EcoService Models Library (ESML)
Home
Search EMs
My
EMs 
Learn about
ESML
View ESML Data Maploading
Variables Details
: (EM-672)
Back
Selected
EM-672: Anadromous alewives (Alosa pseudoharengus) contribute marine-derived nutrients to coastal stream food webs
Collapse All
Expand All
- Export Data to Spreadsheet (Free Viewers)
- View Variable Relationship Diagram (PDF)(1 pp, 80 KB, About PDF)
EM Identity and Description
| EM-672 | |
|
Document Author
variable.detail.emDocumentAuthorHelp
?
|
Walters, A. W., R. T. Barnes, and D. M. Post |
|
Document Year
variable.detail.emDocumentYearHelp
?
|
2009 |
Variable General Info
| Alewife numbers |
Alewife δ13C ?Comment:Data from fish collected in 2004 and 2005. |
Alewife δ15N ?Comment:Data from fish collected in 2004 and 2005. |
Periphyton and aquatic macroinvertebrate feeding groups ?Comment:Periphyton, collector-filterer, collector-gatherer, shredder, predator. |
|
|
Variable ID
variable.detail.varIdHelp
?
|
15843 | 15849 | 15848 | 15846 |
| Not reported | Not reported | Not reported | Not reported | |
|
Qualitative-Quantitative
variable.detail.continuousCategoricalHelp
?
|
Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Qualitative (Class, Rating or Ranking) |
|
Cardinal-Ordinal
variable.detail.cardinalOrdinalHelp
?
|
Cardinal | Cardinal | Cardinal | Non-Ordinal |
| ind. | unitless | unitless | Not applicable |
Variable Typology
| Alewife numbers |
Alewife δ13C ?Comment:Data from fish collected in 2004 and 2005. |
Alewife δ15N ?Comment:Data from fish collected in 2004 and 2005. |
Periphyton and aquatic macroinvertebrate feeding groups ?Comment:Periphyton, collector-filterer, collector-gatherer, shredder, predator. |
|
|
Predictor-Intermediate-Response
variable.detail.displayVariableTypeHelp
?
|
Predictor |
Predictor |
Predictor |
Predictor |
|
Predictor Variable Type
variable.detail.displayPredictorVariableTypeHelp
?
|
Constant or Parameter | Constant or Parameter | Constant or Parameter | Constant or Parameter |
|
Response Variable Type
variable.detail.resClassHelp
?
|
Not applicable | Not applicable | Not applicable | Not applicable |
|
Data Source/Type
variable.detail.dataTypeHelp
?
|
Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) | Local field/Lab data (e.g., particular to the EM study) |
|
Variable Classification Hierarchy
variable.detail.vchLevel1Help
?
|
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
|
--Biological characteristics, processes or requirements of living ecosystem components |
--Chemical (C, N, P, sediment/particulate) characteristics of ecosystem components |
--Chemical (C, N, P, sediment/particulate) characteristics of ecosystem components |
--Biological characteristics, processes or requirements of living ecosystem components |
|
|
----Biological characteristics, processes or requirements of fauna |
----Carbon-related characteristics of ecosystem components |
----Nitrogen-related characteristics of ecosystem components |
----Biological characteristics, processes or requirements of fauna |
|
|
------Fish |
------Carbon presence (in terrestrial or aquatic ecosystem components) |
------Other, multiple, unspecified or unclear |
------Benthic macroinvertebrates |
Variable Spatial Characteristics
| Alewife numbers |
Alewife δ13C ?Comment:Data from fish collected in 2004 and 2005. |
Alewife δ15N ?Comment:Data from fish collected in 2004 and 2005. |
Periphyton and aquatic macroinvertebrate feeding groups ?Comment:Periphyton, collector-filterer, collector-gatherer, shredder, predator. |
|
|
Spatial Extent Area
variable.detail.spExtentHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
|
Spatially Distributed?
variable.detail.spDistributedHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
|
Observations Spatially Patterned?
variable.detail.regularSpGrainHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
|
Spatial Grain Type
variable.detail.spGrainTypeHelp
?
|
Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables | Not recorded for Constant or Paarameter Variables |
|
Spatial Grain Size
variable.detail.spGrainSizeHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
|
Spatial Density
variable.detail.spDensityHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
|
EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
?
|
Variable Temporal Characteristics
| Alewife numbers |
Alewife δ13C ?Comment:Data from fish collected in 2004 and 2005. |
Alewife δ15N ?Comment:Data from fish collected in 2004 and 2005. |
Periphyton and aquatic macroinvertebrate feeding groups ?Comment:Periphyton, collector-filterer, collector-gatherer, shredder, predator. |
|
|
Temporal Extent
variable.detail.tempExtentHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
|
Temporally Distributed?
variable.detail.tempDistributedHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
|
Regular Temporal Grain?
variable.detail.regularTempGrainHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
|
Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
|
Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
|
Temporal Density
variable.detail.tempDensityHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
Variable Values
| Alewife numbers |
Alewife δ13C ?Comment:Data from fish collected in 2004 and 2005. |
Alewife δ15N ?Comment:Data from fish collected in 2004 and 2005. |
Periphyton and aquatic macroinvertebrate feeding groups ?Comment:Periphyton, collector-filterer, collector-gatherer, shredder, predator. |
|
| Not applicable |
Not reported ?Comment:+/- 0.4 (n=13) |
Not reported ?Comment:+/- 0.4 (n=13) |
Not applicable | |
|
Min Value
variable.detail.minEstHelp
?
|
Not applicable | Not reported | Not reported | Not applicable |
|
Max Value
variable.detail.estHelp
?
|
Not applicable | Not reported | Not reported | Not applicable |
|
Other Value Type
variable.detail.natureOtherEstHelp
?
|
Single Observation or Parameter Value | Mean | Mean | Not applicable |
|
Other Value
variable.detail.otherEstHelp
?
|
Value varies by run; view runs to see values | -18.5 | 13.3 | Not applicable |
Variable Variability and Sensitivity
| Alewife numbers |
Alewife δ13C ?Comment:Data from fish collected in 2004 and 2005. |
Alewife δ15N ?Comment:Data from fish collected in 2004 and 2005. |
Periphyton and aquatic macroinvertebrate feeding groups ?Comment:Periphyton, collector-filterer, collector-gatherer, shredder, predator. |
|
|
Variability Expression Given?
variable.detail.variabilityExpHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
|
Variability Metric
variable.detail.variabilityMetricHelp
?
|
None | None | None | None |
|
Variability Value
variable.detail.variabilityValueHelp
?
|
None | None | None | None |
|
Variability Units
|
None | None | None | None |
|
Resampling Used?
variable.detail.bootstrappingHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
|
Variability Expression Used in Modeling?
variable.detail.variabilityUsedHelp
?
|
Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables | Not recorded for Constant or Parameter Variables |
Variable Operational Validation (Response Variables only)
|
Variable ID
variable.detail.varIdHelp
?
|
|
Validated?
variable.detail.resValidatedHelp
?
|
|
Validation Approach (within, between, etc.)
variable.detail.validationApproachHelp
?
|
|
Validation Quality (Qual/Quant)
variable.detail.validationQualityHelp
?
|
|
Validation Method (Stat/Deviance)
variable.detail.validationMethodHelp
?
|
|
Validation Metric
variable.detail.validationMetricHelp
?
|
|
Validation Value
variable.detail.validationValHelp
?
|
|
Validation Units
|
|
Use of Measured Response Data
variable.detail.measuredResponseDataHelp
?
|