Biology And Management Of The Western Gray Squirrel And Oregon White Oak Woodlands

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General Technical Report PNW-GTR

Anonim
General Technical Report PNW GTR Book PDF

Author : Anonim
Publisher : Unknown
Page : 762 pages
File Size : 50,5 Mb
Release : 1994
Category : Forests and forestry
ISBN : CORNELL:31924080044674

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General Technical Report PNW-GTR by Anonim Pdf

Evaluation of Landscape Alternatives for Managing Oak at Tenalquot Prairie, Washington

Peter Jay Gould,Constance A. Harrington
Evaluation of Landscape Alternatives for Managing Oak at Tenalquot Prairie Washington Book PDF

Author : Peter Jay Gould,Constance A. Harrington
Publisher : Unknown
Page : 56 pages
File Size : 40,5 Mb
Release : 2008
Category : Forest landscape management
ISBN : MINN:31951D029812370

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Evaluation of Landscape Alternatives for Managing Oak at Tenalquot Prairie, Washington by Peter Jay Gould,Constance A. Harrington Pdf

In recent years, interest has increased in restoring Oregon white oak (Quercus garryana Dougl. ex Hook.) and prairie landscapes in the Pacific Northwest, especially where elements of historical plant communities are intact. We evaluated the effect of alternative management scenarios on the extent and condition of Oregon white oak, the extent of prairie, and the harvest and standing volumes of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) within a 2934-ha portion of Fort Lewis, Washington (named the Tenalquot Planning Area for the purpose of the project). A landscape-level analysis of the scenarios was completed using a geographic information system, a forest growth model (ORGANON), and landscape visualization software (EnVision). The scenarios ranged from no active management to restoration of the historical extent of oak and prairies within the planning area. The results indicate that the window of opportunity for restoring oak and prairie landscapes in the Puget Sound lowlands and other regions is small, and aggressive management is needed to maintain or enhance these landscapes. The project demonstrates the value of landscape-level analyses and the use of new technologies for conveying the results of alternative management scenarios.

A Year in Review for the Pacific Northwest Research Station

Pacific Northwest Research Station (Portland, Or.)
A Year in Review for the Pacific Northwest Research Station Book PDF

Author : Pacific Northwest Research Station (Portland, Or.)
Publisher : Unknown
Page : 104 pages
File Size : 43,9 Mb
Release : 1996
Category : Forests and forestry
ISBN : MINN:31951D029778019

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A Year in Review for the Pacific Northwest Research Station by Pacific Northwest Research Station (Portland, Or.) Pdf

Oak Forest Ecosystems

William J. McShea,William M. Healy
Oak Forest Ecosystems Book PDF

Author : William J. McShea,William M. Healy
Publisher : JHU Press
Page : 613 pages
File Size : 42,8 Mb
Release : 2003-06-04
Category : Science
ISBN : 9780801877988

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Oak Forest Ecosystems by William J. McShea,William M. Healy Pdf

Oak Forest Ecosystems focuses on the relationship between an oak forest's acorn yield and species of wildlife that depend on it. It begins by treating factors such as oak distribution, forest fires, tree diseases and pests, dynamics of acorn production, and acorn dispersal by birds and mammals. Special consideration is given to the phenomenon of masting—whereby oaks in a given area will produce huge crops of acorns at irregular intervals—a key component for wildlife researchers and managers in understanding patterns of scarcity and abundance in the creatures that feed on this crop. Relationships between oaks and animals such as mice, squirrels, turkeys, deer, and bear are discussed, as are the differences between eastern, southern Appalachian, southwestern, and California oak forests. Contributors: Marc D. Abrams, Pennsylvania State University • Patrick H. Brose, U.S. Department of Agriculture Forest Service • John P. Buonaccorsi, University of Massachusetts • Daniel Dey, U.S. Department of Agriculture Forest Service • Joseph S. Elkinton, University of Massachusetts • George A. Feldhamer, Southern Illinois University • Peter F. Folliott, University of Arizona • Lee E. Frelich, University of Minnesota • Cathryn H. Greenberg, U.S. Department of Agriculture Forest Service • William M. Healy, U.S. Department of Agriculture Forest Service • Roy L. Kirkpatrick, Virginia Polytechnic Institute and State University • Johannes M. H. Knops, University of Nebraska • Walter D. Koenig, University of California • Nelson W. Lafon, Virginia Department of Game and Inland Fisheries • Andrew M. Liebhold, U.S. Department of Agriculture Forest Service • William J. McShea, National Zoological Park Conservation and Research Center • William H. McWilliams, U.S. Department of Agriculture Forest Service • Gary W. Norman, Virginia Department of Game and Inland Fisheries • Steven W. Oak, U.S. Department of Agriculture Forest Service • Renee A. O'Brien, U.S. Department of Agriculture Forest Service • Richard S. Ostfeld, Institute of Ecosystem Studies • Bernard R. Parresol, U.S. Department of Agriculture Forest Service • Peter J. Perkins, University of New Hampshire • Gordon C. Reese, Colorado State University • Peter B. Reich, University of Minnesota • Peter D. Smallwood, University of Richmond • Christopher C. Smith, Kansas State University • Richard B. Standiford, University of California–Berkeley • Martin A. Stapanian, Ohio Cooperative Wildlife Unit • Michael A. Steele, Wilkes University • David Steffen, Virginia Department of Game and Inland Fisheries • David H. Van Lear, Clemson University • Michael R. Vaughan, Virginia Polytechnic Institute and State University • Karen L. Waddell, U.S. Department of Agriculture Forest Service

A Practical Guide to Oak Release

Constance A. Harrington
A Practical Guide to Oak Release Book PDF

Author : Constance A. Harrington
Publisher : Unknown
Page : 28 pages
File Size : 50,7 Mb
Release : 2006
Category : Competition (Biology)
ISBN : MINN:31951D02977066D

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A Practical Guide to Oak Release by Constance A. Harrington Pdf

Oregon white oak savannas and woodlands represent a biological and cultural legacy in the Pacific Northwest. Many Oregon white oak stands are deteriorating owing to invasion and eventual overtopping by Douglas-fir or other conifers. Releasing the shade-intolerant oak trees from overtopping conifers can often restore these oak stands. When planning a release operation, there are many factors to consider such as timing and intensity of release, which trees to select for release, and management of the understory. A carefully executed oak release can minimize damage to oak trees, and followup treatments may reduce the spread of invasive plants. This guide answers the most commonly asked questions related to oak release.