Skip to page content
USDA Forest Service
  
Treesearch

Research & Development Treesearch

 
Treesearch Home
About Treesearch
Contact Us
Research & Development
Forest Products Lab
International Institute of Tropical Forestry
Northern
Pacific Northwest
Pacific Southwest
Rocky Mountain
Southern Research Station
Help
 

Science.gov - We Participate


USA.gov  Government Made Easy


Global Forest Information Service

US Forest Service
P.O. Box 96090
Washington, D.C.
20090-6090

(202) 205-8333

You are here: Home / Search / Publication Information
Bookmark and Share

Publication Information

View PDF (73 KB)

Title: The Effectiveness of Aerial Hydromulch as a Post-Fire Erosion Control Treatment in Southern California

Author: Wohlgemuth, P.M.; Beyers, J.L.; Robichaud, P.R.;

Date: 2010

Source: In: Proceedings of the Joint Federal Interagency Conference, 9th Federal Interagency Sedimentation Conference and 4th Federal Interagency Hydrologic Modeling Conference, June 27-July 1, 2010, Las Vegas, NV.

Publication Series: Other

Description: Following a wildfire in the Santa Ana Mountains of northeast Orange County, California, a monitoring project was established to test whether aerial hydromulch reduced post-fire hillslope and small watershed erosion, and to document its impact on re-growing vegetation. The study site received below normal rainfall both the first and second winters after the fire. A high-intensity thunderstorm at the end of May 2008 produced very high peak rainfall intensities, providing an extreme test for the hydromulch. It appears that the mulch reduced hillslope erosion during low and moderate rainstorms, but not during heavy downpours. Once the hydromulch is removed, the sites are susceptible to erosion during subsequent higher intensity storms. Because the spatial differences in the rainfall were confounded with the treatment and control locations, the effect of the hydromulch on stream channel erosion is unknown. Cover assessments showed that the hydromulch did significantly reduce bare ground on the hillsides, and that this cover persisted until the time of the intense thunderstorm. Differences in pre-fire shrub composition and post-fire herbaceous species composition makes it impossible to separate the hydromulch effects from inherent site differences on plant response, suggesting that there was no treatment effect on vegetation recovery.

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

XML: View XML

Citation:


Wohlgemuth, P.M.; Beyers, J.L.; Robichaud, P.R. 2010. The Effectiveness of Aerial Hydromulch as a Post-Fire Erosion Control Treatment in Southern California. In: Proceedings of the Joint Federal Interagency Conference, 9th Federal Interagency Sedimentation Conference and 4th Federal Interagency Hydrologic Modeling Conference, June 27-July 1, 2010, Las Vegas, NV.

 


 [ Get Acrobat ]  Get the latest version of the Adobe Acrobat reader or Acrobat Reader for Windows with Search and Accessibility

USDA logo which links to the department's national site. Forest Service logo which links to the agency's national site.