Excel file with metadata and data sheets.
Quadrats were harvested for aboveground biomass from eight plots within a tussock, watertrack, and snowbed community at 3 sites - acidic tundra and nonacidic tundra near Arctic LTER Toolik Plots and acidic tundra near Sagwon,Arctic LTER 1997.
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1997lg3sbm.xls (447.5 KB)Variables
Date
- Label: Date
- Definition: Beginning date of harvest. The harvest occurred over a 6 day period.
- Type: Date/time
- Date format: dd-mmm-yyyy
- Missing values: None specified
Site
- Label: Site
- Definition: Site of harvest: LTER Acidic tundra, LTER Non-acidic tundra, and Sagwon acidic tundra. Communities sampled at each site are: Tussock, Snowbed, watertrack
- Type: Nominal
- Missing values: None specified
Growth Form
- Label: Growth Form
- Definition: The growth form
- Type: Nominal
- Missing values: None specified
Species
- Label: Species
- Definition: The species
- Type: Nominal
- Missing values: None specified
Tissue
- Label: Tissue
- Definition: The tissue type
- Type: Nominal
- Missing values: None specified
Biomass Category
- Label: Biomass Category
- Definition: Tissue category for biomass summaries: New above, old above, below, and non-vascular.
- Type: Nominal
- Missing values: None specified
Q1
- Label: Q1
- Definition: Grams of dry tissue per 20x20 cm^2 in Quadrat1
- Type: Physical quantity
- Unit: gramPerFourHundredthMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
Q2
- Label: Q2
- Definition: Grams of dry tissue per 20x20 cm^2 in Quadrat2
- Type: Physical quantity
- Unit: gramPerFourHundredthMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
Q3
- Label: Q3
- Definition: Grams of dry tissue per 20x20 cm^2 in Quadrat3
- Type: Physical quantity
- Unit: gramPerFourHundredthMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
Q4
- Label: Q4
- Definition: Grams of dry tissue per 20x20 cm^2 in Quadrat4
- Type: Physical quantity
- Unit: gramPerFourHundredthMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
Q5
- Label: Q5
- Definition: Grams of dry tissue per 20x20 cm^2 in Quadrat5
- Type: Physical quantity
- Unit: gramPerFourHundredthMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
Q6
- Label: Q6
- Definition: Grams of dry tissue per 20x20 cm^2 in Quadrat6
- Type: Physical quantity
- Unit: gramPerFourHundredthMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
Q7
- Label: Q7
- Definition: Grams of dry tissue per 20x20 cm^2 in Quadrat7
- Type: Physical quantity
- Unit: gramPerFourHundredthMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
Q8
- Label: Q8
- Definition: Grams of dry tissue per 20x20 cm^2 in Quadrat8
- Type: Physical quantity
- Unit: gramPerFourHundredthMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
Average
- Label: Average
- Definition: Average of all quadrats for that species and tissue type in Grams of dry per 20x20 cm^2
- Type: Physical quantity
- Unit: gramPerFourHundredthMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
Std. Err.
- Label: Std. Err.
- Definition: Standard error of the average g per quadrat
- Type: Physical quantity
- Unit: gramPerFourHundredthMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
Count
- Label: Count
- Definition: Number of quadrats
- Type: Physical quantity
- Unit: number
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
Average g/m^2
- Label: Average g/m^2
- Definition: Average of all quadrats expressed as g/m2
- Type: Physical quantity
- Unit: gramPerMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
StdERR g/m^2
- Label: StdERR g/m^2
- Definition: Standard error of average g/m ^2
- Type: Physical quantity
- Unit: gramPerMeterSquared
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured
Count g/m^2
- Label: Count g/m^2
- Definition: Number of quadrats used for g/m^2
- Type: Physical quantity
- Unit: number
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- #N/A = Missing or Not Measured