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EM: Value of Habitat for Shrimp, Campeche, Mexico (EM-106)
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EM Identity and Description
EM Identification
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EM ID
em.detail.idHelp
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EM-106 |
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EM Short Name
em.detail.shortNameHelp
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Value of Habitat for Shrimp, Campeche, Mexico |
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EM Full Name
em.detail.fullNameHelp
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Value of Habitat for Shrimp, Campeche, Mexico |
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EM Source or Collection
em.detail.emSourceOrCollectionHelp
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None |
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EM Source Document ID
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227 |
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Document Author
em.detail.documentAuthorHelp
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Barbier, E. B., and Strand, I. |
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Document Year
em.detail.documentYearHelp
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1998 |
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Document Title
em.detail.sourceIdHelp
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Valuing mangrove-fishery linkages: A case study of Campeche, Mexico |
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Document Status
em.detail.statusCategoryHelp
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Peer reviewed and published |
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Comments on Status
em.detail.commentsOnStatusHelp
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Published journal manuscript |
Software and Access
| Not applicable | |
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Contact Name
em.detail.contactNameHelp
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E.B. Barbier |
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Contact Address
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Environment Department, University of York, York YO1 5DD, UK |
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Contact Email
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Not reported |
EM Description
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Summary Description
em.detail.summaryDescriptionHelp
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AUTHOR'S DESCRIPTION: "We assume throughout that shrimp harvesting occurs through open access management that yields production which is exported internationally, and we modify a standard open access fishery model to account explicitly for the effect of the mangrove area on carrying capacity and thus production.We derive the conditions determining the long-run equilibrium of the model, including the comparative static effects of a change in mangrove area, on this equilibrium. Through regressing a relationship between shrimp harvest, effort and mangrove area over time, we estimate parameters based on the combinations of the bioeconomic parameters of the model determining the comparative statics. By incorporating additional economic data, we are able to simulate an estimate of the effect of changes in mangrove area in Laguna de Terminos on the production and value of shrimp harvests in Campeche state." (153) |
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Specific Policy or Decision Context Cited
em.detail.policyDecisionContextHelp
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None identified |
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Biophysical Context
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Gulf of Mexico; mangrove-lagoon system |
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EM Scenario Drivers
em.detail.scenarioDriverHelp
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No scenarios presented |
EM Relationship to Other EMs or Applications
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Method Only, Application of Method or Model Run
em.detail.methodOrAppHelp
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Method + Application |
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New or Pre-existing EM?
em.detail.newOrExistHelp
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New or revised model |
Related EMs (for example, other versions or derivations of this EM) described in ESML
em.detail.relatedEmHelp
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Document ID for related EM
em.detail.relatedEmDocumentIdHelp
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None |
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EM ID for related EM
em.detail.relatedEmEmIdHelp
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EM-185 | EM-319 |
EM Modeling Approach
EM Relationship to Time
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EM Temporal Extent
em.detail.tempExtentHelp
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1980-1990 |
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EM Time Dependence
em.detail.timeDependencyHelp
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time-stationary |
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EM Time Reference (Future/Past)
em.detail.futurePastHelp
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Not applicable |
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EM Time Continuity
em.detail.continueDiscreteHelp
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Not applicable |
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EM Temporal Grain Size Value
em.detail.tempGrainSizeHelp
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Not applicable |
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EM Temporal Grain Size Unit
em.detail.tempGrainSizeUnitHelp
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Year |
EM Spatial Extent
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Bounding Type
em.detail.boundingTypeHelp
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Physiographic or Ecological |
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Spatial Extent Name
em.detail.extentNameHelp
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Laguna de Terminos Mangrove system |
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Spatial Extent Area (Magnitude)
em.detail.extentAreaHelp
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100-1000 km^2 |
Spatial Distribution of Computations
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EM Spatial Distribution
em.detail.distributeLumpHelp
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spatially distributed (in at least some cases) |
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Spatial Grain Type
em.detail.spGrainTypeHelp
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area, for pixel or radial feature |
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Spatial Grain Size
em.detail.spGrainSizeHelp
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1 km x 1 km |
EM Structure and Computation Approach
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EM Computational Approach
em.detail.emComputationalApproachHelp
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Analytic |
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EM Determinism
em.detail.deterStochHelp
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deterministic |
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Statistical Estimation of EM
em.detail.statisticalEstimationHelp
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Model Checking Procedures Used
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Model Calibration Reported?
em.detail.calibrationHelp
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Yes |
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Model Goodness of Fit Reported?
em.detail.goodnessFitHelp
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Yes |
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Goodness of Fit (metric| value | unit)
em.detail.goodnessFitValuesHelp
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Model Operational Validation Reported?
em.detail.validationHelp
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No |
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Model Uncertainty Analysis Reported?
em.detail.uncertaintyAnalysisHelp
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Yes |
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Model Sensitivity Analysis Reported?
em.detail.sensAnalysisHelp
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Yes |
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Model Sensitivity Analysis Include Interactions?
em.detail.interactionConsiderHelp
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Unclear |
EM Locations, Environments, Ecology
Location of EM Application
Terrestrial location (Classification hierarchy: Continent > Country > U.S. State [United States only])
em.detail.relationToSpaceTerrestrialHelp
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Marine location (Classification hierarchy: Realm > Region > Province > Ecoregion)
em.detail.relationToSpaceMarineHelp
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Centroid Lat/Long (Decimal Degree)
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Centroid Latitude
em.detail.ddLatHelp
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18.61 |
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Centroid Longitude
em.detail.ddLongHelp
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-91.55 |
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Centroid Datum
em.detail.datumHelp
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WGS84 |
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Centroid Coordinates Status
em.detail.coordinateStatusHelp
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Estimated |
Environments and Scales Modeled
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EM Environmental Sub-Class
em.detail.emEnvironmentalSubclassHelp
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Near Coastal Marine and Estuarine |
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Specific Environment Type
em.detail.specificEnvTypeHelp
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Mangrove |
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EM Ecological Scale
em.detail.ecoScaleHelp
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Ecological scale is finer than that of the Environmental Sub-class |
Scale and taxa of organisms modeled
Scale of differentiation of organisms modeled
em.detail.nameOfOrgsOrGroupsHelp
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EM Organismal Scale
em.detail.orgScaleHelp
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Guild or Assemblage |
Taxonomic level and name of organisms or groups identified
taxonomyHelp
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EnviroAtlas URL
em.detail.enviroAtlasURLHelp
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| GAP Ecological Systems, Big game hunting recreation demand |
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)
em.detail.cicesHelp
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(Environmental Subclass > Ecological End-Product (EEP) > EEP Subclass > EEP Modifier)
fegs2Help
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EM Variable Names (and Units)
Predictor
em.detail.variablesPredictorHelp
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Driving Variables (and Units)
view details (2 variables)
em.detail.drivingVariableHelp
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Constant or Factor Variables (and Units)
view details (2 variables)
em.detail.constantFactorVariableHelp
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Intermediate
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Intermediate (Computed) Variables (and Units)
em.detail.intermediateVariableHelp
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None |
Response
em.detail.variablesResponseHelp
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Observed Response Variables (and Units)
view details (1 variable)
em.detail.observedResponseHelp
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Computed Response Variables (and Units)
em.detail.computedResponseHelp
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None |