Entity_Type:
Entity_Type_Label: sitecovs
Entity_Type_Definition: Data for site covariates.
Entity_Type_Definition_Source: Author defined.
Attribute:
Attribute_Label: ecoregion
Attribute_Definition:
Ecoregion defined by Nowacki et al. (2001) for each survey point.
Attribute_Definition_Source:
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: AP
Enumerated_Domain_Value_Definition: Alaska Peninsula
Enumerated_Domain_Value_Definition_Source: Author defined.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: BBL
Enumerated_Domain_Value_Definition: Bristol Bay Lowlands, Alaska
Enumerated_Domain_Value_Definition_Source: Author defined.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: AR
Enumerated_Domain_Value_Definition: Alaska Range, Alaska
Enumerated_Domain_Value_Definition_Source: Author defined.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: LH
Enumerated_Domain_Value_Definition: Lime Hills, Alaska
Enumerated_Domain_Value_Definition_Source: Author defined.
Attribute:
Attribute_Label: park
Attribute_Definition: Park ID of survey point.
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: ANIA
Enumerated_Domain_Value_Definition: Aniakchak National Monument and Preserve
Enumerated_Domain_Value_Definition_Source: Author defined.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: KATM
Enumerated_Domain_Value_Definition: Katmai National Park and Preserve
Enumerated_Domain_Value_Definition_Source: Author defined.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: LACL
Enumerated_Domain_Value_Definition: Lake Clark National Park and Preserve
Enumerated_Domain_Value_Definition_Source: Author defined.
Attribute:
Attribute_Label: year
Attribute_Definition: Year of survey.
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2004
Range_Domain_Maximum: 2008
Attribute_Units_of_Measure: Year
Attribute:
Attribute_Label: latitude
Attribute_Definition:
Latitude of survey point in decimal degrees, projected in WGS84.
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 56.68013421
Range_Domain_Maximum: 61.48192369
Attribute_Units_of_Measure: Degrees latitude
Attribute:
Attribute_Label: longitude
Attribute_Definition:
Longitude of survey point in decimal degrees, projected in WGS84.
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: -158.218573
Range_Domain_Maximum: -152.535417
Attribute_Units_of_Measure: Degrees longitude
Attribute:
Attribute_Label: plot
Attribute_Definition: Plot ID for each survey point.
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 13200
Range_Domain_Maximum: 24232
Attribute_Units_of_Measure: Plot ID
Attribute:
Attribute_Label: transect
Attribute_Definition:
Transect ID for each survey point. Transects were renumbered for each park.
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1
Range_Domain_Maximum: 5
Attribute_Units_of_Measure: Transect number
Attribute:
Attribute_Label: point
Attribute_Definition:
Point ID for each survey location. Points were renumbered for each transect within each park.
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1
Range_Domain_Maximum: 25
Attribute_Units_of_Measure: Point ID
Attribute:
Attribute_Label: PTP
Attribute_Definition:
Unique survey point ID. A concatenation of plot, transect, and point IDs.
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 132000101
Range_Domain_Maximum: 242320107
Attribute_Units_of_Measure: Survey point ID
Attribute:
Attribute_Label: water
Attribute_Definition:
The proportion of a 50- or 150-m radius circular buffer around each survey point that contained water as defined by class 11 of the National Landcover Dataset (Homer et al. 2015).
Attribute_Definition_Source:
Homer CG, Dewitz JA, Yang L, Jin S, Danielson P, Xian G, Coulston J, Herold ND, Wickham JD, Megown K. 2015. Completion of the 2011 National Land Cover Database for the conterminous United States ─ Representing a decade of land cover change information. Photogrammetric Engineering and Remote Sensing 81:345−354.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.0
Range_Domain_Maximum: 0.624203822
Attribute_Units_of_Measure: Percentage
Attribute:
Attribute_Label: wetland
Attribute_Definition:
The proportion of a 50- or 150-m radius circular buffer around each survey point that contained wetland vegetation as defined by classes 90 and 95 of the National Landcover Dataset (Homer et al. 2015).
Attribute_Definition_Source:
Homer CG, Dewitz JA, Yang L, Jin S, Danielson P, Xian G, Coulston J, Herold ND, Wickham JD, Megown K. 2015. Completion of the 2011 National Land Cover Database for the conterminous United States ─ Representing a decade of land cover change information. Photogrammetric Engineering and Remote Sensing 81:345−354.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.0
Range_Domain_Maximum: 0.72327044
Attribute_Units_of_Measure: Percentage
Attribute:
Attribute_Label: shrub
Attribute_Definition:
The proportion of a 50- or 150-m radius circular buffer around each survey point that contained shrub vegetation as defined by class 52 of the National Landcover Dataset (Homer et al. 2015).
Attribute_Definition_Source:
Homer CG, Dewitz JA, Yang L, Jin S, Danielson P, Xian G, Coulston J, Herold ND, Wickham JD, Megown K. 2015. Completion of the 2011 National Land Cover Database for the conterminous United States ─ Representing a decade of land cover change information. Photogrammetric Engineering and Remote Sensing 81:345−354.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.0
Range_Domain_Maximum: 1.0
Attribute_Units_of_Measure: Percentage
Attribute:
Attribute_Label: dshrub
Attribute_Definition:
The proportion of a 50- or 150-m radius circular buffer around each survey point that contained dwarf shrub or herbaceous vegetation as defined by classes 51, 71, and 72 of the National Landcover Dataset (Homer et al. 2015).
Attribute_Definition_Source:
Homer CG, Dewitz JA, Yang L, Jin S, Danielson P, Xian G, Coulston J, Herold ND, Wickham JD, Megown K. 2015. Completion of the 2011 National Land Cover Database for the conterminous United States ─ Representing a decade of land cover change information. Photogrammetric Engineering and Remote Sensing 81:345−354.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.0
Range_Domain_Maximum: 1.0
Attribute_Units_of_Measure: Percentage
Attribute:
Attribute_Label: dec
Attribute_Definition:
The proportion of a 50- or 150-m radius circular buffer around each survey point that contained deciduous forest as defined by class 41 of the National Landcover Dataset (Homer et al. 2015).
Attribute_Definition_Source:
Homer CG, Dewitz JA, Yang L, Jin S, Danielson P, Xian G, Coulston J, Herold ND, Wickham JD, Megown K. 2015. Completion of the 2011 National Land Cover Database for the conterminous United States ─ Representing a decade of land cover change information. Photogrammetric Engineering and Remote Sensing 81:345−354.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.0
Range_Domain_Maximum: 0.76433121
Attribute_Units_of_Measure: Percentage
Attribute:
Attribute_Label: mixed
Attribute_Definition:
The proportion of a 50- or 150-m radius circular buffer around each survey point that contained mixed deciduous and evergreen forest as defined by class 43 of the National Landcover Dataset (Homer et al. 2015).
Attribute_Definition_Source:
Homer CG, Dewitz JA, Yang L, Jin S, Danielson P, Xian G, Coulston J, Herold ND, Wickham JD, Megown K. 2015. Completion of the 2011 National Land Cover Database for the conterminous United States ─ Representing a decade of land cover change information. Photogrammetric Engineering and Remote Sensing 81:345−354.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.0
Range_Domain_Maximum: 0.539432177
Attribute_Units_of_Measure: Percentage
Attribute:
Attribute_Label: spruce
Attribute_Definition:
The proportion of a 50- or 150-m radius circular buffer around each survey point that contained evergreen forest as defined by class 42 of the National Landcover Dataset (Homer et al. 2015).
Attribute_Definition_Source:
Homer CG, Dewitz JA, Yang L, Jin S, Danielson P, Xian G, Coulston J, Herold ND, Wickham JD, Megown K. 2015. Completion of the 2011 National Land Cover Database for the conterminous United States ─ Representing a decade of land cover change information. Photogrammetric Engineering and Remote Sensing 81:345−354.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.0
Range_Domain_Maximum: 0.981012658
Attribute_Units_of_Measure: Percentage
Attribute:
Attribute_Label: baresnow
Attribute_Definition:
The proportion of a 50- or 150-m radius circular buffer around each survey point that contained bareground or perennial ice and snow as defined by classes 12 and 31 of the National Landcover Dataset (Homer et al. 2015).
Attribute_Definition_Source:
Homer CG, Dewitz JA, Yang L, Jin S, Danielson P, Xian G, Coulston J, Herold ND, Wickham JD, Megown K. 2015. Completion of the 2011 National Land Cover Database for the conterminous United States ─ Representing a decade of land cover change information. Photogrammetric Engineering and Remote Sensing 81:345−354.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.0
Range_Domain_Maximum: 1.0
Attribute_Units_of_Measure: Percentage
Attribute:
Attribute_Label: elev_m
Attribute_Definition: Elevation at the survey point, in meters
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.937846154
Range_Domain_Maximum: 1597.51395
Attribute_Units_of_Measure: Meters
Attribute:
Attribute_Label: jdate
Attribute_Definition: Day of the year (day 1 = 1 January) when survey was conducted.
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 131
Range_Domain_Maximum: 160
Attribute_Units_of_Measure: Julian day
Attribute:
Attribute_Label: radius
Attribute_Definition:
Whether or not observers classified vegetation within 50 or 150 meters of the survey point.
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 150.0
Enumerated_Domain_Value_Definition: 150 meters
Enumerated_Domain_Value_Definition_Source: Author defined.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 50.0
Enumerated_Domain_Value_Definition: 50 meters
Enumerated_Domain_Value_Definition_Source: Author defined.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: NA
Enumerated_Domain_Value_Definition: Data not collected.
Enumerated_Domain_Value_Definition_Source: Author defined.
Attribute:
Attribute_Label: sound
Attribute_Definition:
The proportion of a 50- or 150-m radius circular buffer that contained forest or tall shrub cover (i.e., shrub, dec, mixed, or spruce).
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 0.0
Range_Domain_Maximum: 1.0
Attribute_Units_of_Measure: Percentage
Attribute:
Attribute_Label: obsnum
Attribute_Definition: The observer group that recorded each observation.
Attribute_Definition_Source: Author defined.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 1
Enumerated_Domain_Value_Definition: Group 1
Enumerated_Domain_Value_Definition_Source: Author defined.
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: 2
Enumerated_Domain_Value_Definition: Group 2
Enumerated_Domain_Value_Definition_Source: Author defined.