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Author : Charles Sartwell,Robert E. Dolph
Publisher : Unknown
Page : 8 pages
File Size : 53,8 Mb
Release : 1976
Category : Forests and forestry
ISBN : MINN:31951P01093964C
Author : Anonim
Publisher : Unknown
Page : 20 pages
File Size : 46,8 Mb
Release : 1999
Category : Mountain pine beetle
ISBN : MINN:31951D02977849H
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.
Author : Anonim
Publisher : Unknown
Page : 224 pages
File Size : 48,8 Mb
Release : 1977
Category : Forests and forestry
ISBN : MINN:20000003684046
Author : Anonim
Publisher : Unknown
Page : 222 pages
File Size : 40,7 Mb
Release : 1977
Category : Forests and forestry
ISBN : UOM:39015001294043
Author : Anonim
Publisher : Unknown
Page : 308 pages
File Size : 46,5 Mb
Release : 1985
Category : Forests and forestry
ISBN : MINN:31951D00281830J
Author : Anonim
Publisher : Unknown
Page : 16 pages
File Size : 52,8 Mb
Release : 1989
Category : Forest thinning
ISBN : MINN:31951D02889037B
Author : James Willis Barrett
Publisher : Unknown
Page : 112 pages
File Size : 46,8 Mb
Release : 1979
Category : Forests and forestry
ISBN : UIUC:30112104080863
Author : David Zilberman,Jeffrey M. Perloff,Cyndi Spindell Berck
Publisher : Springer Nature
Page : 246 pages
File Size : 41,7 Mb
Release : 2023-12-16
Category : Business & Economics
ISBN : 9783031248238
This is an open access book. This edited volume discusses topics in environmental economics with a focus on sustainability, conservation, and responsible resource management. Written in memory of Peter Berck, Professor of Agricultural and Resource Economics at the University of California, Berkeley, the chapters expand upon his insights about the connections between human activities and the natural world. The volume includes a selection of research on agriculture, energy, forestry, fisheries, land use, recycling, and conservation – all parts of the broad question of how natural resources can meet human needs while avoiding environmental degradation. Written from a 21st century perspective, with concerns about climate, renewable energy, biodiversity, and sustainable development, this volume will be of interest to researchers and students of agricultural and resource economics.
Author : Gene D. Amman
Publisher : Unknown
Page : 12 pages
File Size : 53,7 Mb
Release : 1985
Category : Mountain pine beetle
ISBN : MINN:31951D00279652J
Author : Pacific Forestry Centre,Mountain Pine Beetle Initiative (Canada)
Publisher : Unknown
Page : 304 pages
File Size : 43,5 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 : Anonim
Publisher : Unknown
Page : 256 pages
File Size : 46,8 Mb
Release : 1995
Category : Forest health
ISBN : MINN:31951D030010705
Author : Philip M. McDonald
Publisher : Unknown
Page : 796 pages
File Size : 47,6 Mb
Release : 1980
Category : Clearcutting
ISBN : STANFORD:36105117927447
In a 1964-1967 study on the Challenge Experimental Forest, seedfall was evaluated in 2-, 5-, and 10-acre circular clearcuttings. During the 4 years, 10 seed crops, ranging from light to bumper, were produced by ponderosa pine. white fir, Douglas-fir, and incense cedar. Seedfall ranged from 76 to 40,691 sound seed per acre (188 to 100,547/ha) for a single species in a given year. From 89 to 100 percent of each species' seed fell within an area 1 1/2 times the height of the average dominant tree. Overall, seed distribution was highly variable.
Author : Anonim
Publisher : Unknown
Page : 368 pages
File Size : 53,8 Mb
Release : 2009
Category : Electronic
ISBN : NWU:35556038307732
Author : Anonim
Publisher : Unknown
Page : 280 pages
File Size : 52,9 Mb
Release : 2000
Category : Electronic
ISBN : NWU:35556031862568
Author : Anonim
Publisher : Unknown
Page : 294 pages
File Size : 47,7 Mb
Release : 2000
Category : Electronic
ISBN : NWU:35556031855109