Approaches for Analyzing the Effects of Wildfires on Resource Values in Alaska PDF Download
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Author: Gunnar Knapp
Publisher:
ISBN:
Category : Natural resources
Languages : en
Pages : 128
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Book Description
A review and evaluation of methods to measure in quantitative economic terms the resource values typically lost and gained as a result of wildfires in Alaska.
Author: Gunnar Knapp
Publisher:
ISBN:
Category : Natural resources
Languages : en
Pages : 128
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Book Description
A review and evaluation of methods to measure in quantitative economic terms the resource values typically lost and gained as a result of wildfires in Alaska.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 172
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Book Description
Author: Audrey Jean Magoun
Publisher:
ISBN:
Category : Fur-bearing animals
Languages : en
Pages : 316
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Author:
Publisher:
ISBN:
Category : Outdoor recreation
Languages : en
Pages : 6
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Book Description
Changes in recreation values after wildfire in the northern Rocky Mountains were determined by estimating the difference in the present net value of recreation activity with and without fire. To estimate the value of recreation activity at burned and unburned sites, a contingent market valuation approach was used. Hypothetical market transactions were created by soliciting bids from recreationists, which they based on phorographs of recreation sites depicting scenes before and after two kinds of fire--one of low intensity and the other of high intensity. They were asked what they would pay for the situation they most preferred. The results suggest that net value changes in recreation resources are generally low, and possibly insignificant in economic efficiency analyses of fire management programs.
Author: Marion Page
Publisher:
ISBN:
Category : Lodgepole pine
Languages : en
Pages : 10
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Book Description
The mountain pine beetle (Dendroctonus ponderosae Hopkins) is the most destructive insect that attacks lodgepole pine (Pinus contorta Dougl.), a species valued for multiple uses throughtout North America. The effective residual life of carbaryl, applied as a 2 percent suspension of Sevimol to the bark of lodgepole pine to prevent attack by mountain pine beetle, was evaluated near Dillon, Colorado. Trees (9,568) treated in 1982 under operational conditions were used to assess the efficacy of the treatment for one and two beetle flight periods after insecticide application. Estimated mortality of untreated trees was 0.91 percent compared with 0.074 percent for trees treated 16 months earlier with carbaryl. Residues of carbaryl were estimated at 359 ppm 16 months after application. When exposed to intense beetle pressure, bolts from trees treated 13 months earlier suffered fewer attacks and had shorter mean egg gallery length than did bolts from untreated trees; bolts from trees sprayed 3 months earlier suffered no attacks. Apparently a 2 percent suspension of carbaryl applied to the bole of lodgepole pine was effective in protecting lodgepole pine from mountain pine beetle for the flight period 3 months after application and even provided protection for a second flight period 16 months after treatment. I The results suggest that protection cost and I insecticide use could be reduced by 50 percent during a 4-year outbreak.
Author: Linda E. Kruger
Publisher: DIANE Publishing
ISBN: 9781422310724
Category :
Languages : en
Pages : 64
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Book Description
This problem analysis describes a variety of human-resource interaction issues & identifies related social science R&D needs that serve as the foundation for the Alaska Communities & Forest Environments Team within the Pacific Northwest Research Station. The document lays out a research agenda that focuses on understanding relations between human communities & natural resources. The agenda is divided into four sub-topics: (1) communities in transition; (2) collaborative planning & stewardship; (3) sustainable tourism & outdoor recreation; & (4) cultural orientations to & uses & values of natural resources, including traditional knowledge, indigenous property rights, & tenure systems. Illustrations.
Author: Linda Everett Kruger
Publisher:
ISBN:
Category : Forestry and community
Languages : en
Pages : 64
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Book Description
Author:
Publisher:
ISBN:
Category : Forest policy
Languages : en
Pages : 486
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 488
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Book Description
Author: National Petroleum Reserve in Alaska Task Force (U.S.)
Publisher:
ISBN:
Category : Human ecology
Languages : en
Pages : 350
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Book Description
