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Project ID: 05-2-1-44

Year: 2005

Date Started: 05/11/2005

Date Completed: 06/04/2009

Title: Impacts of Post-Fire Salvage Logging and Wildfire Burn Intensity on Soil Productivity and Forest Recovery

Project Proposal Abstract: Post-fire salvage logging, currently underway in forests to recover economic value of burned timber killed by wildfire, may reduce burn severity of soils in the event of a reburn in areas with large amounts of dead wood. Yet, effects of salvage logging operations (e.g. compaction, subsoiling) and burn intensity in reburned areas on soil productivity and forest recovery remain poorly understood and are a local knowledge gap significant to fire recovery projects. We propose to examine the effects of salvage logging operations on soil productivity and young tree growth on 7 replicate sites, salvage logged 1 year after the Booth and Bear Butte (B&B) fire. The recent harvest of these timber sales, approved prior to the fire, provide a unique and timely opportunity to study the impacts of salvage logging. Within each site, we will measure the impacts of 3 treatments (burning with no further disturbance, compaction from heavy equipment, and compaction followed by subsoiling) on soil biological, chemical, and physical properties critical to soil productivity and growth of planted tree seedlings. To examine effects of repeated fire, we will continue measuring impacts of burn severity on soil recovery (soil microbe diversity, soil biological activity, soil nutrients) and growth of planted tree seedlings in a subset of 25 previously established paired plots of detrimentally burned and less severely burned soils. This work is critical to successful recovery projects on the B&B and other fire sites in mixed conifer forests throughout central Oregon.

Principal Investigator: Jane E. Smith

Agency/Organization: Forest Service

Branch or Dept: PNW-LWM-Land & Watershed Management-Corvallis

Other Project Collaborators

Type	Name	Agency/Organization	Branch or Dept
Co-Principal Investigator	David C. Shaw	Oregon State University	Forest Resources
Federal Cooperator	Jane E. Smith	Forest Service	PNW-LWM-Land & Watershed Management-Corvallis

Project Locations

Consortium

Northwest

There are no project locations identified for this project.

Project Deliverables

Final Report ("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
	9579	Refereed Publication	Impact of Postfire Logging on Soil Bacterial and Fungal Communities and Soil Biogeochemistry in a Mixed-Conifer Forest in Central Oregon
	7716	Refereed Publication	Diversity, Ecology, and Conservation of Truffle Fungi in Forests of the Pacific Northwest
	7714	Refereed Publication	Invasive Plant Species and Soil Microbial Response to Wildfire Burn Severity in the Cascade Range of Oregon
	6916	MS Thesis	Effects of Wildfire Burn Severity on Soil Microbial Communities and Invasive Plant Species in the Cascade Range of Oregon (C.L. Hebel)
	7859	MS Thesis	Impacts of Post-Fire Salvage Logging on Soil Chemistry, Physical Properties and Bacterial Community Composition in a Mixed-Conifer Forest in Central Oregon (T.N. Jennings)
	8049	Photo	B&B Fire-Photo Shows an Area Where an Entire Log has been Consumed by the Fire
	8053	Photo	Areas of Severely Burned Soil After the B&B Wildfire
	8051	Photo	Wildfire-Killed Stand Marked for Post-Fire Logging After the B&B Fire
	8048	Photo	Area Where a Stump was Nearly Consumed by the B&B Wildfire
	8052	Photo	Area of the B&B Fire Where Large Amounts of Down Wood from Previous Wildfire or Insect and Disease Mortality
	8050	Photo	Area That has Been Subsoiled After Salvage-Logging

Supporting Documents

The following supporting documents are available for this project.

Brief

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