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Keyword: displacement

Monitoring Concerns

Pages Posted on: October 17, 2018
Burned SoilCompactionDisplacementGround CoverNutrient CyclingPuddlingRegenerationSurface Organics

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).

Does repeated human intrusion alter use of wildland sites by red squirrels? Multiyear experimental evidence

Publications Posted on: February 05, 2009
Intrusion by humans into wildlife habitat during recreational activities has become a worldwide conservation concern. Low levels of intrusion, which occur frequently in many wildlands, could influence use of sites by red squirrels (Tamiasciurus hudsonicus) and have important ramifications for conservation.

Have brook trout (Salvelinus fontinalis) displaced bull trout (Salvelinus confluentus) along longitudinal gradients in central Idaho streams?

Publications Posted on: July 19, 2006
Invasions of non-native brook trout (Salvelinus fontinalis) have the potential for upstream displacement or elimination of bull trout (Salvelinus confluentus) and other native species already threatened by habitat loss.

Meanings and implications of acceptability judgements for wilderness use impacts

Publications Posted on: March 09, 2006
While the concept of “acceptability” is central to the Limits of Acceptable Change (LAC) framework, there is inadequate understanding of how “acceptability” is judged and how unacceptable conditions affect visitor experiences. To address this knowledge gap, visitors to nine wilderness areas were interviewed.

An expanded perspective on displacement: A longitudinal study of visitors to two wildernesses in the Cascade Mountains of Oregon

Publications Posted on: March 09, 2006
Displacement has traditionally been defined as a process in which visitors cease using a recreation site because of sensitivity to crowding or other impacts. This study argues that such a definition is overly narrow: Displacement may also occur when those sensitive to regulation cease using a resource.