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Detrimental soil disturbance associated with timber harvest systems on National Forests in the Northern Region

Documents and Media Posted on: August 17, 2018
The National Forest Management Act of 1976 (NFMA) mandates that management systems “will not produce substantial and permanent impairment of the productivity of the land.” In response to this mandate, soil quality standards were developed for each Region of the USDA Forest Service. To comply with the NFMA mandate in the Northern Region, detrimental soil disturbance (DSD; a combination of compaction, rutting, severely burned soil, displacement, erosion, and soil mass movement) must not exceed 15% of the areal extent of a timber harvest unit when harvest and site preparation activities are complete. In the Northern Region, monitoring of post-harvest soil disturbance levels has been achieved using several methods since the soil quality standards were last revised in 1999. Despite the lack of a common monitoring protocol, the shared objective of all soil monitoring methods has been to find the areal extent of detrimentally disturbed soil on the harvest unit in order to determine the extent to which harvest activities meet the Regional standard. Document Type: Other Documents

Detrimental soil disturbance associated with timber harvest systems on National Forests in the Northern Region

Publications Posted on: June 23, 2011
Maintaining site productivity on forested lands within the National Forest System is a Federal mandate. To meet this mandate, soil conditions on timber harvest units within the Northern Region of the USDA Forest Service cannot exceed a threshold of 15% areal extent of detrimental soil disturbance (DSD; defined as a combination of compaction, puddling, rutting, burning, erosion, and displacement).

Golden eagle indifference to heli-skiing and military helicopters in northern Utah

Publications Posted on: September 17, 2010
In 2006-2007, during Wasatch Powderbird Guides (WPG) permit renewal for heli-skiing in the Tri-Canyon Area (TCA) of the Wasatch Mountains, Utah, USA, we recorded 303 helicopter passes between 0 m and 3,000 m (horizontal distance) near >30 individual golden eagles (Aquila chrysaetos) in 22 nesting territories, through passive observation and active experimentation with civilian and military (Apache AH-64) helicopters.

Investigating potential effects of heli-skiing on golden eagles in the Wasatch Mountains, Utah

Publications Posted on: March 13, 2008
Implementing further research was beyond the scope of the U.S. Forest Service's 2004 Final Environmental Impact Statement (FEIS) and 2005 Wasatch Powderbird Guides (WPG) Special Use Permit Renewal process for heli-skiing in the Tri-Canyon Area in the Wasatch Mountains, just east of Salt Lake City, Utah.