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Keyword: Fraser Experimental Forest

Mountain pine beetle emergence from lodgepole pine at different elevations near Fraser, CO

Publications Posted on: June 22, 2020
Mountain pine beetle emergence was studied at 8760 ft, 9200 ft, and 9900 ft near Fraser, CO. Beetles began emerging at 8760 ft between July 9 and July 14 while no beetles emerged at 9200 ft and only one beetle emerged at 9900 ft during the same period. Beetle emergence continued at relatively low but fluctuating rates for the next two to three weeks.

Streamwater nitrogen and forest dynamics following a mountain pine beetle epidemic

Documents and Media Posted on: November 27, 2017
A recently published study by a team of Rocky Mountain Research Station (RMRS) scientists describes a 10-year investigation of streamwater nitrogen (N) and forest dynamics following a mountain pine beetle epidemic. Document Type: Other Documents

Severe bark beetle outbreaks have minor impacts on stream nutrients

FS News Posted on: September 19, 2016
New research based on 30 years of streamwater data points to the vital role of new plant growth in absorbing nutrients after forest disturbances. Scientists found that at the Fraser Experimental Forest in Colorado, even though water and nutrient uptake ceases rapidly after beetles attack pine trees, streamwater nitrogen levels remained low in beetle-infested watersheds.

A decade of streamwater nitrogen and forest dynamics after a mountain pine beetle outbreak at the Fraser Experimental Forest, Colorado

Publications Posted on: August 30, 2016
Forests of western North America are currently experiencing extensive tree mortality from a variety of bark beetle species, and insect outbreaks are projected to increase under warmer, drier climates. Unlike the abrupt biogeochemical changes typical after wildfire and timber harvesting, the outcomes of insect outbreaks are poorly understood.

Silviculture in special places: proceedings of the 2003 National Silviculture Workshop

Publications Posted on: May 12, 2016
This proceedings presents a compilation of 20 manuscripts and five posters summarizing results of research studies and management projects conducted throughout the United States in areas with special natural resource values.

Oldest known Engelmann spruce

Publications Posted on: May 12, 2016
Age structure in a stand of very old-age Engelmann spruce is described. The site is at 3,505 m near treeline in the Fraser Experimental Forest in central Colorado. The site contains the oldest Engelmann spruce trees yet reported in the literature; the oldest tree is at least 852 years of age.

The Cutting Methods Demonstration Study at Fraser Experimental Forest

Publications Posted on: May 12, 2016
Efficiency of harvest, overstory regrowth, and regeneration establishment are compared among 12 even- and uneven-aged regeneration cuttings installed in 1984 in subalpine Engelmann spruce and lodgepole pine forests on the Fraser Experimental Forest in central Colorado. Individual tree selection and overstory removal prescriptions were much less efficient to log than two- or three-step shelterwood cuts, clearcuts, or group selection cuts.

Fraser Experimental Forest

Experimental Forests and Ranges Posted on: September 09, 2015
Established in 1937 by the Forest Service, the Fraser Experimental Forest comprises 23,000 acres. This outdoor research laboratory was first established to study the relationship between forest management and water yield. Today, the Fraser Experimental Forest is a site for research on silviculture, riparian habitats, invasives, insects, soils, and other topics, in addition to water quantity and quality.

Veterans service at the Fraser Experimental Forest

Documents and Media Posted on: January 23, 2015
The Fraser Experimental Forest (FEF) was established in 1937, in the heart of the central Rocky Mountains as part of a national network of experimental forests. The network was designed to dedicate land and facilities with a primary purpose of research involving various aspects of forests. The intent for FEF was to study the relationship between forest management and water yield in the subalpine zone.Document Type: Briefing Papers

Watershed-management aspects of thinned young lodgepole pine stands

Publications Posted on: May 02, 2011
The central section of the Rocky Mountains within Colorado and Wyoming is an important water-yielding area. Stream flow which originates in the mountains supplies water for irrigation, power generation, and domestic use. The actual source of most of this water is located above 8,000 feet in elevation. Here snows are heavy and water yields run as high as 24 inches per year.