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Soil compaction from human trampling, biking, and off-road motor vehicle traffic was quantitatively investigated in a blackbrush (Coleogyne ramosissima) shrubland in Kyle Canyon of the Spring Mountains in southern Nevada. A significant difference was detected in soil compaction, bulk density, and percent pore space at a particular frequency of visits in each of 4 disturbance types. On average a single vehicle pass was equivalent to 10 human footprints. Ten and 100 footprints were equivalent to 1 motorcycle pass and 10 vehicle passes, respectively. Soil compaction is a product of increased bulk density and decreased pore space. The degree of soil compaction is a function of disturbance type and visit frequency when...
Categories: Publication;
Types: Citation,
Journal Citation;
Tags: Coleogyne ramosis- sima,
Kyle Canyon,
Spring Mountains,
Western North American Naturalist,
biking,
A layer of the trails system provided by the Forest Service GIS webportal showing locations of USFS trail system clipped to boundary of Wyoming
An automated inventory of the names and locations of physical and cultural geographic features located throughout the United States.
This is a vector line coverage file showing the Continental Divide National Scenic Trail in the Lander and Rawlins Field Offices. The coordinates for this dataset were collected using Global Positioning System (GPS) technology. Volunteers, using a Trimble ProXL receiver, mapped the trail in the summer of 2001 by walking and driving the trail segments. As this is a "new" trail, some segments did not exist as a feature on the ground, so the volunteers marked the trail with carsonite signs and mapped these segments also.
Categories: Data;
Types: Downloadable;
Tags: BLM,
Bureau of Land Management,
Carbon County,
Continental Divide,
Continental Divide National Scenic Trail,
These data were compiled for a study evaluating if rare or endangered fishes (e.g., Humpback Chub and Bonytail) can be transported in a shipping bag with 1-L of water and minimal sedative into remote locations. There were two components (laboratory trials and a field trial) of the study conducted in 2014 and 2017. Laboratory trials were conducted at the Rocky Mountain Research Station in Flagstaff, Arizona to evaluate three sedatives: AquaCalm, Tricaine-S, or Aqui-S 20E. Pilot trials were conducted with five fish (Bonytail) placed in a bag, where induction/recovery times, level of sedation, and fate after release were monitored for fish exposed to a sedative. Fish density increased to 20 fish (Bonytail and Humpback...
This is a vector line coverage file showing the Continental Divide National Scenic Trail in the Lander and Rawlins Field Offices. The coordinates for this dataset were collected using Global Positioning System (GPS) technology. Volunteers, using a Trimble ProXL receiver, mapped the trail in the summer of 2001 by walking and driving the trail segments. As this is a "new" trail, some segments did not exist as a feature on the ground, so the volunteers marked the trail with carsonite signs and mapped these segments also.
Categories: Data;
Types: Downloadable;
Tags: BLM,
Bureau of Land Management,
Carbon County,
Continental Divide,
Continental Divide National Scenic Trail,
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