Read Books Online and Download eBooks, EPub, PDF, Mobi, Kindle, Text Full Free.
The Location Composition And Structure Of Old Growth Forests Of The Oregon Coast Range
Download The Location Composition And Structure Of Old Growth Forests Of The Oregon Coast Range full books in PDF, epub, and Kindle. Read online The Location Composition And Structure Of Old Growth Forests Of The Oregon Coast Range ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis The Location, Composition, and Structure of Old-growth Forests of the Oregon Coast Range by : Glenn Patrick Juday
Download or read book The Location, Composition, and Structure of Old-growth Forests of the Oregon Coast Range written by Glenn Patrick Juday and published by . This book was released on 1976 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characteristics of Remnant Old Growth Forests in the Northern Coast Range of Oregon and Comparison to Surrounding Landscapes by : Andrew N. Gray
Download or read book Characteristics of Remnant Old Growth Forests in the Northern Coast Range of Oregon and Comparison to Surrounding Landscapes written by Andrew N. Gray and published by DIANE Publishing. This book was released on 2011-05 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Old-growth forests provide unique habitat features and landscape functions compared to younger stands. The goals of many forest mgmt. plans in the Pacific NW include increasing the area of late-successional and old-growth forests. This study describes existing old-growth forests in the northern Oregon Coast Range that might serve as examples of desired future conditions and developmental pathways. Results suggest that although old-growth forests can develop along multiple pathways, stand composition and productivity constrain development such that expecting all late-successional stands to have the full complement of old-growth attributes may not be realistic. Illustrations. This is a print on demand report.
Book Synopsis Characteristics of Remnant Old-Growth Forests in the Northern Coast Range of Oregon and Comparison to Surrounding Landscapes by : United States Department of Agriculture
Download or read book Characteristics of Remnant Old-Growth Forests in the Northern Coast Range of Oregon and Comparison to Surrounding Landscapes written by United States Department of Agriculture and published by CreateSpace. This book was released on 2015-02-14 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Old-growth forests provide unique habitat features and landscape functions compared to younger stands. The goals of many forest management plans in the Pacific Northwest include increasing the area of late-successional and old-growth forests. The goal of this study was to describe existing old-growth forests in the northern Oregon Coast Range that might serve as examples of desired future conditions and developmental pathways. In addition, the abundance of specific stand attributes associated with old-growth stands was estimated from regional inventory data. Most of the old-growth stands had experienced moderately severe disturbances during their development resulting in mid- and understory trees belonging to cohorts younger than those of overstory trees. Most of the stands had the full complement of old-growth attributes (large shade-intolerant trees, shadetolerant trees, snags, and down wood), although the dead wood attributes tended to be less abundant in drier stand types. Thresholds for at least four of the five old-growth attributes were met on 7 percent of the inventory plots on federal lands, but on only 0.4 percent of the inventory plots on nonfederal lands. Shade-intolerant trees in particular were low in abundance in mature stands of intermediate diameter class (10 to 30 in). Large-diameter class stands (>30 in) were more abundant near the coast than near the Willamette Valley margin. Results suggest that although old-growth forests can develop along multiple pathways, stand composition and productivity constrain development such that expecting all late-successional stands to have the full complement of old-growth attributes may not be realistic.
Book Synopsis An Analysis of the Factors Governing Vegetational Structure and Composition of Old-growth Forest in the Picea Sitchensis Zone of the Oregon Coast by : Diane Roulston
Download or read book An Analysis of the Factors Governing Vegetational Structure and Composition of Old-growth Forest in the Picea Sitchensis Zone of the Oregon Coast written by Diane Roulston and published by . This book was released on 1976 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis General Technical Report PNW-GTR by :
Download or read book General Technical Report PNW-GTR written by and published by . This book was released on 2007 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characteristics of Remnant Old-growth Forests in the Northern Coast Range of Oregon and Comparison to Surrounding Landscapes by :
Download or read book Characteristics of Remnant Old-growth Forests in the Northern Coast Range of Oregon and Comparison to Surrounding Landscapes written by and published by . This book was released on 2009 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Survey of the Potential Natural Landmarks, Biotic Themes, of the North Pacific Border Region by :
Download or read book A Survey of the Potential Natural Landmarks, Biotic Themes, of the North Pacific Border Region written by and published by . This book was released on 1976 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Watershed-scale Vegetation Patterns in a Late-successional Forest Landscape in the Oregon Coast Range by : Michael C. Wimberly
Download or read book Watershed-scale Vegetation Patterns in a Late-successional Forest Landscape in the Oregon Coast Range written by Michael C. Wimberly and published by . This book was released on 1999 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge about vegetation patterns and ecological processes in unmanaged, late-successional watersheds is needed to provide a foundation for forest management strategies aimed at conserving native biodiversity. I examined influences of environmental variability and disturbance history on forest structure and composition in the Cummins Creek Wilderness, located on the central Oregon coast. Climatic and topographic variables explained the majority of hillslope community composition, while fire history explained most of the variability in hillslope forest structure. Forest structure and composition in riparian areas was related to a climatic gradient as well as position in the stream network. The abundance of two fire-sensitive species, Tsuga heterophylla (western hemlock) and Picea sitchensis (Sitka spruce), decreased with distance from old-growth patches, possibly reflecting a seed dispersal gradient that occurred following fires 80 to 140 years ago. I developed predictive maps of understory conifer patterns using remote sensing, aerial photographs, digital elevation models and stream maps. I predicted P. sitchensis regeneration based on distance from the coast and topography, and T. heterophylla regeneration based on crown size, percent hardwood composition, topography, and distance from old-growth patches. Although I found statistically significant relationships between understory patterns and GIS predictor variables, the models explained only low to moderate amounts of the overall variability. Landscape-scale simulations of T. heterophylla showed that population expansion through gap-phase recruitment was limited by short seed dispersal distances in closed-canopy forests, the requirement for canopy gap disturbances to facilitate overstory recruitment, and the lag between recruitment and reproduction. Although fine-scale habitat features can influence the amount of regeneration in a gap when seed sources are present, the fire regime may ultimately control the abundance of T. heterophylla at the landscape scale through dispersal limitations. Brief increases in fire frequency can cause a sustained decrease in the amount of T. heterophylla on the landscape once fire frequency is reduced below a threshold value. Our results emphasize the complexity and diversity of forest vegetation at the watershed scale. Environmental variability, disturbance history, and dispersal limitations have all played a role in creating the current landscape patterns in the Cummins Creek Wilderness.
Download or read book In a Dark Wood written by and published by Transaction Publishers. This book was released on with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a Dark Wood presents a history of debates among ecologists over what constitutes good forestry, and a critique of the ecological reasoning behind contemporary strategies of preservation, including the Endangered Species Act. Chase argues that these strategies, in many instances adopted for political, rather than scientific reasons, fail to promote biological diversity and may actually harm more creatures than they help. At the same time, Chase offers examples of conservation strategies that work, but which are deemed politically incorrect and ignored. In a Dark Wood provides the most thoughtful and complete account yet written of radical environmentalism. And it challenges the fundamentalâbut largely unexaminedâassumptions of preservationism, such as those concerning whether there is a "balance of nature," whether all branches of ecology are really science, and whether ecosystems exist. In his new introduction, Chase evaluates the response to his book and reports on recent developments in environmental science, policy, and politics. In a Dark Wood was judged by a recent national poll to be one of the one hundred best nonfiction books written in the English language during the twentieth century. A smashing good read, this book will be of interest to environmentalists, ecologists, philosophers, biologists, and bio-ethicists, and anyone concerned about ecological issues.
Download or read book General Technical Report PNW. written by and published by . This book was released on 1991 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Journal of Forest Research by :
Download or read book Canadian Journal of Forest Research written by and published by . This book was released on 2004 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Natural Areas in Oregon and Washington by : Sarah Greene
Download or read book Research Natural Areas in Oregon and Washington written by Sarah Greene and published by . This book was released on 1986 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spatial and Regional Analysis Methods in Forestry Economics by : Alex Obiya
Download or read book Spatial and Regional Analysis Methods in Forestry Economics written by Alex Obiya and published by . This book was released on 1986 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plant Association and Management Guide by : Miles A. Hemstrom
Download or read book Plant Association and Management Guide written by Miles A. Hemstrom and published by . This book was released on 1986 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Publications of the Cascade Head Experimental Forest and Scenic Research Area, Oregon Coast Range, 1934 to 1990 by : Sarah Greene
Download or read book Research Publications of the Cascade Head Experimental Forest and Scenic Research Area, Oregon Coast Range, 1934 to 1990 written by Sarah Greene and published by . This book was released on 1991 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forest and Stream Management in the Oregon Coast Range by : Stephen D. Hobbs
Download or read book Forest and Stream Management in the Oregon Coast Range written by Stephen D. Hobbs and published by . This book was released on 2002 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: This major volume presents a wealth of fundamental and applied research on managing Coast Range forest and stream ecosystems. Written primarily for managers and resource specialists, the book will also appeal to policymakers, resource scientists, forest landowners, the conservation community, and students interested in forestry, fisheries, and wildlife sciences.
Book Synopsis Region 6 Interim Old Growth Definition for Douglas-fir Series, Grand Fir/white Fir Series, Interior Douglas Fir Series, Lodgepole Pine Series, Pacific Silver Fir Series, Ponderosa Pine Series, Port-Orford-cedar and Tanoak (redwood) Series, Subalpine Fir Series, Western Hemlock Series by :
Download or read book Region 6 Interim Old Growth Definition for Douglas-fir Series, Grand Fir/white Fir Series, Interior Douglas Fir Series, Lodgepole Pine Series, Pacific Silver Fir Series, Ponderosa Pine Series, Port-Orford-cedar and Tanoak (redwood) Series, Subalpine Fir Series, Western Hemlock Series written by and published by . This book was released on 1993 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
