Spending on postfire emergency watershed rehabilitation has increased during the past decade. A west-wide evaluation of USDA Forest Service burned area emergency rehabilitation (BAER) treatment effectiveness was undertaken as a joint project by USDA Forest Service Research and National Forest System staffs. This evaluation covers 470 fires and 321 BAER projects, from 1973 through 1998 in USDA Forest Service Regions 1 through 6. A literature review, interviews with key Regional and Forest BAER specialists, analysis of burned area reports, and review of Forest and District monitoring reports were used in the evaluation. The study found that spending on rehabilitation has increased to over $48 million during the past decade because the perceived threat of debris flows and floods has increased where fires are closer to the wildland-urban interface. Existing literature on treatment effectiveness is limited, thus making treatment comparisons difficult. The amount of protection provided by any treatment is small. Of the available treatments, contour-felled logs show promise as an effective hillslope treatment because they provide some immediate watershed protection, especially during the first postfire year. Seeding has a low probability of reducing the first season erosion because most of the benefits of the seeded grass occurs after the initial damaging runoff events. To reduce road failures, treatments such as properly spaced rolling dips, water bars, and culvert reliefs can move water past the road prism. Channel treatments such as straw bale check dams should be used sparingly because onsite erosion control is more effective than offsite sediment storage in channels in reducing sedimentation from burned watersheds. From this review, we recommend increased treatment effectiveness monitoring at the hillslope and sub-catchment scale, streamlined postfire data collection needs, increased training on evaluation postfire watershed conditions, and development of an easily accessible knowledge base of BAER techniques.

/pdf/evaluating-the-effectiveness-of-postfire-rehabilitation-3gmvyqchas.pdf

Evaluating the Effectiveness Of Postfire Rehabilitation Treatments

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Evaluating The Effectiveness Of Postfire Rehabilitation Treatments

Aerial seeding of Italian annual ryegrass (Lolium multiflorum) is a common, but controversial, emergency rehabilitation practice following wildfire in California. Replicated study plots, with and without ryegrass, established after a summertime chaparral wildfire on California's central coast revealed the following: 1. Ryegrass-seeded plots developed significantly greater total plant cover than unseeded plots in the first year. 2. Regeneration and growth of native species were significantly depressed in the presence of ryegrass. 3. Soil erosion was significantly greater on ryegrass-seeded plots than on unseeded plots. 4. Pocket gopher activity was greater on ryegrass-seeded plots than on unseeded plots. These results suggest that ryegrass seeding for emergency rehabilitation of burned areas can be ineffective, and even counterproductive, in certain cases.

https://www.fs.fed.us/psw/publications/documents/psw_gtr109/psw_gtr109_115.pdf

Wildfire, ryegrass seeding, and watershed rehabilitation

https://www.fs.fed.us/psw/publications/documents/psw_gtr109/psw_gtr109.pdf

Proceedings of the Symposium on Fire and Watershed Management

The effect of ice damage on loblolly pine (Pinus taeda) plantations in the Piedmont region of Virginia was examined to discover if management decisions can minimize net present value losses. A simulation approach was used for the analysis. Loblolly pine plantations were simulated using the growth and yield model, Trulob. Ice damage was factored into the model using prediction equations from a previous study. A decision tree framework was used to determine which management plans resulted in the highest net present value.


The results show that ice storms can cause significant losses to the net present value of loblolly plantations. In most instances changing management plans could not minimize losses. In situations where altering management plans can result in higher net present values if ice occurs, landowners should also be aware of the suboptimal net present value they will be returned if these plans are followed and no ice storms occur.

The Effects of Ice Damage on Management Decisions for Loblolly Pine Plantations located in the Piedmont Region of Virginia

Evaluating the Economic Efficiency of Wildfire Rehabilitation Treatments

http://academic.oup.com/wjaf/article-pdf/2/2/58/23386891/wjaf0058.pdf

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Evaluating the Economic Efficiency of Wildfire Rehabilitation Treatments

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Evaluating the Effectiveness Of Postfire Rehabilitation Treatments

Evaluating The Effectiveness Of Postfire Rehabilitation Treatments

Wildfire, ryegrass seeding, and watershed rehabilitation

Proceedings of the Symposium on Fire and Watershed Management

The Effects of Ice Damage on Management Decisions for Loblolly Pine Plantations located in the Piedmont Region of Virginia

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