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UBC Theses and Dissertations
Old-growth forests for wilderness preservation and timber production in British Columbia: a goal programming model Wang, Sen
Abstract
The B.C. government’s Protected Areas Strategy (PAS), aimed at protecting 12 per cent of the province’s land base, will affect the old-growth forests considerably. Based on the Valhalla proposal, at least 0.65 million hectares of old growth will need to be set aside as wilderness. Given the nature of multiple uses of the old growth, a Goal Programming approach is appropriate for the assessment of the preservation plan. For model construction, six goal items have been identified: the net benefits from old-growth stands, wilderness expansion, direct forest employment, government stumpage revenue, sustained yield, and current timber harvesting. Targets have been determined for each. On the basis of the results from a survey, goals are ranked in terms of priority, and their achievement is attempted in a sequential order to seek minimal deviations from the specified levels. The Goal Programming model indicates that old-growth preservation on the scale of the Valhalla proposal will cause reduction in the province’s level of direct forest employment, and the magnitude of the adverse effects is variable, depending on the intensity of the goal constraints concerned. The goals of net benefits and Crown revenue from stumpage charges do not appear to be vulnerable, but the conflicts between the preservation plan and the goals of long run sustained yield and current timber harvest are serious.
Item Metadata
Title |
Old-growth forests for wilderness preservation and timber production in British Columbia: a goal programming model
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Creator | |
Publisher |
University of British Columbia
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Date Issued |
1994
|
Description |
The B.C. government’s Protected Areas Strategy (PAS), aimed at protecting
12 per cent of the province’s land base, will affect the old-growth forests
considerably. Based on the Valhalla proposal, at least 0.65 million hectares of old
growth will need to be set aside as wilderness.
Given the nature of multiple uses of the old growth, a Goal Programming
approach is appropriate for the assessment of the preservation plan. For model
construction, six goal items have been identified: the net benefits from old-growth
stands, wilderness expansion, direct forest employment, government stumpage
revenue, sustained yield, and current timber harvesting. Targets have been
determined for each. On the basis of the results from a survey, goals are ranked
in terms of priority, and their achievement is attempted in a sequential order to
seek minimal deviations from the specified levels.
The Goal Programming model indicates that old-growth preservation on the
scale of the Valhalla proposal will cause reduction in the province’s level of direct
forest employment, and the magnitude of the adverse effects is variable,
depending on the intensity of the goal constraints concerned. The goals of net
benefits and Crown revenue from stumpage charges do not appear to be
vulnerable, but the conflicts between the preservation plan and the goals of long
run sustained yield and current timber harvest are serious.
|
Extent |
1937216 bytes
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Genre | |
Type | |
File Format |
application/pdf
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Language |
eng
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Date Available |
2009-02-23
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Provider |
Vancouver : University of British Columbia Library
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Rights |
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.
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DOI |
10.14288/1.0075155
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URI | |
Degree | |
Program | |
Affiliation | |
Degree Grantor |
University of British Columbia
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Graduation Date |
1994-05
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Campus | |
Scholarly Level |
Graduate
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Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use.