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Author : Lynn A. Rasmussen
Publisher : Unknown
Page : 8 pages
File Size : 47,6 Mb
Release : 1980
Category : Lodge-pole pine
ISBN : UIUC:30112104058745
Author : J. M. Schmid
Publisher : Unknown
Page : 8 pages
File Size : 44,8 Mb
Release : 1972
Category : Mountain pine beetle
ISBN : MINN:31951D02995767H
Author : Lynn A. Rasmussen
Publisher : Unknown
Page : 8 pages
File Size : 49,6 Mb
Release : 1974
Category : Lodgepole pine
ISBN : UIUC:30112104066367
Author : Gene D. Amman
Publisher : Unknown
Page : 8 pages
File Size : 41,9 Mb
Release : 1969
Category : Lodgepole pine
ISBN : MINN:31951D03009386A
Author : Barbara J. Bentz
Publisher : Unknown
Page : 12 pages
File Size : 46,5 Mb
Release : 1996
Category : Bark beetles
ISBN : MINN:31951D029886024
Author : Walter E. Cole
Publisher : Unknown
Page : 8 pages
File Size : 51,6 Mb
Release : 1973
Category : Lodgepole pine
ISBN : UIUC:30112104066326
Author : Walter E. Cole
Publisher : Unknown
Page : 52 pages
File Size : 50,9 Mb
Release : 1980
Category : Lodgepole pine
ISBN : IND:30000098225042
Author : Walter E. Cole,Gene D. Amman
Publisher : Unknown
Page : 8 pages
File Size : 54,7 Mb
Release : 1969
Category : Forests and forestry
ISBN : UIUC:30112104065344
Tree losses resulting from infestation by the mountain pine beetle (Dendroctonus ponderosae Hopkins) were measured in two stands of lodgepole pine (Pinus contorta Dougl.) where the beetle population had previously been epidemic. Measurement data showed that larger diameter trees were infested and killed first. Tree losses ranged from 1 percent of trees 4 inches (d.b.h.) to 87 percent of those 16 inches and greater d.b.h. Numbers of adult beetle emergence holes averaged 1.3 per square foot of bark area in trees 7 inches d.b.h. and 62 in trees 28 inches and greater d.b.h. The observations indicate that large infestations of mountain pine beetle depend on the presence of large diameter trees within a stand of lodgepole pine, thus implying that beetle population growth is food-limited.
Author : Pacific Forestry Centre,Mountain Pine Beetle Initiative (Canada)
Publisher : Unknown
Page : 304 pages
File Size : 48,8 Mb
Release : 2006
Category : Forest management
ISBN : 0662426231
"This book presents a synthesis of published information on mountain pine beetle (Dendroctonus ponderosae Hopkins [Coleoptera: Scolytidae]) biology and management with an emphasis on lodgepole pine (Pinus contorta Dougl. ex Loud. var. latifolia Engelm.) 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, management, and socioeconomic concerns. The chapters on biology cover taxonomy, life history and habits, distribution, insect-host tree interactions, development and survival, epidemiology, and outbreak history. The management section covers management strategy, survey and detection, proactive and preventive management, and decision support tools. The chapters on socioeconomic aspects include an economic examination of management programs and the utilization of post-beetle salvage timber in solid wood, panelboard, pulp and paper products."--Publisher's description.
Author : Pacific Forestry Centre,Mountain Pine Beetle Initiative (Canada)
Publisher : Unknown
Page : 308 pages
File Size : 49,8 Mb
Release : 2004
Category : Nature
ISBN : CORNELL:31924101517682
The S2Mountain Pine Beetle Symposium: Challenges and SolutionsS3 was held in Kelowna, British Columbia, Canada on October 30-31, 2003. This meeting was organized by Natural Resources Canada, Canadian Forest Service, Pacific Forestry Centre and funded through the Government of Canada Mountain Pine Beetle Initiative. Approximately 250 people representing the forest industry, consultants, universities, provincial and federal government agencies, First Nations, and the general public, from both Canada and the United States attended the meeting. Thirty presentations were given describing the current mountain pine beetle situation (in British Columbia, Alberta and the western United States) and its management and economic implications. Researchers presented the latest information on remote sensing, decision support systems, impacts on stand dynamics and wildlife, phytosanitary risks, climate change effects and preventive management as they relate to mountain pine beetle.
Author : Gene D. Amman
Publisher : Unknown
Page : 68 pages
File Size : 54,5 Mb
Release : 1983
Category : Lodgepole pine
ISBN : MINN:31951D03001364O
Author : Gene D. Amman
Publisher : Unknown
Page : 12 pages
File Size : 47,8 Mb
Release : 1986
Category : Beetles
ISBN : MINN:31951D02965889L
Author : Niklas Björklund
Publisher : Unknown
Page : 20 pages
File Size : 51,7 Mb
Release : 2008
Category : Nature
ISBN : UIUC:30112101885348
Stand-level planning of lodgepole pine management can benefit from the use of mountain pine beetle susceptibility-risk model analyses to assign treatment priority. Priority is currently assigned based solely on relative levels of expected volume loss in the event of a mountain pine beetle outbreak. We evaluated the possibility to predict the relative contribution of brood beetles, by infested stands, to the next beetle generation. Existing data were used to develop generalized parameters for inclusion in predictive models of stand-level mortality and brood production. Model output for independent stands achieved a highly significant relationship with measured outcomes of brood productivity, indicating that relative levels of brood production can be predicted and incorporated into decision-models.
Author : David C. Chojnacky
Publisher : Unknown
Page : 16 pages
File Size : 52,6 Mb
Release : 2000
Category : Mountain pine beetle
ISBN : MINN:31951D03001933B
Two empirical methods for rating susceptibility of mountain pine beetle attack in ponderosa pine were evaluated. The methods were compared to stand data modeled to objectively rate each sampled stand for susceptibly to bark-beetle attack. Data on bark-beetle attacks, from a survey of 45 sites throughout the Colorado Plateau, were modeled using logistic regression to estimate the probability of attack on individual trees from tree and stand variables. The logistic model allowed flexibility to easily scale results up to a stand level for comparison to the empirical methods. The empirical method, developed by Munson and Anhold, most closely correlated to the logistic regression results. However, the Munson/Anhold method rated all 45 study sites as either moderately or highly susceptible to bark-beetle attack, which raises concern about its lack of sensitivity. Future work on evaluating risk of bark-beetle impact should consider more than stand characteristics.
Author : Arthur Lawrence Roe
Publisher : Unknown
Page : 32 pages
File Size : 47,9 Mb
Release : 1970
Category : Lodgepole pine
ISBN : MINN:31951D02988053B
