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: Value of habitat quality changes for salmon populations, South Thompson watershed, west coast of Canada (EM-177)
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EM Identity and Description
EM Identification (* Note that run information is shown only where run data differ from the "parent" entry shown at left)
EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
EM Short Name
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Salmon habitat values, west coast of Canada | * | * | * | * |
EM Full Name
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Value of habitat quality changes for salmon populations, South Thompson watershed, west coast of Canada | * | * | * | * |
EM Source or Collection
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None | * | * | * | * |
EM Source Document ID
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286 | * | * | * | * |
Document Author
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Knowler, D.J., MacGregor, B.W., Bradford, M.J., Peterman, R.M | * | * | * | * |
Document Year
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2003 | * | * | * | * |
Document Title
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Valuing freshwater salmon habitat on the west coast of Canada | * | * | * | * |
Document Status
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Peer reviewed and published | * | * | * | * |
Comments on Status
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Published journal manuscript | * | * | * | * |
Software and Access (* Note that run information is shown only where run data differ from the "parent" entry shown at left)
EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
Not applicable | * | * | * | * | |
Contact Name
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Duncan Knowler | * | * | * | * |
Contact Address
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School of Resource and Environmental Management, Simon Fraser University, Burnaby, Canada BC V5H 1S6 | * | * | * | * |
Contact Email
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djk@sfu.ca | * | * | * | * |
EM Description (* Note that run information is shown only where run data differ from the "parent" entry shown at left)
EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
Summary Description
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ABSTRACT: "In this paper, we present a framework for valuing benefits for fisheries from protecting areas from degradation, using the example of the Strait of Georgia coho salmon fishery in southern British Columbia, Canada. Our study improves upon previous methods used to value fish habitat in two major respects. First, we use a bioeconomic model of the coho fishery to derive estimates of value that are consistent with economic theory. Second, we estimate the value of changing the quality of fish habitat by using empirical analyses to link fish population dynamics with indices of land use in surrounding watersheds." | ABSTRACT: "In this paper, we present a framework for valuing benefits for fisheries from protecting areas from degradation, using the example of the Strait of Georgia coho salmon fishery in southern British Columbia, Canada. Our study improves upon previous methods used to value fish habitat in two major respects. First, we use a bioeconomic model of the coho fishery to derive estimates of value that are consistent with economic theory. Second, we estimate the value of changing the quality of fish habitat by using empirical analyses to link fish population dynamics with indices of land use in surrounding watersheds." "Scenarios A through D reflect a weighted habitat quality factor for the entire Strait of Georgia Basin based on different habitat quality factors in the South Thompson River drainage Basin and the rest of the Strait of Georgia Basin." (268) | ABSTRACT: "In this paper, we present a framework for valuing benefits for fisheries from protecting areas from degradation, using the example of the Strait of Georgia coho salmon fishery in southern British Columbia, Canada. Our study improves upon previous methods used to value fish habitat in two major respects. First, we use a bioeconomic model of the coho fishery to derive estimates of value that are consistent with economic theory. Second, we estimate the value of changing the quality of fish habitat by using empirical analyses to link fish population dynamics with indices of land use in surrounding watersheds." "Scenarios A through D reflect a weighted habitat quality factor for the entire Strait of Georgia Basin based on different habitat quality factors in the South Thompson River drainage Basin and the rest of the Strait of Georgia Basin." (268) | ABSTRACT: "In this paper, we present a framework for valuing benefits for fisheries from protecting areas from degradation, using the example of the Strait of Georgia coho salmon fishery in southern British Columbia, Canada. Our study improves upon previous methods used to value fish habitat in two major respects. First, we use a bioeconomic model of the coho fishery to derive estimates of value that are consistent with economic theory. Second, we estimate the value of changing the quality of fish habitat by using empirical analyses to link fish population dynamics with indices of land use in surrounding watersheds." "Scenarios A through D reflect a weighted habitat quality factor for the entire Strait of Georgia Basin based on different habitat quality factors in the South Thompson River drainage Basin and the rest of the Strait of Georgia Basin." (268) | ABSTRACT: "In this paper, we present a framework for valuing benefits for fisheries from protecting areas from degradation, using the example of the Strait of Georgia coho salmon fishery in southern British Columbia, Canada. Our study improves upon previous methods used to value fish habitat in two major respects. First, we use a bioeconomic model of the coho fishery to derive estimates of value that are consistent with economic theory. Second, we estimate the value of changing the quality of fish habitat by using empirical analyses to link fish population dynamics with indices of land use in surrounding watersheds." "Scenarios A through D reflect a weighted habitat quality factor for the entire Strait of Georgia Basin based on different habitat quality factors in the South Thompson River drainage Basin and the rest of the Strait of Georgia Basin." (268) |
Specific Policy or Decision Context Cited
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None identified | * | * | * | * |
Biophysical Context
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No additional description provided | * | * | * | * |
EM Scenario Drivers
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Habitat quality | * | * | * | * |
EM Relationship to Other EMs or Applications
EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
Method Only, Application of Method or Model Run
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Method + Application (multiple runs exist) | Model Run Associated with a Specific EM Application | Model Run Associated with a Specific EM Application | Model Run Associated with a Specific EM Application | Model Run Associated with a Specific EM Application |
New or Pre-existing EM?
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New or revised model |
Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). ?Comment:Scenario A: S.Thompson sream habitat is partially degraded (Q=.47) and the rest of the Strait of Georgia Basin is pristine (Q=1) |
Scenario B ?Comment:Scenario B: Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson stream habitat was completely degraded Q_T= 0). |
Scenario D ?Comment:Before the simulation, the S.Thompson catchment was assumed pristine (Q_T= 1) while the greater Strait of Georgia Basin was assumed partially degraded (Q_G= .47). During the simulation the South Thompson streams habitat was completely degraded (Q_T= 0). |
Scenario C ?Comment:Scenario C: Before the simulation, the South Thompson catchment was assumed pristine (Q_T= 1) while the greater Strait of Georgia Basin was assumed partially degraded (Q_G= .47). During the simulation the South Thompson streams were partially degraded (Q_T= .47). |
Related EMs (for example, other versions or derivations of this EM) described in ESML
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EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
Document ID for related EM
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None | None | None | None | None |
EM ID for related EM
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EM-179 | EM-183 | EM-180 | EM-181 | EM-177 | EM-177 | EM-177 | EM-177 |
EM Modeling Approach
EM Relationship to Time (* Note that run information is shown only where run data differ from the "parent" entry shown at left)
EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
EM Temporal Extent
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1989-1999 | * | * | * | * |
EM Time Dependence
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time-stationary | * | * | * | * |
EM Time Reference (Future/Past)
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Not applicable | * | * | * | * |
EM Time Continuity
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Not applicable | * | * | * | * |
EM Temporal Grain Size Value
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Not applicable | * | * | * | * |
EM Temporal Grain Size Unit
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Not applicable | * | * | * | * |
EM spatial extent (* Note that run information is shown only where run data differ from the "parent" entry shown at left)
EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
Bounding Type
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Physiographic or ecological | * | * | * | * |
Spatial Extent Name
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South Thompson watershed | * | * | * | * |
Spatial Extent Area (Magnitude)
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1000-10,000 km^2. | * | * | * | * |
Spatial Distribution of Computations (* Note that run information is shown only where run data differ from the "parent" entry shown at left)
EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
EM Spatial Distribution
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spatially lumped (in all cases) | * | * | * | * |
Spatial Grain Type
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Not applicable | * | * | * | * |
Spatial Grain Size
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Not applicable | * | * | * | * |
EM Structure and Computation Approach (* Note that run information is shown only where run data differ from the "parent" entry shown at left)
EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
EM Computational Approach
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Analytic | * | * | * | * |
EM Determinism
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deterministic | * | * | * | * |
Statistical Estimation of EM
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* | * | * | * |
Model Checking Procedures Used (* Note that run information is shown only where run data differ from the "parent" entry shown at left)
EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
Model Calibration Reported?
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Yes | * | * | * | * |
Model Goodness of Fit Reported?
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No | * | * | * | * |
Goodness of Fit (metric| value | unit)
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None | * | * | * | * |
Model Operational Validation Reported?
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No | * | * | * | * |
Model Uncertainty Analysis Reported?
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No | * | * | * | * |
Model Sensitivity Analysis Reported?
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Yes | * | * | * | * |
Model Sensitivity Analysis Include Interactions?
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No | * | * | * | * |
EM Locations, Environments, Ecology
Location of EM Application (* Note that run information is shown only where run data differ from the "parent" entry shown at left)
Terrestrial location (Classification hierarchy: Continent > Country > U.S. State [United States only])
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
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Marine location (Classification hierarchy: Realm > Region > Province > Ecoregion)
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
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Centroid Lat/Long (Decimal Degree)
EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
Centroid Latitude
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49.29 | * | * | * | * |
Centroid Longitude
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-123.8 | * | * | * | * |
Centroid Datum
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WGS84 | * | * | * | * |
Centroid Coordinates Status
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Estimated | * | * | * | * |
Environments and Scales Modeled (* Note that run information is shown only where run data differ from the "parent" entry shown at left)
EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
EM Environmental Sub-Class
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Rivers and Streams | Near Coastal Marine and Estuarine | * | * | Rivers and Streams | Rivers and Streams |
Specific Environment Type
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Rivers and streams | * | * | * | * |
EM Ecological Scale
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Ecological scale corresponds to the Environmental Sub-class | * | * | * | * |
Organisms modeled (* Note that run information is shown only where run data differ from the "parent" entry shown at left)
Scale of differentiation of organisms modeled
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EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
EM Organismal Scale
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Other (Comment) ?Comment:Coho salmon stock |
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Taxonomic level and name of organisms or groups identified
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
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EnviroAtlas URL
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
The National Hydrography Dataset (NHD), GAP Ecological Systems, Ecosystem Markets: Imperiled Species and Habitats, Big game hunting recreation demand | None Available | None Available | None Available | None Available |
EM Ecosystem Goods and Services (EGS) potentially modeled, by classification system
* Note that run information is shown only where run data differ from the "parent" entry shown at left
CICES v 4.3 - Common International Classification of Ecosystem Services (Section > Division > Group > Class)
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
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(Environmental Subclass > Ecological End-Product (EEP) > EEP Subclass > EEP Modifier)
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
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EM Variable Names (and Units)
* Note that for runs, variable name is displayed only where data for that variable differed by run AND those differences were reported in the source document. Where differences occurred but were not reported, the variable is not listed. Click on variable name to view details.
Predictor
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Intermediate
EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
Intermediate (Computed) Variables (and Units)
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Response
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EM ID
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EM-177 | Before the simulation, both the South Thompson catchment and the greater Strait of Georgia Basin were assumed pristine (Q_T and Q_G= 1). During the simulation the South Thompson streams were partially degraded (Q_T= .47). | Scenario B | Scenario D | Scenario C |
Observed Response Variables (and Units)
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None | * | * | * | * |
Computed Response Variables (and Units)
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