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Author : United States. Forest Service
Publisher : Unknown
Page : 8 pages
File Size : 42,9 Mb
Release : 1970
Category : Electronic
ISBN : STANFORD:36105026318563
Author : Robert L. Brisbin
Publisher : Unknown
Page : 8 pages
File Size : 46,5 Mb
Release : 1970
Category : Eastern hemlock
ISBN : MINN:30000007343290
Author : Harold Scofield Betts
Publisher : Unknown
Page : 6 pages
File Size : 51,8 Mb
Release : 1953
Category : Eastern hemlock
ISBN : OCLC:85228606
Author : Harold Scofield Betts
Publisher : Unknown
Page : 5 pages
File Size : 46,7 Mb
Release : 1945
Category : Eastern hemlock
ISBN : OCLC:43083011
Author : Anthony D'Amato,Benjamin Baiser,Aaron M. Ellison,David Foster,David Orwig,Wyatt Oswald,Audrey Barker Plotkin,Jonathan Thompson
Publisher : Yale University Press
Page : 336 pages
File Size : 53,5 Mb
Release : 2014-04-29
Category : Nature
ISBN : 9780300179385
An appreciation of the beautiful, iconic, and endangered Eastern Hemlock and what it means to nature and society The Eastern Hemlock, massive and majestic, has played a unique role in structuring northeastern forest environments, from Nova Scotia to Wisconsin and through the Appalachian Mountains to North Carolina, Tennessee, and Alabama. A “foundation species” influencing all the species in the ecosystem surrounding it, this iconic North American tree has long inspired poets and artists as well as naturalists and scientists. Five thousand years ago, the hemlock collapsed as a result of abrupt global climate change. Now this iconic tree faces extinction once again because of an invasive insect, the hemlock woolly adelgid. Drawing from a century of studies at Harvard University’s Harvard Forest, one of the most well-regarded long-term ecological research programs in North America, the authors explore what hemlock’s modern decline can tell us about the challenges facing nature and society in an era of habitat changes and fragmentation, as well as global change.
Author : Harold S. Betts
Publisher : Unknown
Page : 12 pages
File Size : 41,7 Mb
Release : 1953
Category : Electronic
ISBN : OCLC:1039868910
Author : Harold Scofield Betts
Publisher : Unknown
Page : 8 pages
File Size : 53,9 Mb
Release : 1945
Category : Western hemlock
ISBN : MINN:30000007343266
Author : Shelley E. Schoonover
Publisher : Unknown
Page : 274 pages
File Size : 45,9 Mb
Release : 1951
Category : Identification of Wood
ISBN : UOM:39015068570335
Author : Anonim
Publisher : Unknown
Page : 294 pages
File Size : 55,5 Mb
Release : 1980
Category : Forests and forestry
ISBN : OSU:32435068749720
Author : Harry Arthur Alden
Publisher : Unknown
Page : 156 pages
File Size : 54,7 Mb
Release : 1997
Category : Conifers
ISBN : MINN:31951D02889824O
This report describes 52 taxa of North American softwoods, which are organized alphabetically by genus. Descriptions include scientific name, trade name, distribution, tree characteristics, wood characteristics (e.g., general, weight, mechanical properties, drying, shrinkage, working properties, durability, preservation, uses, and toxicity), and additional sources of information. Data were compiled from existing literature, mostly from research done at the U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, Madison, Wisconsin.
Author : Anthony D'Amato,Benjamin Baiser,Aaron M. Ellison,David Foster,David Orwig,Wyatt Oswald,Audrey Barker Plotkin,Jonathan Thompson
Publisher : Yale University Press
Page : 336 pages
File Size : 53,7 Mb
Release : 2014-04-29
Category : Nature
ISBN : 9780300186772
The Eastern Hemlock, massive and majestic, has played a unique role in structuring northeastern forest environments, from Nova Scotia to Wisconsin and through the Appalachian Mountains to North Carolina, Tennessee, and Alabama. A “foundation species” influencing all the species in the ecosystem surrounding it, this iconic North American tree has long inspired poets and artists as well as naturalists and scientists. Five thousand years ago, the hemlock collapsed as a result of abrupt global climate change. Now this iconic tree faces extinction once again because of an invasive insect, the hemlock woolly adelgid. Drawing from a century of studies at Harvard University’s Harvard Forest, one of the most well-regarded long-term ecological research programs in North America, the authors explore what hemlock’s modern decline can tell us about the challenges facing nature and society in an era of habitat changes and fragmentation, as well as global change.
Author : George M. Briggs
Publisher : Unknown
Page : 128 pages
File Size : 46,5 Mb
Release : 2021-07-16
Category : Electronic
ISBN : 1942341822
Author : Shelley E. Schoonover
Publisher : Unknown
Page : 272 pages
File Size : 41,5 Mb
Release : 1955
Category : Trees
ISBN : UOM:39015006894516
Author : Anonim
Publisher : Unknown
Page : 1806 pages
File Size : 44,9 Mb
Release : 1945
Category : Government publications
ISBN : STANFORD:36105006329309
Author : Russell M. Burns
Publisher : Unknown
Page : 696 pages
File Size : 43,7 Mb
Release : 1990
Category : Conifers
ISBN : UFL:31262047099543