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published Nov 2016

Assessing the Influence of Sustainable Trail Design and Maintenance on Soil Loss

by Jeffrey Marion with U.S. Geological Survey, Jeremy Wimpey, Ph.D. with Applied Trails Research

Results from a review of the literature and three scientific studies are presented to model and clarify the influence of factors that substantially influence trail soil loss and that can be manipulated by trail professionals to sustain high traffic while minimizing soil loss over time.


published Nov 2008

All-Terrain Vehicle Sustainability Assessments

by Jeffrey Marion with U.S. Geological Survey

The sustainable management of ATV use is an expensive proposition requiring careful design, construction, and maintenance of ATV trails.


published Mar 2016

A Review and Synthesis of Recreation Ecology Research Findings on Visitor Impacts to Wilderness and Protected Natural Areas

by Jeffrey Marion with U.S. Geological Survey

This article examines the recreation ecology literature most relevant to wilderness and backcountry, with a focus on visitor impacts to vegetation, soil, wildlife, and water resources.


published Mar 2008

ORV – Social & Management Issues

by Jeffrey Marion with U.S. Geological Survey

Off-road vehicles can have a substantial impact on the experience of other non-motorized visitors on trails that are shared or even on adjacent forest or park settings.


published Mar 2016

A Review and Synthesis of Recreation Ecology Research Supporting Carrying Capacity and Visitor Use Management Decisionmaking

by Jeffrey Marion with U.S. Geological Survey

This article reviews the most recent and relevant recreation ecology studies that have been applied in wildland settings to avoid or minimize resource impacts.


published Feb 2006

Assessing and Understanding Trail Degradation

by National Park Service

This report describes results from a comprehensive assessment of resource conditions on a large (24%) sample of the trail system within Big South Fork National River and Recreational Area (BSF).


published Jan 2022

Colorado Trail Foundation Crew Leader Handbook

by The Colorado Trail Foundation

As a crew leader you represent the CTF. One of your main jobs is to convey the CTF’s thanks to the volunteers for their commitment to making and preserving The Colorado Trail as a national treasure.


published Mar 2005

Research for the Development of Best Management Practices to Minimize Horse Trail Impacts on the Hoosier National Forest

by USDA Forest Service

This research investigates horse trail impacts to gain an improved understanding of the relationship between various levels of horse use, horse trail management alternatives, and subsequent horse trail degradation.


published Mar 2003

Volunteers for Outdoor Arizona Crew Leader Manual

by Volunteers for Outdoor Arizona

This manual has been written to aid crew leaders working with trail work volunteers. It assumes the following priorities, in order of importance, for every volunteer trail work event: 1) Safety, 2) Enjoyment, 3) Quality product, 4) Productivity.


published May 2009

Backcountry Recreation Site and Trail Conditions

by U.S. Geological Survey

Changing visitor use levels and patterns have contributed to increasing visitor use impacts to natural and cultural resources in specific areas at Haleakalā National Park.


Apr 6, 2023

Helping Wheelchair Hikers Find Hiking Trails

Overview of a recently developed wheelchair-friendly filter showcasing how it was made, lessons learned, and how it serves their community of hikers.