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Author : Walter E. Cole
Publisher : Unknown
Page : 214 pages
File Size : 50,9 Mb
Release : 1980
Category : Forest ecology
ISBN : OSU:32435055890412
Author : Gene D. Amman
Publisher : Unknown
Page : 59 pages
File Size : 50,8 Mb
Release : 1983
Category : Lodgepole pine
ISBN : OCLC:1037772187
Author : Walter E. Cole,Gene D. Amman
Publisher : Unknown
Page : 64 pages
File Size : 45,5 Mb
Release : 1980
Category : Insect pests
ISBN : MINN:31951D03001275N
Author : Walter E. Cole
Publisher : Unknown
Page : 52 pages
File Size : 47,6 Mb
Release : 1985
Category : Lodgepole pine
ISBN : UIUC:30112104073504
Author : Walter E. Cole
Publisher : Unknown
Page : 128 pages
File Size : 49,9 Mb
Release : 1980
Category : Lodgepole pine
ISBN : OCLC:7223012
Author : Barbara J. Bentz
Publisher : Unknown
Page : 12 pages
File Size : 43,6 Mb
Release : 1996
Category : Bark beetles
ISBN : MINN:31951D029886024
Author : Anonim
Publisher : Unknown
Page : 4 pages
File Size : 55,6 Mb
Release : 1991
Category : Mountain pine beetle
ISBN : MINN:31951D02964997N
Author : Walter E. Cole
Publisher : Unknown
Page : 8 pages
File Size : 48,6 Mb
Release : 1973
Category : Lodgepole pine
ISBN : UIUC:30112104066326
Author : Dale L. Bartos
Publisher : Unknown
Page : 8 pages
File Size : 44,5 Mb
Release : 1989
Category : Expert systems (Computer science)
ISBN : MINN:31951D030018628
Author : Walter E. Cole,Gene D. Amman
Publisher : Unknown
Page : 8 pages
File Size : 48,7 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 : 308 pages
File Size : 44,8 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 : 22 pages
File Size : 53,7 Mb
Release : 1974
Category : Mountain pine beetle
ISBN : UIUC:30112104128811
Author : Dale L. Bartos
Publisher : Unknown
Page : 12 pages
File Size : 42,6 Mb
Release : 1994
Category : Forest thinning
ISBN : MINN:31951D029884989
Author : Gene D. Amman
Publisher : Unknown
Page : 12 pages
File Size : 54,9 Mb
Release : 1986
Category : Beetles
ISBN : UIUC:30112004659287
Author : Chris Hawkins
Publisher : Unknown
Page : 24 pages
File Size : 40,7 Mb
Release : 2007
Category : Forest dynamics
ISBN : MINN:31951D02376438D
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 purpose of this report is to examine document changes in stand characteristics of pine dominated stands following mountain pine beetle (MPB) attack and to assess the potential of stand development after MPB attack without management intervention.--Includes text from Government of Canada publications site and from document.