Specific Gravity and Other Properties of Wood and Bark for 156 Tree Species Found in North America PDF Download
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Author: Patrick D. Miles
Publisher:
ISBN:
Category : Specific gravity
Languages : en
Pages : 40
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Book Description
Much information is available for specific gravity and other properties of wood and bark, but it is widely scattered in the literature. This paper compiles information for estimation of biomass for 156 tree species found in North America for use in national forest inventory applications. We present specific gravities based on average green volume as well as 12 percent moisture content volume for calculation of oven-dry biomass. Additional information is included on bark thickness, bark voids, and bark percentages by species and green and dry weight of wood and bark. --
Author: Patrick D. Miles
Publisher:
ISBN:
Category : Specific gravity
Languages : en
Pages : 40
Get Book Here
Book Description
Much information is available for specific gravity and other properties of wood and bark, but it is widely scattered in the literature. This paper compiles information for estimation of biomass for 156 tree species found in North America for use in national forest inventory applications. We present specific gravities based on average green volume as well as 12 percent moisture content volume for calculation of oven-dry biomass. Additional information is included on bark thickness, bark voids, and bark percentages by species and green and dry weight of wood and bark. --
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 8
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 4
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Book Description
Author: Dale D. Wade
Publisher:
ISBN:
Category : Everglades (Fla.)
Languages : en
Pages : 136
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Book Description
Author: Southeastern Forest Experiment Station (Asheville, N.C.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 204
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Book Description
Author: United States. Forest Service
Publisher:
ISBN:
Category : Forest policy
Languages : en
Pages : 240
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Book Description
Combined reports of: Report to Congress and Report for the Secretary of Agriculture.
Author:
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 402
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Book Description
"Southern forests provide innumerable benefits. Forest scientists, managers, owners, and users have in common the desire to improve the condition of these forests and the ecosystems they support. A first step is to understand the contributions science has made and continues to make to the care and management of forests. This book represents a celebration of past accomplishments, summarizes the current state of knowledge, and creates a vision for the future of southern forestry research and management. Chapters are organized into seven sections: "Looking Back," "Productivity," "Forest Health," "Water and Soils," "Socioeconomic," "Biodiversity," and "Climate Change." Each section is preceded by a brief introductory chapter. Authors were encouraged to focus on the most important aspects of their topics; citations are included to guide readers to further information."
Author:
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ISBN:
Category : Forest fire forecasting
Languages : en
Pages : 52
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Book Description
The objective of this study was to provide managers with national-level data on current conditions of vegetation and fuels developed from ecologically based methods to address these questions: How do current vegetation and fuels differ from those that existed historically? Where on the landscape do vegetation and fuels differ from historical levels? In particular, where are high fuel accumulations? When considered at a coarse scale, which areas estimated to have high fuel accumulations represent the highest priorities for treatment?
Author: Sally J. Campbell
Publisher:
ISBN:
Category : Forest surveys
Languages : en
Pages : 28
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Book Description
This publication presents highlights of a recent southeast Alaska inventory and analysis conducted by the Pacific Northwest Research Station Forest Inventory and Analysis Program (USDA Forest Service). Southeast Alaska has about 22.9 million acres, of which two-thirds are vegetated. Almost 11 million acres are forest land and about 4 million acres have nonforest vegetation (herbs and shrubs). Species diversity is greatest in western hemlockAlaska cedar closed-canopy forests, in mixed-conifer open and woodland forests, and in open tall alder-willow shrub type. Of the forest land, 4.1 million acres are classified as timberland (unreserved productive forest land). About 4.4 million acres of forest land are reserved from harvest; the majority of this reserved land (85 percent) is on the Tongass National Forest (USDA Forest Service). The volume of timber on timberland was estimated at 21,040 million cubic feet; the majority of volume88 percentis on the Tongass National Forest. Seventy-four percent of timberland acres and 84 percent of the growing-stock volume is in sawtimber stands older than 150 years, with western hemlock or western hemlockSitka spruce mix predominating. Most timberland in southeast Alaska is of relatively low productivity, producing less than 85 cubic feet per acre per year. For most timberland acres, average annual growth exceeds average annual mortality and harvest.
Author: David N. Wear
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 104
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Book Description
Forces of change; Social and economics systems; Forest area conditions; Terrestrial ecosystems; Water quality, wetlands, and aquatic ecosystems.
