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Animal Damage Vegetative Competition And Growth Of Western Hemlock Seedlings In The Coast Range Of Oregon
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Book Synopsis Animal Damage, Vegetative Competition and Growth of Western Hemlock Seedlings in the Coast Range of Oregon by : Joan Marie Hyatt
Download or read book Animal Damage, Vegetative Competition and Growth of Western Hemlock Seedlings in the Coast Range of Oregon written by Joan Marie Hyatt and published by . This book was released on 1992 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: The growth of western hemlock during the first four years of seedling establishment was examined in a competitive environment in which seedlings were exposed to various types of animal damage and salmonberry and/or alder competition. The study utilized an existing Nelder/replacement series experiment which focused on the competitive effects among western hemlock, red alder, and salmonberry. Vegetative competition was evaluated in terms of overtopping and encroaching cover within a one meter radius of each seedling. Animal damage observed in the study included browsing, (feeding injury of deer and elk), racking (antler rubbing from deer and elk), clipping and girdling (feeding injury from rabbits and hares.) Hemlock growth in terms of total height, height growth, and total volume, was compared between damaged and undamaged seedlings through multiple regression analysis. Sites used in this study were located in the central Coast Range of Oregon on three separate clearcut units. Growth reductions for hemlock seedlings were mainly due to vegetative competition. The best predictors of hemlock growth were overtopping by salmonberry and overtopping by alder. Hemlock seedlings experienced greater growth reductions due to vegetative competition than from the presence of animal damage. This held true for all animal damage, except clipping by lagomorphs. The clipped seedlings showed significant reductions in growth due to the clipping damage. Results suggest the importance of managing competing vegetation to reduce conifer losses and minimize dense shrub habitat which foster rabbit and hare populations.
Download or read book General Technical Report RMRS written by and published by . This book was released on 1998 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS)* at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volumes were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 38 (thesis year 1993) a total of 13,787 thesis titles from 22 Canadian and 164 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 38 reports theses submitted in 1993, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.
Book Synopsis Managing Western Hemlock Forests in the Oregon Coast Range by : Ralph Edward Duddles
Download or read book Managing Western Hemlock Forests in the Oregon Coast Range written by Ralph Edward Duddles and published by . This book was released on 1998 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Paper PNW. written by and published by . This book was released on 1978 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Managing for Enhancement of Riparian and Wetland Areas of the Western United States by : David A. Koehler
Download or read book Managing for Enhancement of Riparian and Wetland Areas of the Western United States written by David A. Koehler and published by . This book was released on 2000 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This annotated bibliography contains 1,905 citations from professional journals, symposia, workshops, proceedings, technical reports, and other sources. The intent of this compilation was to: (1) assemble, to the extent possible, all available and accessible publications relating to riparian management within a single source or document; (2) provide managers, field biologists, researchers, and others, a point of access for locating scientific literature relevent to their specific interest; and (3) provide, under one cover, a comprehensive collection of annotated publications that could dessiminate basic information relative to the status of our knowledge.
Book Synopsis Silvical Characteristics of Western Hemlock by : Carl M. Berntsen
Download or read book Silvical Characteristics of Western Hemlock written by Carl M. Berntsen and published by . This book was released on 1958 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Western Oregon Program-management of Competing Vegetation by : United States. Bureau of Land Management. Oregon State Office
Download or read book Western Oregon Program-management of Competing Vegetation written by United States. Bureau of Land Management. Oregon State Office and published by . This book was released on 1989 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Northwest Science written by and published by . This book was released on 1991 with total page 310 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 2006 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forest Nursery Manual: Production of Bareroot Seedlings by : Mary L. Duryea
Download or read book Forest Nursery Manual: Production of Bareroot Seedlings written by Mary L. Duryea and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: ing damage ranged from odor. to general visual appearance. Attributes of seedling quality are categorized as either to cutting buds. to scraping bark to detect dead cambium. performance attributes (RGP. frost hardiness. stress resistance) One nursery reported using frost hardiness as an indicator of or material attributes (bud dormancy. water relations. nutrition. when to begin fall lifting. but none reported using it as an morphology). Performance attributes are assessed by placing indicator of seedling quality before shipping stock to customers. samples of seedlings into specified controlled environments and evaluating their responses. Although some effective short 23.4.3 Stress resistance cut procedures are being developed. performance tests tend Only three nurseries measure stress resistance. They use to be time consuming; however, they produce results on whole the services of Oregon State University and the test methods plant responses which are often closely correlated with field described in 23.2.3. One nursery reported that results of stress performance. Material attributes. on the other hand. reflect tests did not agree well with results of RGP tests and that RGP only individual aspects of seedling makeup and are often correlated better with seedling survival in the field. Most stress poorly correlated with performance. tests are conducted for reforestation personnel rather than for Bud dormancy status seems to be correlated. at least nurseries.
Book Synopsis Proceedings, Land Classifications Based on Vegetation by :
Download or read book Proceedings, Land Classifications Based on Vegetation written by and published by . This book was released on 1989 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Initial and Continued Effects of a Release Spray in a Coastal Oregon Douglas-fir Plantation by : Richard E. Miller
Download or read book Initial and Continued Effects of a Release Spray in a Coastal Oregon Douglas-fir Plantation written by Richard E. Miller and published by . This book was released on 1996 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Tree Planters' Notes written by and published by . This book was released on 1984 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some no. include reports compiled from information furnished by State Foresters (and others).
Book Synopsis Silvical Series by : United States. Forest Service
Download or read book Silvical Series written by United States. Forest Service and published by . This book was released on 1958 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Western Oregon Program written by and published by . This book was released on 1989 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book General Technical Report INT. written by and published by . This book was released on 1989 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
