REVEGETATION OF DISTURBED SOILS IN THE TAHOE BASIN

A three-year study of methods of revegetating highway cuts in the Lake Tahoe Basin demonstrated the value of combining several practices to establish plant cover including: reshaping cuts, hydro-mulch-seeding of grasses, use of breast walls, willow wattling, unrooted willow cuttings and young transplants of woody shrub species. Old eroding highway cuts with little or no natural revegetation were successfully revegetated without artificial irrigation by proper selection of slope treatment and plant species according to site and micro-environment conditions and planting times. The methodology and results of these plantings are discussed. The report and appendices include detailed descriptions of slope stabilization methods (breast wall construction and brush layering), wattling installation, cost-benefit analyses, effects of slow-release fertilizers on woody shrub species, propagation methods for selected woody species and a vegetative key for identification of the woody species native to the Lake Tahoe Basin.

• Supplemental Notes:
  • Prepared in cooperation with Federal Highway Administration, Washington, D.C.
• Corporate Authors:

  University of California, Davis

  Pavement Research Center, One Shields Avenue
  Davis, CA  United States  95616

  California Department of Transportation

  Transportation Laboratory
  5900 Folsom Boulevard
  Sacramento, CA  United States  95819

  Federal Highway Administration

  1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • Leiser, A T
  • Nussbaum, J J
  • Kay, B
  • PAUL, J
  • Thornhill, W
• Publication Date: 1974-6

Media Info

• Pagination: 75 p.

Subject/Index Terms

• TRT Terms: Benefit cost analysis; Biological reproduction; Construction; Disturbed samples; Erosion control; Excavations; Fertilizers; Grasses; Highways; Identification systems; Mountains; Mulches; Plant growth; Planting; Plants; Shrubs; Slope stability; Slopes; Soil stabilization; Vegetation; Walls
• Geographic Terms: California; Lake Tahoe Basin; Nevada
• Old TRIS Terms: Identifying; Plant cover; Plant reproduction; Propagation; Slope protection
• Subject Areas: Construction; Design; Environment; Geotechnology; Highways;

Filing Info

• Accession Number: 00137039
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: Final Rpt., CA-DOT-TL-7036-1-75-24
• Files: NTIS, TRIS, USDOT, STATEDOT
• Created Date: Aug 23 1976 12:00AM