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Keyword: Dendroctonus ponderosae

Dynamics of beetle-killed snags following mountain pine beetle outbreaks in lodgepole pine forests

Publications Posted on: January 05, 2021
Snags (standing dead trees) are important components of forest ecosystems that, among other benefits, provide critical habitat for many species of wildlife, but also represent important safety concerns to firefighters, forest workers, and the public. We identified factors that influence the fall rates of lodgepole pines, Pinus contorta Dougl.

Conifer snagfall data in bark-beetle infested subalpine forests at the Fraser Experimental Forest, Colorado, USA

Datasets Posted on: December 30, 2020
This data publication contains data directly associated with Rhoades et al. (IN PRESS), "Snagfall the first decade after severe bark beetle infestation of high-elevation forests in Colorado, USA".

Within-stand spatial distribution of ponderosa pine mortality caused by the mountain pine beetle in the Colorado Front Range

Datasets Posted on: December 30, 2020
This data publication includes data collected in support of a study to examine the small scale, within stand, spatially-referenced ponderosa pine (Pinus ponderosa) tree mortality caused by the mountain pine beetle (Dendroctonus ponderosae) in a Colorado Front Range site.

Mountain pine beetle-caused mortality in thinned and unthinned ponderosa pine stands in the Black Hills, USA

Datasets Posted on: December 30, 2020
This data publication includes data collected in support of a study to evaluate whether stand density reductions in ponderosa pine (Pinus ponderosa) stands in the Black Hills National Forest of South Dakota and Wyoming resulted in reduced tree mortality levels caused by the mountain pine beetle (Dendroctonus ponderosae) (Negron et al. 2017). Data were collected in the summer of 2014 in 21 pairs of commercially thinned and unthinned stands.

Data for "Reconstructing historical outbreaks of mountain pine beetle in lodgepole pine forests in the Colorado Front Range"

Datasets Posted on: December 30, 2020
This data publication includes data collected in support of a study to reconstruct mountain pine beetle outbreaks in lodgepole pine forests using insect symptomatology on the Arapaho-Roosevelt National Forest, Canyon Lakes Ranger District, in the Colorado Front Range.

Changes in understory vegetation including invasive weeds following mountain pine beetle outbreaks

Publications Posted on: November 12, 2020
Bark beetle outbreaks alter forests in many ways including stand structure, fuels and fire behavior, wildlife habitat, and aesthetic value. Less understood are the effects outbreaks have on understory vegetation, despite the importance for overstory succession, nutrient cycling, water quality, soil erosion, and wildlife. Beetle outbreaks also change forests in ways that could promote invasion by nonnative weeds, but this is rarely studied.

Reconstructing mountain pine beetle outbreaks in the Colorado Front Range

Science Spotlights Posted on: September 02, 2020
From the late 1990s through the mid-2010s there have been extensive outbreaks of mountain pine beetle across the west from the Southern Rockies to British Columbia. It is often thought that these outbreaks are “unprecedented.” An understanding of historical disturbances is particularly critical as we continue to develop strategies for forest management under climate change.

Whitebark pine encroachment into lower-elevation sagebrush grasslands in southwest Montana, USA

Publications Posted on: August 10, 2020
Projections for the future health and abundance of whitebark pine (Pinus albicaulis Engelm.) populations in western North America are dire. Not only has the species been declining due to the combined effects of fire exclusion policies, mountain pine beetle (Dendroctonus ponderosae Hopkins 1902) outbreaks, and white pine blister rust (Cronartium ribicola J.C.

Impacts of mountain pine beetle outbreaks on lodgepole pine forests in the Intermountain West, U.S., 2004–2019

Publications Posted on: July 31, 2020
Mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Curculionidae), is the most important forest insect in western North America. We determined causes and rates of tree mortality and changes in forest structure and composition associated with D. ponderosae outbreaks in the Intermountain West, U.S.

Reconstructing historical outbreaks of mountain pine beetle in lodgepole pine forests in the Colorado Front Range

Publications Posted on: July 27, 2020
Regional-scale mountain pine beetle (Dendroctonus ponderosae) outbreaks in the first decade of the 2000s affected millions of hectares of lodgepole pine (Pinus contorta) in western North American forests. In Colorado, 1.4 million ha exhibited high mortality. These events prompted questions about whether historical outbreaks reached the scale of this most recent event.

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