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Author : Constance A. Harrington
Publisher : Unknown
Page : 124 pages
File Size : 55,8 Mb
Release : 2002
Category : Oak
ISBN : MINN:31951D02996589A
Author : Constance A. Harrington
Publisher : Unknown
Page : 0 pages
File Size : 43,8 Mb
Release : 2002
Category : Oak
ISBN : OCLC:1063884475
Author : Anonim
Publisher : Unknown
Page : 1072 pages
File Size : 44,5 Mb
Release : 2002
Category : Forests and forestry
ISBN : CORNELL:31924089611168
Author : Constance A. Harrington
Publisher : Unknown
Page : 28 pages
File Size : 41,6 Mb
Release : 2006
Category : Competition (Biology)
ISBN : MINN:31951D02977066D
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.
Author : Dean Apostol,Marcia Sinclair
Publisher : Island Press
Page : 506 pages
File Size : 52,9 Mb
Release : 2012-09-26
Category : Science
ISBN : 9781610911030
The Pacific Northwest is a global ecological "hotspot" because of its relatively healthy native ecosystems, a high degree of biodiversity, and the number and scope of restoration initiatives that have been undertaken there. Restoring the Pacific Northwest gathers and presents the best examples of state-of-the-art restoration techniques and projects. It is an encyclopedic overview that will be an invaluable reference not just for restorationists and students working in the Pacific Northwest, but for practitioners across North America and around the world.
Author : Anonim
Publisher : Unknown
Page : 176 pages
File Size : 53,8 Mb
Release : 2007
Category : Douglas fir
ISBN : MINN:31951D02974976P
Silvicultural practices in the Douglas-fir region evolved through a combination of formal research, observation, and practical experience of forest managers and silviculturists, and changing economic and social factors. This process began more than a century ago and still continues. It has had a great influence on the economic well-being of the region and on the present characteristics of the regions forests. This long history is unknown to most of the public, and much of it is unfamiliar to many natural resource specialists outside (and even within) the field of silviculture. We trace the history of how we got where we are today and the contribution of silvicultural research to the evolution of forest practices. We give special attention to the large body of information developed in the first half of the past century that is becoming increasingly unfamiliar to both operational foresters andperhaps more importantlyto those engaged in forestry research. We also discuss some current trends in silviculture and silviculture-related research.
Author : Robert A. Monserud,Richard W. Haynes,Adelaide C. Johnson
Publisher : Springer Science & Business Media
Page : 532 pages
File Size : 55,9 Mb
Release : 2013-04-17
Category : Technology & Engineering
ISBN : 9789401703093
Public debate has stimulated interest in finding greater compatibility among forest management regimes. The debate has often portrayed management choices as tradeoffs between biophysical and socioeconomic components of ecosystems. Here we focus on specific management strategies and emphasize broad goals such as biodiversity, wood production and habitat conservation while maintaining other values from forestlands desired by the public. We examine the following proposition: Commodity production (timber, nontimber forest products) and the other forest values (biodiversity, fish and wildlife habitat) can be simultaneously produced from the same area in a socially acceptable manner. Based on recent research in the Pacific Northwest, we show there are alternatives for managing forest ecosystems that avoid the divisive arena of 'either-or' choices. Much of the work discussed in this book addresses two aspects of the compatibility issue. First, how are various forest management practices related to an array of associated goods and services? Second, how do different approaches to forest management affect relatively large and complex ecosystems?
Author : Anonim
Publisher : Unknown
Page : 882 pages
File Size : 53,7 Mb
Release : 2003
Category : Government publications
ISBN : WISC:89085732485
Author : Gregory A. Giusti,Douglas D. McCreary,Richard B. Standiford
Publisher : UCANR Publications
Page : 132 pages
File Size : 46,7 Mb
Release : 2005
Category : Technology & Engineering
ISBN : 1879906759
Designed for professional planners, consultants, and landscape architects, this new edition provides science-based information that can guide decision-making. As more development occurs in the oak woodlands this guide can provide a framework for preserving this icon of the California landscape.
Author : William Shurtleff, Akiko Aoyagi
Publisher : Soyinfo Center
Page : 368 pages
File Size : 52,9 Mb
Release : 2017-07-10
Category : Golf courses
ISBN : 9781928914945
The world's first book-length biography of Charles Vancouver Piper. It is current, well documented, and well illustration with an extensive subject and geographical index. With 62 photographs and illustrations. Free of charge in digital PDF format on Google Books.
Author : Edward Lee Greene
Publisher : Unknown
Page : 178 pages
File Size : 46,8 Mb
Release : 1889
Category : Oak
ISBN : UOM:39015079958941
Author : Douglas D. McCreary
Publisher : UCANR Publications
Page : 76 pages
File Size : 40,7 Mb
Release : 2001
Category : Blue oak
ISBN : 160107381X
Author : Eustaquio Gil-Pelegrín,José Javier Peguero-Pina,Domingo Sancho-Knapik
Publisher : Springer
Page : 547 pages
File Size : 41,7 Mb
Release : 2017-12-12
Category : Science
ISBN : 9783319690995
With more than 500 species distributed all around the Northern Hemisphere, the genus Quercus L. is a dominant element of a wide variety of habitats including temperate, tropical, subtropical and mediterranean forests and woodlands. As the fossil record reflects, oaks were usual from the Oligocene onwards, showing the high ability of the genus to colonize new and different habitats. Such diversity and ecological amplitude makes genus Quercus an excellent framework for comparative ecophysiological studies, allowing the analysis of many mechanisms that are found in different oaks at different level (leaf or stem). The combination of several morphological and physiological attributes defines the existence of different functional types within the genus, which are characteristic of specific phytoclimates. From a landscape perspective, oak forests and woodlands are threatened by many factors that can compromise their future: a limited regeneration, massive decline processes, mostly triggered by adverse climatic events or the competence with other broad-leaved trees and conifer species. The knowledge of all these facts can allow for a better management of the oak forests in the future.
Author : Warren D. Devine
Publisher : Unknown
Page : 36 pages
File Size : 50,8 Mb
Release : 2010
Category : Oak
ISBN : WISC:89101567642
The extent of oak woodland and savanna habitat in the Pacific Northwest has been dramatically reduced since settlement in the mid-1800s. This report presents a practical guide for landowners and managers who are interested in reestablishing native oak by planting seedlings. Keys to successful establishment are (1) planting quality seedlings, (2) controlling competing vegetation to increase soil water availability, and (3) protecting seedings from animal damage. A variety of effective cultural treatments, including mulch and tree shelters, are described in detail. Although early growth rates of planted oak seedlings are quite variable, even within the same site, this variation decreases over time after the seedlings become established.
Author : Anonim
Publisher : Unknown
Page : 420 pages
File Size : 48,7 Mb
Release : 1986
Category : Agriculture
ISBN : STANFORD:36105014006006