Calculating Risk Of Mountain Pine Beetle Attack

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Calculating Risk of Mountain Pine Beetle Attack

Michael A. Wulder
Calculating Risk of Mountain Pine Beetle Attack Book PDF

Author : Michael A. Wulder
Publisher : Unknown
Page : 28 pages
File Size : 52,5 Mb
Release : 2007
Category : Nature
ISBN : MINN:31951D02376445G

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Calculating Risk of Mountain Pine Beetle Attack by Michael A. Wulder Pdf

This study is part of a series of research papers that explore the biological, social, and economic aspects of British Columbia's mountain pine beetle epidemic. The objective of this study is to compare two different approaches for calculating beetle pressure, and to assess the impact these approaches have on the subsequent calculation of risk ratings. To meet this objective, beetle pressure was calculated using the traditional distance-based model, as well as using an alternative density-based model, implemented with a Voronoi tessellation generated from helicopter-GPS point survey data of known beetle infestation locations.--Includes text from document.

Mountain Pine Beetle Attack in Ponderosa Pine: Comparing Methods for Rating Susceptibility

David C. Chojnacky
Mountain Pine Beetle Attack in Ponderosa Pine Comparing Methods for Rating Susceptibility Book PDF

Author : David C. Chojnacky
Publisher : Unknown
Page : 16 pages
File Size : 44,6 Mb
Release : 2000
Category : Mountain pine beetle
ISBN : MINN:31951D03001933B

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Mountain Pine Beetle Attack in Ponderosa Pine: Comparing Methods for Rating Susceptibility by David C. Chojnacky Pdf

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.

Piedmont Risk

Anonim
Piedmont Risk Book PDF

Author : Anonim
Publisher : Unknown
Page : 2 pages
File Size : 42,5 Mb
Release : 1987
Category : Beetles
ISBN : MINN:20000004615221

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Piedmont Risk by Anonim Pdf

Preliminary Risk Rating for Mountain Pine Beetle Infestation of Lodgepole Pine Forests Over Large Areas with Ordinal Regression Modelling

Colin Robertson
Preliminary Risk Rating for Mountain Pine Beetle Infestation of Lodgepole Pine Forests Over Large Areas with Ordinal Regression Modelling Book PDF

Author : Colin Robertson
Publisher : Unknown
Page : 34 pages
File Size : 51,8 Mb
Release : 2009
Category : Forest management
ISBN : MINN:31951D030260801

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Preliminary Risk Rating for Mountain Pine Beetle Infestation of Lodgepole Pine Forests Over Large Areas with Ordinal Regression Modelling by Colin Robertson Pdf

In western Canada, the operational risk rating system for mountain pine beetle is based on biological knowledge gained from a rich legacy of stand-scale field studies. Owing to the large spatial and temporal extents of the current epidemic, new research into large-area mountain pine beetle processes has revealed further insights into the landscape-scale characteristics of beetle infested forests. This research evaluates the potential for this new knowledge to augment an established system for rating the short-term risk of tree mortality in a stand due to mountain pine beetle.--Publisher's website.

Evaluation of Risk Assessment of Mountain Pine Beetle Infestations

Caren C. Dymond
Evaluation of Risk Assessment of Mountain Pine Beetle Infestations Book PDF

Author : Caren C. Dymond
Publisher : Unknown
Page : 20 pages
File Size : 50,9 Mb
Release : 2007
Category : Nature
ISBN : MINN:31951D02376444I

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Evaluation of Risk Assessment of Mountain Pine Beetle Infestations by Caren C. Dymond Pdf

This study is part of a series of research papers that explore the biological, social, and economic aspects of British Columbia's mountain pine beetle epidemic. In this paper, an established decision support system was evaluated for operational use. Digital forest inventory and beetle-impact survey data were integrated in standard GIS software for rating susceptibility and risk of mountain pine beetle infestation. The beetle-impact data, collected over a three-year period, provided an opportunity to generate risk on a given year and compare it to attacks in the subsequent year.--Includes text from Government of Canada publications site and from document.

Susceptibility and Risk Rating Systems for the Mountain Pine Beetle in Lodgepole Pine Stands

Terence Leckie Shore,L. Safranyik,Pacific Forestry Centre
Susceptibility and Risk Rating Systems for the Mountain Pine Beetle in Lodgepole Pine Stands Book PDF

Author : Terence Leckie Shore,L. Safranyik,Pacific Forestry Centre
Publisher : Unknown
Page : 12 pages
File Size : 40,5 Mb
Release : 1992
Category : Lodgepole pine
ISBN : 066219618X

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Susceptibility and Risk Rating Systems for the Mountain Pine Beetle in Lodgepole Pine Stands by Terence Leckie Shore,L. Safranyik,Pacific Forestry Centre Pdf

The Mountain Pine Beetle

Pacific Forestry Centre,Mountain Pine Beetle Initiative (Canada)
The Mountain Pine Beetle Book PDF

Author : Pacific Forestry Centre,Mountain Pine Beetle Initiative (Canada)
Publisher : Unknown
Page : 304 pages
File Size : 40,9 Mb
Release : 2006
Category : Forest management
ISBN : 0662426231

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The Mountain Pine Beetle by Pacific Forestry Centre,Mountain Pine Beetle Initiative (Canada) Pdf

"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.

Mountain Pine Beetle Symposium

Pacific Forestry Centre,Mountain Pine Beetle Initiative (Canada)
Mountain Pine Beetle Symposium Book PDF

Author : Pacific Forestry Centre,Mountain Pine Beetle Initiative (Canada)
Publisher : Unknown
Page : 308 pages
File Size : 42,7 Mb
Release : 2004
Category : Nature
ISBN : CORNELL:31924101517682

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Mountain Pine Beetle Symposium by Pacific Forestry Centre,Mountain Pine Beetle Initiative (Canada) Pdf

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.