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Author : William H. Emmingham,Paul T. Oester
Publisher : Unknown
Page : 222 pages
File Size : 43,7 Mb
Release : 2005
Category : Forest ecology
ISBN : MINN:31951D02071075X
Author : Sally J. Campbell
Publisher : Unknown
Page : 44 pages
File Size : 45,8 Mb
Release : 2003
Category : Forest surveys
ISBN : MINN:31951D029965129
This publication provides highlights of forest inventories and surveys from 1993 to 2001. About 35 percent of eastern Oregon is forested. The amount of forest land in eastern Oregon has increased by about 650,000 acres from the 1930s, with increases in juniper forest land accounting for most of the change. Thirty-one tree species were tallied in forest inventories during the 1990s, with ponderosa pine the predominant species in all ecological provinces in eastern Oregon. The Forest Service, Bureau of Land Management, and other federal agencies manage about 71 percent of eastern Oregon forests; about 27 percent is privately owned; and the remaining 2 percent is managed by the Oregon Department of Forestry and other nonfederal public agencies. The volume of wood in eastern Oregon forests is about 25.7 billion cubic feet, of which about 312 million cubic feet per year were harvested between 1987 and 1999. In the same time period, annual mortality and removals exceeded annual growth for all ownerships. Down wood is an important forest component and shows increases with forest age. Insect defoliators, bark beetles, root diseases, and dwarf mistletoes are present on over 72 percent of forest land in eastern Oregon. Year-to-year defoliation or mortality trends can be detected with aerial surveys. Introduced plant species are present on over 50 percent of private and other public forest land. Diversity of lichens (indicators of air pollution, climate, and forest age and structure) is greatest in the Blue Mountains Province and lowest in the Intermountain Province. No ozone injury has been detected on sensitive forest trees and plant species in eastern Oregon.
Author : Peter Stine
Publisher : Unknown
Page : 266 pages
File Size : 50,8 Mb
Release : 2014-12-13
Category : Electronic
ISBN : 1457858991
Land managers in the Pacific Northwest have reported a need for updated scientific information on the ecology and management of mixed-conifer forests east of the Cascade Range in Oregon and Washington. Of particular concern are the moist mixed-conifer forests, which have become drought-stressed and vulnerable to high-severity fire after decades of human disturbances and climate warming. This synthesis presents a compilation of existing research across multiple natural resource issues, including disturbance regimes, the legacy effects of past management actions, wildlife habitat, watershed health, restoration concepts from a landscape perspective, and social policy concerns. This report provides considerations for management, while also emphasizing the importance of local knowledge when applying this information at the local and regional level. Figures and tables. This is a print on demand report.
Author : David C. Powell
Publisher : Unknown
Page : 24 pages
File Size : 48,6 Mb
Release : 2001
Category : Forest thinning
ISBN : MINN:31951D024592496
Author : Chadwick Dearing Oliver
Publisher : Unknown
Page : 84 pages
File Size : 40,6 Mb
Release : 1994
Category : Forest management
ISBN : UCR:31210022825093
Author : Anonim
Publisher : Unknown
Page : 148 pages
File Size : 49,8 Mb
Release : 2007
Category : Forest management
ISBN : UCR:31210022826638
On October 18, 2006, a workshop was held in Vancouver, WA, with the title "Managing for wildlife habitat in west-side production forests." The purpose of the workshop was to provide prescriptions and guidelines for people who manage west-side forests (those west of the Cascade Mountains' crest) primarily for wood production, but because of mandate or personal preference, want to integrate wildlife values. The audience included over 150 professionals from forest industry, consulting firms, and public and tribal forest and wildlife management agencies. This proceedings includes ten papers based on oral presentations at the workshop plus a synthesis paper summarizing workshop themes, discussions, and related information. Topics include a history of wildlife management research in the Pacific Northwest, elements of habitat and how to manage for them, the challenges of appropriately implementing ecosystem management, and economic implications to private forestland owners.
Author : Deanna H. Olson,Beatrice Van Horne
Publisher : Island Press
Page : 362 pages
File Size : 50,8 Mb
Release : 2017-04-20
Category : Nature
ISBN : 9781610917674
Forests throughout the world are undergoing rapid, far-reaching change as a result of natural and anthropogenic disturbances. The challenge is to manage these forests in ways that avoid formulaic approaches to complex issues. This book takes on the challenge of balancing local economies, wood products, and biodiversity by proposing diverse new approaches to forest management using new research from the moist coniferous forests of the Pacific Northwest. --
Author : John C. Tappeiner,Douglas Alan Maguire,Timothy Brian Harrington,John D. Bailey
Publisher : Unknown
Page : 0 pages
File Size : 54,5 Mb
Release : 2015
Category : Science
ISBN : 0870718037
Silviculture and Ecology of Western U.S. Forests, Second Edition, is a text for students, professional forest managers, and scientists that summarizes both early and contemporary research and principles relevant to the silviculture, ecology, and multi-purpose management of western U. S. forests. Based on its authors' significant experiences and contributions in the field, as well as nearly 1000 additional references, Silviculture and Ecology remains the only text that focuses on silviculture in western U.S. forests--providing background and basis for current biological, ecological, and managerial practices. In this comprehensive reference, readers entering the field will come to understand the significance of carefully managing forests by conscious design, and experienced silviculturists will benefit from the edition's up-to-date information, providing forest users with a greater range of ecosystem services and consumable products alike.
Author : Jerry F. Franklin,K. Norman Johnson,Debora L. Johnson
Publisher : Waveland Press
Page : 646 pages
File Size : 46,8 Mb
Release : 2018-03-19
Category : Technology & Engineering
ISBN : 9781478637202
Fundamental changes have occurred in all aspects of forestry over the last 50 years, including the underlying science, societal expectations of forests and their management, and the evolution of a globalized economy. This textbook is an effort to comprehensively integrate this new knowledge of forest ecosystems and human concerns and needs into a management philosophy that is applicable to the vast majority of global forest lands. Ecological forest management (EFM) is focused on policies and practices that maintain the integrity of forest ecosystems while achieving environmental, economic, and cultural goals of human societies. EFM uses natural ecological models as its basis contrasting it with modern production forestry, which is based on agronomic models and constrained by required return-on-investment. Sections of the book consider: 1) Basic concepts related to forest ecosystems and silviculture based on natural models; 2) Social and political foundations of forestry, including law, economics, and social acceptability; 3) Important current topics including wildfire, biological diversity, and climate change; and 4) Forest planning in an uncertain world from small privately-owned lands to large public ownerships. The book concludes with an overview of how EFM can contribute to resolving major 21st century issues in forestry, including sustaining forest dependent societies.
Author : Kenneth W. Seidel
Publisher : Unknown
Page : 76 pages
File Size : 42,6 Mb
Release : 1981
Category : Conifers
ISBN : MINN:31951D02964506W
The silviculture of mixed conifer forests in eastern Oregon and Washington is described. Topics discussed include ecological setting, damaging agents, silviculture, and management. The relevant literature is presented, along with unpublished research, experience, and observations. Research needs are also proposed.
Author : Anonim
Publisher : Unknown
Page : 966 pages
File Size : 44,7 Mb
Release : 2002
Category : Coarse woody debris
ISBN : MINN:31951D02974717D
Author : Anonim
Publisher : Unknown
Page : 48 pages
File Size : 52,7 Mb
Release : 1994
Category : Ecosystem management
ISBN : UCR:31210022825135
Author : Michael Simpson
Publisher : Unknown
Page : 612 pages
File Size : 48,9 Mb
Release : 2007
Category : Cascade Range
ISBN : MINN:31951D02850518M
Author : Anonim
Publisher : Unknown
Page : 136 pages
File Size : 42,6 Mb
Release : 1994
Category : Biodiversity conservation
ISBN : MINN:31951P010920015
Author : Committee on Environmental Issues in Pacific Northwest Forest Management,Board on Biology,Commission on Life Sciences,Division on Earth and Life Studies,National Research Council
Publisher : National Academies Press
Page : 280 pages
File Size : 48,5 Mb
Release : 2000-07-28
Category : Science
ISBN : 9780309568852
People are demanding more of the goods, services, and amenities provided by the forests of the Pacific Northwest, but the finiteness of the supply has become clear. This issue involves complex questions of biology, economics, social values, community life, and federal intervention. Forests of the Pacific Northwest explains that economic and aesthetic benefits can be sustained through new approaches to management, proposes general goals for forest management, and discusses strategies for achieving them. Recommendations address restoration of damaged areas, management for multiple uses, dispute resolution, and federal authority. The volume explores the market role of Pacific Northwest wood products and looks at the implications if other regions should be expected to make up for reduced timber harvests. The book also reviews the health of the forested ecosystems of the region, evaluating the effects of past forest use patterns and management practices. It discusses the biological importance, social significance, and management of old-growth as well as late-succession forests. This volume will be of interest to public officials, policymakers, the forest products industry, environmental advocates, researchers, and concerned residents.
