after sufficient cover was produced, which usually only occurred in the second year or longer following fire and was dependent on the seeded plants becoming successfully established.…”

Section: Relationship To Other Recent Findings and Ongoing Work On Thmentioning

confidence: 99%

“…The General Accounting Office (GAO) identified a need for better information on the effectiveness of post-fire emergency stabilization and rehabilitation methods used by the U.S. Department of Agriculture (USDA) Forest Service and Department of Interior (DOI) agencies (GAO 2003), based in large part on reviews by Robichaud et al (2000) for the Forest Service and Pyke and McArthur (2002) for the Bureau of Land Management (BLM). The most widely used post-fire treatment is seeding, primarily with native or non-native grasses, on which there has been considerable research and continued debate over effectiveness and ecosystem impacts (Beyers 2004).…”

Section: Background and Purposementioning

confidence: 99%

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Synthesis of current knowledge on post-fire seeding for soil stabilization and invasive species control

Beyers¹,

Pyke²,

Wirth³

2015

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The General Accounting Office has identified a need for better information on the effectiveness of post-fire emergency stabilization and rehabilitation methods used by the U.S. Forest Service and Department of Interior (DOI) agencies. Since reviews were published on treatment effectiveness in the early 2000s, treatment choices have changed and increased monitoring has been done. Greater use of native species has added substantially to burned area emergency response (BAER) treatment costs, for example, but quantitative data on this treatment were scarce in earlier reviews. We synthesized current information on the effectiveness of post-fire seeding for both soil stabilization and for prevention of the spread of invasive species in rangelands. We reviewed published literature (peer-reviewed and "gray") and agency monitoring reports, as well as compiled and analyzed quantitative data in agency files. Products of this review include a web-accessible database of monitoring reports and published information, a scientific journal paper summarizing findings of scientific studies, an annotated bibliography of peer-reviewed papers, a summary report published as a General Technical Report that will be available online (in progress), and presentations to scientific meetings and BAER/ESR team training sessions and workshops. By combining results from studies done by Forest Service and DOI agency personnel with research studies published since the initial reviews, we presented a comprehensive synthesis of seeding effectiveness knowledge that complements the review of other hillslope treatments published by other researchers. This information will help federal land managers make more cost-effective decisions on post-fire stabilization and rehabilitation treatments. Background and Purpose

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Section: Key Findingsmentioning

confidence: 99%

Section: Relationship To Other Recent Findings and Ongoing Work On Thmentioning

confidence: 99%

Section: Relationship To Other Recent Findings and Ongoing Work On Thmentioning

confidence: 99%

Section: Relationship To Other Recent Findings and Ongoing Work On Thmentioning

confidence: 99%

Section: Background and Purposementioning

confidence: 99%

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Synthesis of current knowledge on post-fire seeding for soil stabilization and invasive species control

Beyers¹,

Pyke²,

Wirth³

2015

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Preferential flow as a potential mechanism for fire-induced increase in streamflow

et al. 2014

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After vegetation fires, discharge of streams and rivers is often higher than before. This is usually attributed to decreased canopy interception and evapotranspiration caused by vegetation removal, and to increased overland flow resulting from increased soil water repellency. In this paper we examine whether fire-induced changes in preferential flow can reinforce this postfire streamflow response. We studied five recently burned soils and adjacent unburned soils in Portugal and found that by reducing topsoil moisture and increasing soil moisture variability, fire increased the propensity for preferential flow. This was confirmed by 2-D soil moisture and repellency profiles that showed preferential paths in burned soil that were more distinct, wetter, and slightly narrower than in unburned soil. Since water infiltrating along preferential flow paths bypasses the dry soil matrix, we suggest that narrow flow paths promote deep infiltration-which effect size varies with soil depth, (effective) rainfall, and overland flow. We pose that the resulting increase in infiltration increases drainage and interflow because the excess water cannot stay in the soil, and incorporate fire-induced or -enhanced preferential flow into a conceptual model of flow routing that explains the commonly observed increase in stream flow postfire.

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Observed and simulated hydrologic response for a first‐order catchment during extreme rainfall 3 years after wildfire disturbance

Ebel

Rengers

Tucker

2016

Water Resources Research

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Hydrologic response to extreme rainfall in disturbed landscapes is poorly understood because of the paucity of measurements. A unique opportunity presented itself when extreme rainfall in September 2013 fell on a headwater catchment (i.e., <1 ha) in Colorado, USA that had previously been burned by a wildfire in 2010. We compared measurements of soil‐hydraulic properties, soil saturation from subsurface sensors, and estimated peak runoff during the extreme rainfall with numerical simulations of runoff generation and subsurface hydrologic response during this event. The simulations were used to explore differences in runoff generation between the wildfire‐affected headwater catchment, a simulated unburned case, and for uniform versus spatially variable parameterizations of soil‐hydraulic properties that affect infiltration and runoff generation in burned landscapes. Despite 3 years of elapsed time since the 2010 wildfire, observations and simulations pointed to substantial surface runoff generation in the wildfire‐affected headwater catchment by the infiltration‐excess mechanism while no surface runoff was generated in the unburned case. The surface runoff generation was the result of incomplete recovery of soil‐hydraulic properties in the burned area, suggesting recovery takes longer than 3 years. Moreover, spatially variable soil‐hydraulic property parameterizations produced longer duration but lower peak‐flow infiltration‐excess runoff, compared to uniform parameterization, which may have important hillslope sediment export and geomorphologic implications during long duration, extreme rainfall. The majority of the simulated surface runoff in the spatially variable cases came from connected near‐channel contributing areas, which was a substantially smaller contributing area than the uniform simulations.

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Evaluating the effectiveness of postfire rehabilitation treatments

Cited by 301 publications

References 41 publications

Synthesis of current knowledge on post-fire seeding for soil stabilization and invasive species control

Synthesis of current knowledge on post-fire seeding for soil stabilization and invasive species control

Preferential flow as a potential mechanism for fire-induced increase in streamflow

Observed and simulated hydrologic response for a first‐order catchment during extreme rainfall 3 years after wildfire disturbance

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