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Variables Details
: (EM-71)
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EM Identity and Description
| EM-71 | |
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Document Author
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Lavorel, S., Grigulis, K., Lamarque, P., Colace, M-P, Garden, D., Girel, J., Pellet, G., and Douzet, R. |
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Document Year
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2011 |
Variable General Info
| Combination of legacy and current land use | Coefficient on combination of legacy and current land use for community-weighted mean date of flowering onset | Community-weighted mean flowering date (modeled) | Community-weighted mean flowering date (observed) | |
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Variable ID
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941 | 3261 | 939 | 943 |
| LUT | Not reported | CWM_Flo | CWM_Flo | |
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Qualitative-Quantitative
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Qualitative (Class, Rating or Ranking) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) |
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Cardinal-Ordinal
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Non-Ordinal | Cardinal | Cardinal | Cardinal |
| Not applicable | unitless | Julian Day | Julian Day |
Variable Typology
| Combination of legacy and current land use | Coefficient on combination of legacy and current land use for community-weighted mean date of flowering onset | Community-weighted mean flowering date (modeled) | Community-weighted mean flowering date (observed) | |
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Predictor-Intermediate-Response
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Predictor |
Predictor |
Response |
Response |
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Predictor Variable Type
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Time- or Space-varying Variable |
Constant or Parameter | Not applicable | Not applicable |
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Response Variable Type
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Not applicable | Not applicable |
Computed Variable |
Observed Variable |
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Data Source/Type
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Map or database (e.g., wide coverage, wide availability, measured or modeled) | Statistically estimated (use for statistically estimated EMs only) | Not applicable | Local Field/Lab Data (e.g., particular to the EM study) |
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Variable Classification Hierarchy
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2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
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--Land use/land cover type or dominant habitat type |
--Land use/land cover type or dominant habitat type |
--Biological characteristics, processes or requirements of living ecosystem components |
--Biological characteristics, processes or requirements of living ecosystem components |
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----Other, multiple, unspecified or unclear |
----Other, multiple, unspecified or unclear |
----Biological characteristics, processes or requirements of flora and fungi |
----Biological characteristics, processes or requirements of flora and fungi |
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------Herbaceous plants (grasses, forbs) |
------Herbaceous plants (grasses, forbs) |
Variable Spatial Characteristics
| Combination of legacy and current land use | Coefficient on combination of legacy and current land use for community-weighted mean date of flowering onset | Community-weighted mean flowering date (modeled) | Community-weighted mean flowering date (observed) | |
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Spatial Extent Area
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10-100 km^2 | Not recorded for Constant or Factor Variables | 10-100 km^2 | 10-100 km^2 |
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Spatially Distributed?
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Yes | Not recorded for Constant or Factor Variables | Yes | Yes |
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Observations Spatially Patterned?
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Yes | Not recorded for Constant or Factor Variables | Yes | No |
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Spatial Grain Type
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area, for pixel or radial feature | Not recorded for Constant or Factor Variables | area, for pixel or radial feature | Not applicable |
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Spatial Grain Size
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20 m x 20 m | Not recorded for Constant or Factor Variables | 20 m x 20 m | Not applicable |
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Spatial Density
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Not applicable | Not recorded for Constant or Factor Variables | Not applicable | 39 variable observations across 13 km^2 |
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EnviroAtlas URL
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Variable Temporal Characteristics
| Combination of legacy and current land use | Coefficient on combination of legacy and current land use for community-weighted mean date of flowering onset | Community-weighted mean flowering date (modeled) | Community-weighted mean flowering date (observed) | |
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Temporal Extent
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1810-2010 | Not recorded for Constant or Factor Variables | 2007-2008 | 2007-2008 |
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Temporally Distributed?
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No | Not recorded for Constant or Factor Variables | No | Yes |
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Regular Temporal Grain?
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Not applicable | Not recorded for Constant or Factor Variables | Not applicable | Yes |
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Temporal Grain Size Value
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Not applicable | Not recorded for Constant or Factor Variables | Not applicable | 1 |
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Temporal Grain Size Units
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Not applicable | Not recorded for Constant or Factor Variables | Not applicable | Year |
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Temporal Density
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Not applicable | Not recorded for Constant or Factor Variables | Not applicable | Not applicable |
Variable Values
| Combination of legacy and current land use | Coefficient on combination of legacy and current land use for community-weighted mean date of flowering onset | Community-weighted mean flowering date (modeled) | Community-weighted mean flowering date (observed) | |
Not applicable ?Comment:Author's Note: "We analysed eight trajectories, referred to as ‘land use’ henceforth, three on previously cultivated terraces [currently fertilized and mown (LU1), mown (LU2), or unmown and grazed in spring and autumn (LU3)], three on never cultivated permanent grasslands with a multi-century history of mowing [currently mown (LU4), unmown and summer-grazed (LU5), and neither mown nor grazed (LU6) ‘Festuca grasslands’ – dominated by the large perennial grass Festuca paniculata], one on never mown summer grasslands (>2000 m) (LU7) and one on steep (>30 degrees) grazed slopes (LU8)." |
Not reported | Julian Day | Not reported | |
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Min Value
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Not applicable | Not reported | 0 | Not reported |
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Max Value
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Not applicable | Not reported | 81 | Not reported |
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Other Value Type
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Not applicable | Not applicable | Not applicable | Not applicable |
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Other Value
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Not applicable | Not reported | Not reported | Not reported |
Variable Variability and Sensitivity
| Combination of legacy and current land use | Coefficient on combination of legacy and current land use for community-weighted mean date of flowering onset | Community-weighted mean flowering date (modeled) | Community-weighted mean flowering date (observed) | |
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Variability Expression Given?
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No | Not recorded for Constant or Factor Variables | No | No |
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Variability Metric
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None | None | None | None |
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Variability Value
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None | None | None | None |
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Variability Units
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None | None | None | None |
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Resampling Used?
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Not applicable | Not recorded for Constant or Factor Variables | Not applicable | Not applicable |
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Variability Expression Used in Modeling?
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Not applicable | Not recorded for Constant or Factor Variables | Not applicable | Not applicable |
Variable Operational Validation (Response Variables only)
| Community-weighted mean flowering date (modeled) | Community-weighted mean flowering date (observed) | ||
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Variable ID
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939 | 943 | |
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Validated?
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Not applicable | Not applicable | |
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Validation Approach (within, between, etc.)
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None | None | |
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Validation Quality (Qual/Quant)
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None | None | |
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Validation Method (Stat/Deviance)
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None | None | |
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Validation Metric
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None | None | |
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Validation Value
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None | None | |
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Validation Units
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None | None | |
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Use of Measured Response Data
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None |
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