2013_MM_Shrub_Soil_Characteristics_csv

Carbon/Nitrogen Status Including Protease Activities of Arctic Soils Associated with Shrubs of Varying Height around Toolik Field Station, Alaska 2009.

Variables

Spl ID
  • Label: Spl ID
  • Definition: specific core identification number
  • Type: Physical quantity
  • Unit: number
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values: None specified
Vegetation Height
  • Label: Vegetation Height
  • Definition: divided into three categories based on height
  • Type: Code list
  • Codes:
    • MAT = moist acidic tussock|ST=shrub tundra
  • Missing values: None specified
Shrub Height
  • Label: Shrub Height
  • Definition: mean of tallest shrubs within 10 individual 1 meter squared areas per transect
  • Type: Physical quantity
  • Unit: centimeter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
Deciduous Shrub Composition
  • Label: Deciduous Shrub Composition
  • Definition: deciduous shrub first hits at 0.5 m intervals divided by the total number of first hits per transect and multiplied by 100
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
Evergreen Shrub Composition
  • Label: Evergreen Shrub Composition
  • Definition: evergreen shrub first hits at 0.5 m intervals divided by the total number of first hits per transect and multiplied by 100
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
Forb Composition
  • Label: Forb Composition
  • Definition: forb first hits at 0.5 m intervals divided by the total number of first hits per transect and multiplied by 100
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
Graminoid Composition
  • Label: Graminoid Composition
  • Definition: graminoid first hits at 0.5 m intervals divided by the total number of first hits per transect and multiplied by 100
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
Tussock Composition
  • Label: Tussock Composition
  • Definition: mean number of tussocks found within 10 1-meter squared areas per transect
  • Type: Physical quantity
  • Unit: number
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
Soil Layer
  • Label: Soil Layer
  • Definition: organic layer, mineral layer
  • Type: Nominal
  • Missing values: None specified
Incubation Time
  • Label: Incubation Time
  • Definition: sampling during a 90-day incubation
  • Type: Physical quantity
  • Unit: number
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = Missing or Not Measured
BD
  • Label: BD
  • Definition: bulk density
  • Type: Physical quantity
  • Unit: gramPerCentimeterCubed
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
pH
  • Label: pH
  • Definition: acidity or alkalinity determination
  • Type: Physical quantity
  • Unit: number
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
%C
  • Label: %C
  • Definition: percentage carbon per soil mass
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
%N
  • Label: %N
  • Definition: percentage nitrogen per soil mass
  • Type: Physical quantity
  • Unit: percent
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
C:N
  • Label: C:N
  • Definition: ratio percentage carbon to percentage nitrogen
  • Type: Physical quantity
  • Unit: number
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
TN
  • Label: TN
  • Definition: nitrogen extracted with potasssium sulfate in microgramNPerGram
  • Type: Physical quantity
  • Unit: microgramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data); 0 values are real (data not missing)
DIN
  • Label: DIN
  • Definition: dissolved inorganic nitrogen extracted with potassium sulfate in microgramNPerGram
  • Type: Physical quantity
  • Unit: microgramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
DON
  • Label: DON
  • Definition: dissolved organic nitrogen extracter with potassium sulfate in microgramNPerGram
  • Type: Physical quantity
  • Unit: microgramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
MB-N
  • Label: MB-N
  • Definition: nitrogen resulting from fumigation in microgramNPerGram in microgramNPerGram
  • Type: Physical quantity
  • Unit: microgramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data); 0 values are real (data not missing)
N mineralization
  • Label: N mineralization
  • Definition: total nitrogen mineralized over the 90 d incubation in microgramNPerGram
  • Type: Physical quantity
  • Unit: microgramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = Missing or Not Measured
NPOC
  • Label: NPOC
  • Definition: organic carbon extracted with potassium sulfate
  • Type: Physical quantity
  • Unit: milligramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data); 0 values are real (data not missing)
MB-C
  • Label: MB-C
  • Definition: carbon resulting from fumigation
  • Type: Physical quantity
  • Unit: milligramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data)
C mineralization
  • Label: C mineralization
  • Definition: total organic carbon mineralized over the 90 d incubation
  • Type: Physical quantity
  • Unit: milligramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = Missing or Not Measured
TSP
  • Label: TSP
  • Definition: total soluble protein
  • Type: Physical quantity
  • Unit: milligramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data); 0 values are real (data not missing)
TFAA
  • Label: TFAA
  • Definition: total free amino acids
  • Type: Physical quantity
  • Unit: microgramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data); 0 values are real (data not missing)
NPEA (gDW)
  • Label: NPEA (gDW)
  • Definition: native protease activity on gram dry weight basis
  • Type: Physical quantity
  • Unit: microgramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data); 0 values are real (data not missing)
NPEA (mg TSP)
  • Label: NPEA (mg TSP)
  • Definition: native protease activity on total soluble protein basis
  • Type: Physical quantity
  • Unit: microgramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data); 0 values are real (data not missing)
PPEA
  • Label: PPEA
  • Definition: potential protease activity on gram dry weight basis
  • Type: Physical quantity
  • Unit: microgramPerGram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • "" = Blanks (no data); 0 values are real (data not missing)
Data Source Details

Header lines: 

1

Orientation: 

Column

Quote character: 

"

Field delimiter: 

,

Record delimiter: 

\r\n

Number of Records: 

99