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Author :
Publisher :
ISBN 13 :
Total Pages : 744 pages
Book Rating : 4.47/5 ( download)
Download or read book The Forest Ecosystem of Southeast Alaska written by and published by . This book was released on 1974 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.47/5 ( download)
Download or read book The Forest Ecosystem of Southeast Alaska written by Pacific Northwest Forest and Range Experiment Station (Portland, Or.) and published by . This book was released on 1974 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.75/5 ( download)
Download or read book The Forest Ecosystem of Southeast Alaska: The setting, by A. S. Harris written by Pacific Northwest Forest and Range Experiment Station (Portland, Or.) and published by . This book was released on 1974 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. S. Harris
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.3R/5 ( download)
Download or read book The Forest Ecosystem of Southeast Alaska written by A. S. Harris and published by . This book was released on 1974 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Large-scale use of the timber resource of southeast Alaska began in 1953 after long efforts to establish a timber industry. Development and present status of the industry and present management of the timber resource are summarized, stressing the biological basis for timber management activities in southeast Alaska today. Ecological and silvicultural considerations related to timber harvest, reforestation, and stand development are discussed. Published and unpublished information are brought together. Current management practices are discussed as a basis for a better understanding of how this information can be helpful in managing the timber resource and to point out where research is needed.
Author : A. S. Harris
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.00/5 ( download)
Download or read book The Forest Ecosystem of Southeast Alaska written by A. S. Harris and published by . This book was released on 1974 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: A description of the discovery and exploration of southeast Alaska sets the scene for a discussion of the physical and biological features of this region. Subjects discussed include geography, climate, vegetation types, geology, minerals, forest products, soils, fish, wildlife, water, recreation, and aesthetic values. This is the first of a series of publications summarizing present knowledge of southeast Alaska's forest resources. Publications will follow which discuss in detail the subjects mentioned above and how this information can be helpful in managing the resources.
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.12/5 ( download)
Download or read book The Forest Ecosystem of Southeast Alaska: Soil mass movement, by D. N. Swanston written by Pacific Northwest Forest and Range Experiment Station (Portland, Or.) and published by . This book was released on 1974 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.36/5 ( download)
Download or read book The Forest Ecosystem of Southeast Alaska: Forest ecology and timber management, by A. S. Harris and W. A. Farr written by Pacific Northwest Forest and Range Experiment Station (Portland, Or.) and published by . This book was released on 1974 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.29/5 ( download)
Download or read book The Forest Ecosystem of Southeast Alaska: Forest diseases, by T. H. Laurent written by Pacific Northwest Forest and Range Experiment Station (Portland, Or.) and published by . This book was released on 1974 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Donald C. Schmiege
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.73/5 ( download)
Download or read book The Forest Ecosystem of Southeast Alaska written by Donald C. Schmiege and published by . This book was released on 1974 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John S. Hard
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.17/5 ( download)
Download or read book The Forest Ecosystem of Southeast Alaska written by John S. Hard and published by . This book was released on 1974 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Southeast Alaska's remaining virgin forests have few insect pests. The black-headed budworm and the hemlock sawfly, both western hemlock defoliators, are the most important species. They kill some trees, kill tops in others, and cause growth loss, but stands survive their attacks. Extensive conversion of virgin stands to second growth may result in an increase in pest problems as it has in similar areas such as coastal British Columbia. ??Widespread use of insecticides to control major outbreaks is not practical because of risk of contaminating salmon-spawning and trout-rearing streams; but insecticide use may be justified in local, high value areas. Weather, diseases, and parasites control outbreaks naturally. Damage-prone stands should be identified and harvested before insect attack or salvage-logged following outbreaks. Ideally, second-growth stands should be managed for resistance to insect pests.
