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: (EM-661)
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EM-661: Nutrient loading by anadromous alewife (Alosa pseudoharengus): contemporary patterns and predictions for restoration efforts
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EM Identity and Description
| EM-661 | |
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Document Author
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West, D. C., A. W. Walters, S. Gephard, and D. M. Post |
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Document Year
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2010 |
Variable General Info
Initial young of year alewife biomass density ?Comment:To translate the biomass from the mesocosm experiment to biomass in Bride Lake, the value was matched to the biomass density of YOY alewives observed in midsummer in Bride Lake for 2004 and 2005. |
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Variable ID
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15667 |
| a | |
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Qualitative-Quantitative
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Quantitative (Cardinal Only) |
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Cardinal-Ordinal
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Cardinal |
| g m^-2 |
Variable Typology
Initial young of year alewife biomass density ?Comment:To translate the biomass from the mesocosm experiment to biomass in Bride Lake, the value was matched to the biomass density of YOY alewives observed in midsummer in Bride Lake for 2004 and 2005. |
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Predictor-Intermediate-Response
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Predictor |
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Predictor Variable Type
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Constant or Parameter |
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Response Variable Type
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Not applicable |
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Data Source/Type
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Local field/Lab data (e.g., particular to the EM study) |
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Variable Classification Hierarchy
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5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
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--Biological characteristics, processes or requirements of living ecosystem components |
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----Biological characteristics, processes or requirements of fauna |
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------Fish |
Variable Spatial Characteristics
Initial young of year alewife biomass density ?Comment:To translate the biomass from the mesocosm experiment to biomass in Bride Lake, the value was matched to the biomass density of YOY alewives observed in midsummer in Bride Lake for 2004 and 2005. |
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Spatial Extent Area
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Not recorded for Constant or Parameter Variables |
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Spatially Distributed?
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Not recorded for Constant or Parameter Variables |
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Observations Spatially Patterned?
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Not recorded for Constant or Parameter Variables |
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Spatial Grain Type
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Not recorded for Constant or Paarameter Variables |
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Spatial Grain Size
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Not recorded for Constant or Parameter Variables |
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Spatial Density
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Not recorded for Constant or Parameter Variables |
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EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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Variable Temporal Characteristics
Initial young of year alewife biomass density ?Comment:To translate the biomass from the mesocosm experiment to biomass in Bride Lake, the value was matched to the biomass density of YOY alewives observed in midsummer in Bride Lake for 2004 and 2005. |
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Temporal Extent
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Not recorded for Constant or Parameter Variables |
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Temporally Distributed?
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Not recorded for Constant or Parameter Variables |
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Regular Temporal Grain?
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Not recorded for Constant or Parameter Variables |
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Temporal Grain Size Value
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Not recorded for Constant or Parameter Variables |
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Temporal Grain Size Units
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Not recorded for Constant or Parameter Variables |
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Temporal Density
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Not recorded for Constant or Parameter Variables |
Variable Values
Initial young of year alewife biomass density ?Comment:To translate the biomass from the mesocosm experiment to biomass in Bride Lake, the value was matched to the biomass density of YOY alewives observed in midsummer in Bride Lake for 2004 and 2005. |
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| Not reported | |
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Min Value
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Not reported |
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Max Value
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Not reported |
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Other Value Type
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Single Observation or Parameter Value |
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Other Value
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1.60 |
Variable Variability and Sensitivity
Initial young of year alewife biomass density ?Comment:To translate the biomass from the mesocosm experiment to biomass in Bride Lake, the value was matched to the biomass density of YOY alewives observed in midsummer in Bride Lake for 2004 and 2005. |
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Variability Expression Given?
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Not recorded for Constant or Parameter Variables |
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Variability Metric
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None |
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Variability Value
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None |
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Variability Units
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None |
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Resampling Used?
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Not recorded for Constant or Parameter Variables |
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Variability Expression Used in Modeling?
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Not recorded for Constant or Parameter Variables |
Variable Operational Validation (Response Variables only)
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Variable ID
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Validated?
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Validation Approach (within, between, etc.)
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Validation Quality (Qual/Quant)
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Validation Method (Stat/Deviance)
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Validation Metric
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Validation Value
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Validation Units
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Use of Measured Response Data
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