Hazard Rating Ponderosa Pine Stands For Mountain Pine Beetles In The Black Hills

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Ecology, Silviculture, and Management of Black Hills Ponderosa Pine

Wayne D. Shepperd
Ecology Silviculture and Management of Black Hills Ponderosa Pine Book PDF

Author : Wayne D. Shepperd
Publisher : Unknown
Page : 120 pages
File Size : 41,6 Mb
Release : 2002
Category : Forest ecology
ISBN : MINN:31951D030013979

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Ecology, Silviculture, and Management of Black Hills Ponderosa Pine by Wayne D. Shepperd Pdf

This paper presents a broad-based synthesis of the general ecology of the ponderosa pine ecosystem in the Black Hills. This synthesis contains information and results of research on ponderosa pine from numerous sources within the Black Hills ecosystem. We discuss the silvical characteristics of ponderosa pine, natural disturbances that govern ecosystem processes, wildlife habitat and management, various silvicultural methods to manage ponderosa pine forests, and watershed management of the Black Hills.

Research Note RM

Anonim
Research Note RM Book PDF

Author : Anonim
Publisher : Unknown
Page : 178 pages
File Size : 45,8 Mb
Release : 1992
Category : Forests and forestry
ISBN : UCR:31210016017368

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Research Note RM by Anonim Pdf

Growth of Lodgepole Pine Stands and Its Relation to Mountain Pine Beetle Susceptibility

S. A. Mata
Growth of Lodgepole Pine Stands and Its Relation to Mountain Pine Beetle Susceptibility Book PDF

Author : S. A. Mata
Publisher : Unknown
Page : 24 pages
File Size : 52,6 Mb
Release : 2003
Category : Forests and forestry
ISBN : MINN:31951D03001922G

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Growth of Lodgepole Pine Stands and Its Relation to Mountain Pine Beetle Susceptibility by S. A. Mata Pdf

Periodic diameter and basal area growth were determined for partially cut stands of lodgepole pine at five locations over approximately 10 year periods. After cutting, average diameters in the partially cut plots generally increased by 0.8 inches or more, while average diameter in the uncut controls increased by 0.6 inches or less. Diameter growth in the partially cut plots was generally significantly greater than diameter growth in the controls. Individual tree growth is discussed in relation to potential susceptibility to mountain pine beetle infestation. Basal area decreased in three of the four GSL (growing stock level) 40 stands because of windthrow. Basal area generally increased >1.0 ft 2 / acre/year in partially cut plots except in the GSL 40 stands with substantial windthrow and one GSL 100 with an Armillaria infection pocket. Basal area increases in the control plots ranged from 0.2 to 1.1 ft 2 /acre/year, although the one control with a BA growth rate of 1.1 ft 2 /acre/year had a relatively low initial BA. Data from the stands are employed in the susceptibility rating methods of Amman et al.(1977), Shore and Safranyik (1992),and Anhold et al. (1996 to determine stand susceptibility and the results discussed in terms of general applicability of these methods to partially cut stands. Basal area growth is used to estimate the length of time required for various stand densities to reach specific susceptibility thresholds for mountain pine beetle infestation. Several of the GSL 40 stands are not projected to reach the susceptibility thresholds in 100 years because of windthrow. Barring mortality 1%,GSL 80 stands are estimated to reach the basal area threshold of 120 ft 2 per acre in

U.S. Forest Service Research Note

United States. Rocky Mountain Forest and Range Experiment Stations, Fort Collins, Colo
U S Forest Service Research Note Book PDF

Author : United States. Rocky Mountain Forest and Range Experiment Stations, Fort Collins, Colo
Publisher : Unknown
Page : 498 pages
File Size : 44,9 Mb
Release : 1976
Category : Forests and forestry
ISBN : PSU:000068509460

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U.S. Forest Service Research Note by United States. Rocky Mountain Forest and Range Experiment Stations, Fort Collins, Colo Pdf

Growth of Ponderosa Pine Stands in Relation to Mountain Pine Beetle Susceptibility

Anonim
Growth of Ponderosa Pine Stands in Relation to Mountain Pine Beetle Susceptibility Book PDF

Author : Anonim
Publisher : Unknown
Page : 20 pages
File Size : 50,5 Mb
Release : 1999
Category : Mountain pine beetle
ISBN : MINN:31951D02977849H

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Growth of Ponderosa Pine Stands in Relation to Mountain Pine Beetle Susceptibility by Anonim Pdf

Ten-year diameter and basal area growth were determined for partially cut stands at 4 locations. Average diameters in the partially cut plots generally increased by 1 inch or more, while average diameter in the uncut controls increased by 0.9 inches or less. Individual tree growth is discussed in relation to potential susceptibility to mountain pine beetle infestation. Basal area increases ranged from 0.9 to 1.9 ft2/acre/ yr in partially cut plots, while basal area increases in the control plots ranged from 0.4 to 1.4 ft2/acre/yr. Endemic mountain pine beetle infestations and snow breakage accounted for most of the mortality on the plots, which decreased the residual basal area and basal area growth. Increases in basal area are used to estimate the length of time required for various stand densities to reach the susceptibility thresholds for mountain pine beetle infestation. Stand marking may influence future susceptibility to beetle infestations.