4 edition of Characteristics of enedemic-level mountain pine beetle populations in south-central Wyoming found in the catalog.
Characteristics of enedemic-level mountain pine beetle populations in south-central Wyoming
by U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station in Ogden, UT (324 25th St., Ogden 84401)
Written in English
|Other titles||Characteristics of enedemic level mountain pine beetle populations in south-central Wyoming|
|Statement||Dale L. Bartos, Richard F. Schmitz|
|Series||Research paper RMRS -- RP-13|
|Contributions||Schmitz, Richard F, Rocky Mountain Research Station--Ogden|
|The Physical Object|
Parts of western Alberta, including Jasper National Park and the Hinton area have been hard hit by the mountain pine beetle. Now, dead trees are being reported in metro Edmonton. Introduction. The ongoing mountain pine beetle (MPB; Dendroctonus ponderosae Hopkins) epidemic affecting pine species in western North America is the largest in recorded history (Mitton and Ferrenberg ).During –, over million hectares of forests in Montana were affected by the MPB (Chaney ), which caused mortality to numerous species of the Pinus genus including lodgepole Cited by:
The mountain pine beetle is native to the region and was able to have a population outbreak due to mild winters and low precipitation. But after feasting on trees for 20 years, the insects . Mountain pine beetle population sampling: inferences from Lindgren pheromone traps and tree emergence cages1 Barbara J. Bentz Abstract: Lindgren pheromone traps baited with a mountain pine beetle (Dendroctonus ponderosae Hopkins (Coleoptera: Curculionidae, Scolytinae)) lure were deployed for three consecutive years in lodgepole pine stands in central by:
Mountain Pine Beetle Population Forecast Survey Based on trees sampled at 17 s it enM ay d Ju This map does not include potential inflight of beetles from British Columbia. Any in-flight data will be tracked and mapped in September. Produced byAM Pine Forests Sample Site Relative Status of the Beetle Population over the winter of Climate plays an important role in the population dynamics of mountain pine beetle (Chapter 13).Cold fall and winter temperatures, rather than host availability, have limited the latitudinal and elevational range of mountain pine beetle (Carroll et al., ).Significant increases in mean temperatures over the past few decades have reduced the occurrence of population-limiting cold events.
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Characteristics of endemic-level mountain pine beetle populations in south-central Wyoming. Research Paper RMRS-RP Ogden, UT: U.S. Depart-ment of Agriculture, Forest Service, Rocky Mountain Research Station. 9 p. This study was conducted to evaluate the dynamics of endemic populations of mountain pine beetle (Dendroctonus ponderosae Hopkins).Cited by: 8.
latifolia Engelm.) stands on the Medicine Bow National Forest in south-central Wyoming. Thirty-eight variable-radius paired plots (BAF 10) were measured during the summer of Host-tree condition and mountain pine beetle infestation characteristics were determined from currently and Cited by: 8.
Get this from a library. Characteristics of endemic-level mountain pine beetle populations in south-central Wyoming. [Dale L Bartos; Richard F Schmitz; United States. Department of Agriculture.; Rocky Mountain Research Station--Ogden.] -- "This study was conducted to evaluate the dynamics of endemic populations of mountain pine beetle (Dendroctonus ponderosae Hopkins).
Characteristics of endemic-level mountain pine beetle populations in south-central Wyoming Author: Dale L Bartos ; Richard F Schmitz ; Rocky Mountain Research Station (Fort Collins, Colo.).
Characteristics of endemic-level mountain pine beetle populations in south-central Wyoming / By Dale L. Bartos, Richard F. Schmitz and Rocky Mountain Research Station--Ogden.
Abstract. Shipping list no.: M."December "Cover es bibliographical references (p. ).Mode of access: Internet. RMRS-RP Characteristics of endemic-level mountain pine beetle populations in south-central Wyoming. RMRS-RP Alkalinity generation in snowmelt and. This is the first documentation of the association in lodgepole pine that may be an important factor affecting the dynamics of endemic level populations of the beetle.
Discover the world's Author: Borys Tkacz. Life cycle of the mountain pine beetle. Mountain pine beetles normally have a one-year life cycle. In late summer, adults, which are approximately 5 mm (1/4") long, leave the infected trees in which they have developed.
They then seek out living, green trees that they attack by tunneling under the bark and search for mates. Mountain pine beetles [MPB, Dendroctonus ponderosae (Hopkins)] normally exist as endemic populations that are characteristically scattered and restricted to suppressed and/or damaged pine trees.
Mountain pine beetle at endemic population levels utilize diseased, lightning-struck, and senescing trees, among others, as refugia.
Under favorable climatic and stand conditions, population densities of this bark beetle can increase rapidly and cause extensive tree mortality in mature lodgepole pine forests (Fettig et al., ).Cited by: This book presents a synthesis of published information on mountain pine beetle (Dendroctonus ponderosae, Coleoptera: Scolytidae) biology and management, with an emphasis on lodgepole pine (Pinus contorta var.
latifolia) forests of western Canada. Intended as a reference for researchers as well as forest managers, the book covers three main subject areas: mountain pine beetle biology Cited by: Characteristics of endemic-level mountain pine beetle populations in south-central Wyoming.
Research paper: RMRS-RP Rocky Mountain Research Station, Forest Service, USDA. Ogden, UT, USA. Google ScholarCited by: 9. the Population Dynamics of the Mountain Pine Beetle research work unit in Ogden, UT.
This unit, started in under his direction, conducted the early research groundwork on the mountain pine beetle. Prior to this assignment, he did population dynamics research, control, and survey work on the spruce budworm and.
Bartos, Dale L.: Characteristics of endemic-level mountain pine beetle populations in south-central Wyoming / (Ogden, UT ( 25th St., Ogden ): U.S.
Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, ), also by Richard F. Schmitz and Rocky Mountain Research Station--Ogden (page images at HathiTrust). The mountain pine beetle (Dendroctonus ponderosae Hopkins, Coleoptera: Curculionidae, Scolytinae) is a native insect of the pine forests of western North America, and its populations periodically.
Biology of the Mountain Pine Beetle This small beetle (about 5 mm long) attacks and kills mature trees by boring through the bark and mining the phloem — the soft layer between the bark and wood of the tree. Its eggs hatch into larvae that consume the phloem, killing the tree. Populations will die off if.
At low (endemic) populations the mountain pine beetle survives in weakened or stressed trees. As populations increase or more trees become stressed because of drought or other causes, the population may quickly increase and spread.
Healthy trees are then attacked and huge areas of mature pine stands may be threatened or killed. Mountain pine beetle [MPB, Dendroctonus ponderosae (Hopkins)] populations can be considered as having four distinct states; endemic, incipient epidemic, epidemic and post- epidemic or collapse (Safranyik and Carroll ).
Mountain pine beetle (Dendroctonus ponderosae Hopkins; MPB) is an aggressive bark beetle that attacks numerous Pinus spp. and causes extensive mortality in lodgepole pine (Pinus contorta Douglas ex Loudon; LPP) forests in the western United States and Canada.
We used pre-outbreak LPP attributes, cumulative MPB attack severity, and areal extent of mortality data to identify subwatershed-scale Author: Howard Williams, Sharon M. Hood, Christopher R. Keyes, Joel M. Egan, Jose Negron. Beetle populations are expanding in parts of Alberta despite extremely cold temperatures in the recent past.
Without sustained cold temperatures across the full range of infested pine forests in Al-berta and British Columbia, cold weather will not significantly reduce mountain pine beetle infestations. Forest managers un-derstand the mountain. Triggered by a “perfect storm” of extended droughts, warm winters, and old, dense forests, mountain pine beetle populations have exploded across a landscape of lodgepole pine trees throughout Colorado and southeastern Wyoming.
The mountain pine beetle is a true predator on many western pine trees because to successfully reproduce, the beetles must kill host trees.Abstract.
We examined the response of understory vegetation beneath monotypic, even-aged stands of lodgepole pine to increasing tree mortality following an epidemic of mountain pine beetles. we hypothesized that understory biomass would increase continually as the tree canopy was reduced and competition with trees for light and soil moisture decreased, but that plant species diversity and Cited by: The mountain pine beetle is a species of bark beetle native to the forests of western North America from Mexico to central British Columbia.
It has a hard black exoskeleton, and measures approximately 5 mm, about the size of a grain of rice. In western North America, the current outbreak of the mountain pine beetle and its microbial associates has destroyed wide areas of lodgepole pine forest, Family: Curculionidae.