Genetic variation among 83 populations of Pinus contorta from the Northern Rocky Mountains of the United States was studied with 7-year-old trees planted in three contrasting environments. Analyses of nine traits reflected adaptation to biotic and...
The 1988 Gates Park Fire, along the North Pork of the Sun River in the Bob Marshall Wilderness, provided an opportunity to explore fire effects on wilderness visitor choices. Recreation visitors along the North and South Fork drainages were...
Wilderness areas -- United States -- Recreational use -- Statistics. ; <br> Wilderness area users -- United States -- Statistics. ; <br> Boundary Waters Canoe Area (Minn.) ; <br> Shining Rock Wilderness (N. C.) ; <br>...
Changes in wilderness visitors were studied over 12- to 21-year periods in the Boundary Waters Canoe Area, MN, Shining Rock, NC, and Desolation, CA. Only five of the 83 variables assessed changed consistently in all wildernesses. Visitor age and...
Wilderness areas -- United States. ; <br> Camp sites, facilities, etc. -- United States.
The overall trend in condition on established campsites was one of slight deterioration, with the most deterioration occurring in campsite area, mineral soil exposure, and tree damage. Impacts to ground cover vegetation were relatively stable....