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EM: Blue crabs and submerged aquatic vegetation interaction, Chesapeake Bay, USA (EM-185)
Collapse All
Expand AllEM Identity and Description
EM Identification
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EM ID
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EM-185 |
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EM Short Name
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Blue crabs and SAV, Chesapeake Bay, USA |
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EM Full Name
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Blue crabs and submerged aquatic vegetation interaction, Chesapeake Bay, USA |
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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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292 ?Comment:Conference paper |
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Document Author
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Mykoniatis, N. and Ready, R. |
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Document Year
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2013 |
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Document Title
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Evaluating habitat-fishery interactions: The case of submerged aquatic vegetation and blue crab fishery in the Chesapeake Bay |
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Document Status
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Not formally documented |
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Comments on Status
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Conference proceedings |
Software and Access
| Not applicable | |
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Contact Name
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Nikolaos Mykoniatis |
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Contact Address
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Department of Agricultural Economics, Sociology and Education The Pennsylvania State University |
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Contact Email
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Not reported |
EM Description
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Summary Description
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ABSTRACT: "This paper investigates habitat-fisheries interaction between two important resources in the Chesapeake Bay: blue crabs and Submerged Aquatic Vegetation (SAV). A habitat can be essential to a species (the species is driven to extinction without it), facultative (more habitat means more of the species, but species can exist at some level without any of the habitat) or irrelevant (more habitat is not associated with more of the species). An empirical bioeconomic model that nests the essential-habitat model into its facultative-habitat counterpart is estimated. Two alternative approaches are used to test whether SAV matters for the crab stock. Our results indicate that, if we do not have perfect information on habitat-fisheries linkages, the right approach would be to run the more general facultative-habitat model instead of the essential- habitat one." |
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Specific Policy or Decision Context Cited
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Not applicable |
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Biophysical Context
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Submerged Aquatic Vegetation (SAV), eelgrass |
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EM Scenario Drivers
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Essential or Facultative habitat |
EM Relationship to Other EMs or Applications
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Method Only, Application of Method or Model Run
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Method + Application |
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New or Pre-existing EM?
em.detail.newOrExistHelp
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Application of existing 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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Doc-227 |
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EM ID for related EM
em.detail.relatedEmEmIdHelp
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EM-106 |
EM Modeling Approach
EM Relationship to Time
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EM Temporal Extent
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1993-2011 |
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EM Time Dependence
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time-dependent |
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EM Time Reference (Future/Past)
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past time |
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EM Time Continuity
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discrete |
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EM Temporal Grain Size Value
em.detail.tempGrainSizeHelp
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1 |
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EM Temporal Grain Size Unit
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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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Chesapeake Bay |
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Spatial Extent Area (Magnitude)
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10,000-100,000 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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Yes |
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Goodness of Fit (metric| value | unit)
em.detail.goodnessFitValuesHelp
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None |
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Model Operational Validation Reported?
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Yes |
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Model Uncertainty Analysis Reported?
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Yes |
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Model Sensitivity Analysis Reported?
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Yes |
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Model Sensitivity Analysis Include Interactions?
em.detail.interactionConsiderHelp
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Yes |
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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36.99 |
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Centroid Longitude
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-75.95 |
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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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None |
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Specific Environment Type
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Yes |
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EM Ecological Scale
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Yes |
Scale and taxa of organisms modeled
Scale of differentiation of organisms modeled
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EM Organismal Scale
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Yes |
Taxonomic level and name of organisms or groups identified
taxonomyHelp
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| None Available |
EnviroAtlas URL
em.detail.enviroAtlasURLHelp
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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)
em.detail.cicesHelp
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| None |
(Environmental Subclass > Ecological End-Product (EEP) > EEP Subclass > EEP Modifier)
fegs2Help
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| None |
EM Variable Names (and Units)
Predictor
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Driving Variables (and Units)
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None |
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Constant or Factor Variables (and Units)
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None |
Intermediate
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Intermediate (Computed) Variables (and Units)
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None |
Response
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Observed Response Variables (and Units)
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None |
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Computed Response Variables (and Units)
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None |