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EM: Value of habitat quality changes for salmon populations, South Thompson watershed, west coast of Canada (EM-183)
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Expand AllEM Identity and Description
EM Identification
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EM ID
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EM-183 |
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EM Short Name
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Salmon habitat values, west coast of Canada |
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EM Full Name
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Value of habitat quality changes for salmon populations, South Thompson watershed, west coast of Canada |
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EM Source or Collection
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None |
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EM Source Document ID
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286 |
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Document Author
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Knowler, D.J., MacGregor, B.W., Bradford, M.J., Peterman, R.M |
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Document Year
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2003 |
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Document Title
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Valuing freshwater salmon habitat on the west coast of Canada |
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Document Status
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Peer reviewed and published |
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Comments on Status
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Published journal manuscript |
Software and Access
| Not applicable | |
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Contact Name
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Duncan Knowler |
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Contact Address
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School of Resource and Environmental Management, Simon Fraser University, Burnaby, Canada BC V5H 1S6 |
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Contact Email
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djk@sfu.ca |
EM Description
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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." "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) |
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Specific Policy or Decision Context Cited
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None identified |
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Biophysical Context
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No additional description provided |
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EM Scenario Drivers
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Habitat quality |
EM Relationship to Other EMs or Applications
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Method Only, Application of Method or Model Run
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Model Run Associated with a Specific EM Application |
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New or Pre-existing EM?
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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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Document ID for related EM
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Doc-286 |
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EM ID for related EM
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EM-177 |
EM Modeling Approach
EM Relationship to Time
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EM Temporal Extent
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1989-1999 |
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EM Time Dependence
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time-stationary |
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EM Time Reference (Future/Past)
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Not applicable |
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EM Time Continuity
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Not applicable |
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EM Temporal Grain Size Value
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Not applicable |
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EM Temporal Grain Size Unit
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Not applicable |
EM Spatial Extent
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Bounding Type
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Physiographic or ecological |
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Spatial Extent Name
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South Thompson watershed |
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Spatial Extent Area (Magnitude)
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1000-10,000 km^2. |
Spatial Distribution of Computations
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EM Spatial Distribution
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spatially lumped (in all cases) |
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Spatial Grain Type
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Not applicable |
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Spatial Grain Size
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Not applicable |
EM Structure and Computation Approach
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EM Computational Approach
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Analytic |
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EM Determinism
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deterministic |
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Statistical Estimation of EM
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Model Checking Procedures Used
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Model Calibration Reported?
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Yes |
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Model Goodness of Fit Reported?
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No |
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Goodness of Fit (metric| value | unit)
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None |
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Model Operational Validation Reported?
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No |
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Model Uncertainty Analysis Reported?
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No |
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Model Sensitivity Analysis Reported?
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Yes |
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Model Sensitivity Analysis Include Interactions?
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No |
EM Locations, Environments, Ecology
Location of EM Application
Terrestrial location (Classification hierarchy: Continent > Country > U.S. State [United States only])
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Marine location (Classification hierarchy: Realm > Region > Province > Ecoregion)
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Centroid Lat/Long (Decimal Degree)
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Centroid Latitude
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49.29 |
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Centroid Longitude
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-123.8 |
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Centroid Datum
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WGS84 |
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Centroid Coordinates Status
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Estimated |
Environments and Scales Modeled
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EM Environmental Sub-Class
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Rivers and Streams |
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Specific Environment Type
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Rivers and streams |
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EM Ecological Scale
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Ecological scale corresponds to the Environmental Sub-class |
Scale and taxa of organisms modeled
Scale of differentiation of organisms modeled
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EM Organismal Scale
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Other (Comment) |
Taxonomic level and name of organisms or groups identified
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EnviroAtlas URL
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| None Available |
EM Ecosystem Goods and Services (EGS) potentially modeled, by classification system
CICES v 4.3 - Common International Classification of Ecosystem Services (Section > Division > Group > Class)
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(Environmental Subclass > Ecological End-Product (EEP) > EEP Subclass > EEP Modifier)
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EM Variable Names (and Units)
Predictor
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Intermediate
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Intermediate (Computed) Variables (and Units)
view details (2 variables)
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Response
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Observed Response Variables (and Units)
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* |
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Computed Response Variables (and Units)
view details (1 variable)
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