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Author : Suren Rubenian Gevorkiantz
Publisher : Unknown
Page : 44 pages
File Size : 53,8 Mb
Release : 1930
Category : White pine
ISBN : MINN:31951D01423470R
Author : Bryan Lewellyn Wade,Carlos Glazier Bates,Charles Lewis Fluke,Henry Harrison Bakken,James Johnson,John Alfred Mitchell,Ray Harland Roberts,Suren Rubenian Gevorkiantz,Warren Whitcomb (Jr.)
Publisher : Unknown
Page : 852 pages
File Size : 47,6 Mb
Release : 1929
Category : Apples
ISBN : UIUC:30112019936027
Author : Bryan Lewellyn Wade,Carlos Glazier Bates,Charles Lewis Fluke,Earl J. Renard,Henry Harrison Bakken,James Johnson,Ray Harland Roberts,Suren Rubenian Gevorkiantz,Warren Whitcomb (Jr.)
Publisher : Unknown
Page : 824 pages
File Size : 50,7 Mb
Release : 1929
Category : Apples
ISBN : UIUC:30112004270960
Author : United States. Forest Service
Publisher : Unknown
Page : 244 pages
File Size : 53,5 Mb
Release : 1930
Category : Forest experiment stations
ISBN : UOM:39015069539404
Author : Anonim
Publisher : Unknown
Page : 172 pages
File Size : 40,7 Mb
Release : 1966
Category : Pine
ISBN : UIUC:30112104067597
Author : Anonim
Publisher : Unknown
Page : 268 pages
File Size : 46,5 Mb
Release : 1998
Category : Forests and forestry
ISBN : CORNELL:31924094648098
Author : Anonim
Publisher : Unknown
Page : 264 pages
File Size : 41,8 Mb
Release : 2004
Category : Forest management
ISBN : MINN:31951D02996496H
Author : Wayne D. Shepperd,Lane G. Eskew
Publisher : Unknown
Page : 272 pages
File Size : 55,8 Mb
Release : 2004
Category : Forest management
ISBN : UOM:39015068776049
Author : Volney Morgan Spalding
Publisher : Unknown
Page : 230 pages
File Size : 40,6 Mb
Release : 1899
Category : White pine
ISBN : NYPL:33433007883394
Author : George R. Trimble (Jr.)
Publisher : Unknown
Page : 536 pages
File Size : 44,5 Mb
Release : 1965
Category : Hardwoods
ISBN : STANFORD:36105119495047
S2Work carried out by the Northeastern Forest Experiment Station in West Virginia in the past 12 years provides useful information about the relationships between tree d.b.h. and butt-log grade. The upper logs are not included in the relationships. Being smaller and containing more knots, these upper logs are generally of lower grade than the butt logs. Thus the average grade of all material in the sawlog portion of the tree is generally lower than the average grade of the butt log. In the West Virginia data, species differences in d.b.h.-grade relationship are readily apparent. This inherent tendency for species to have different proportions of the various grades in logs of the same size is a familiar phenomenon to grade-conscious foresters who work with hardwoods. The results in this paper provide a quantitative evaluation of this tendency for six of the local species.S3.
Author : John Pastor
Publisher : Island Press
Page : 226 pages
File Size : 52,6 Mb
Release : 2023-01-05
Category : Nature
ISBN : 9781642831412
America was built on white pine. From the 1600s through the Civil War and beyond, it was used to build the nation’s ships and houses, barns, and bridges. It became a symbol of independence, adorning the Americans’ flag at Bunker Hill, and an economic engine, generating three times more wealth than the California gold rush. Yet this popularity came at a cost: by the end of the 19th century, clear cutting had decimated much of America’s white pine forests. In White Pine: The Natural and Human History of a Foundational American Tree, ecologist and writer John Pastor takes readers on walk through history, connecting the white pine forests that remain today to a legacy of destruction and renewal. Since the clear-cutting era, naturalists, foresters, and scientists have taken up the quest to restore the great white pine forests. White Pine follows this centuries-long endeavor, illuminating how the efforts shaped Americans’ understanding of key scientific ideas, from forest succession to the importance of fire. With his keen naturalist’s eye, Pastor shows us why restoring the vitality of these forests has not been simple: a host of other creatures depend on white pine and white pine depends on them. In weaving together cultural and natural history, White Pine celebrates the way humans are connected to the forest—and to the larger natural world. Today, white pine forests have begun to recover, but face the growing threat of climate change. White Pine shows us that hope for healthy forests lies in understanding the lessons of history, so that iconic species survive as a touchstone for future generations.
Author : Northeastern Forest Experiment Station (Radnor, Pa.)
Publisher : Unknown
Page : 522 pages
File Size : 43,5 Mb
Release : 1965
Category : Forests and forestry
ISBN : UOM:39015001295073
Author : Northeastern Forest Experiment Station (Radnor, Pa.)
Publisher : Unknown
Page : 630 pages
File Size : 46,5 Mb
Release : 1963
Category : Forests and forestry
ISBN : WISC:89037105210
Author : United States. Forest Service
Publisher : Unknown
Page : 790 pages
File Size : 47,7 Mb
Release : 1912
Category : Electronic
ISBN : PURD:32754077815730
Author : Anonim
Publisher : Unknown
Page : 1032 pages
File Size : 49,9 Mb
Release : 1930
Category : Agriculture
ISBN : IND:30000097221067