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Project ID: 04-2-1-85

Year: 2004

Date Started: 08/30/2004

Date Completed: 11/02/2007

Title: Does Season of Burn and Burn Interval Affect Soil Productivity and Processes in a Ponderosa Pine Ecosystem?

Project Proposal Abstract: Prescribed burning is currently in use in many forests to restore fuel loads to historic levels and return forests to pre-fire suppression burn intervals. A study is currently underway in the southern Blue Mountains of eastern Oregon that is examining the effects of season of burn and fire return interval on forest growth, insect and disease mortality, understory vegetation and fuel consumption. This project has 5 treatments: spring burning at 5-year interval, spring burning at 15-year interval, fall burning at 5-year interval, fall burning at 15-year interval, and a no-burn control. To date, 2 of the 5-year burns have occurred (with the most recent burn in 2002), and 1 has been implemented 6 years ago in the 15-year burn interval plots for both spring and fall burning. No examination of prescribed burning effects on soils has been done at this site, yet prescribed burning may have substantial effects on soil properties. The forests of this semi-arid region could experience changes in both soil water availability and nutrient availability, which could affect forest health. We propose to examine season of burn and burn interval effects on soil moisture, soil temperature, and nutrient availability and compare these with growth, insect and disease mortality, and understory vegetation.

Principal Investigator: Walter G. Thies

Agency/Organization: Forest Service

Branch or Dept: PNW-Forestry Sciences Lab-Corvallis


Other Project Collaborators

Type

Name

Agency/Organization

Branch or Dept

Co-Principal Investigator

Darlene Zabowski

University of Washington

School of Forest Resources

Federal Cooperator

Walter G. Thies

Forest Service

PNW-Forestry Sciences Lab-Corvallis


Project Locations

Consortium

Northern Rockies

Northwest


There are no project locations identified for this project.

Project Deliverables

Final Report view or print

("Results presented in JFSP Final Reports may not have been peer-reviewed and should be interpreted as tentative until published in a peer-reviewed source.")

  ID Type Title
view or print   53 Ph.D. Dissertation Fire Intensity and Prescribed Fire Effects on Soil Organic Matter
view or print   1515 Government Publication Does Season of Burn and Burn Interval Affect Soil Productivity and Processes in a Ponderosa Pine Ecosystem?
    2436 Journal Article Soil Organic Matter in a Ponderosa Pine Forest with Varying Season and Interval of Prescribed Burn
view or print   277 MS Thesis Ponderosa Pine Growth Increment Responses to Prescribed Burning in the Southern Blue Mountains of Oregon
    615 Invited Paper/Presentation  
    617 Dataset (including spatial)  

Supporting Documents

The following supporting documents are available for this project.

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Brief


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