Plant % cover by species for the ITEX CO2 flux survey plots at Toolik, Alaska; Abisko, Sweden; Svalbard, Norway; Zackenberg, Northeast Greenland; and Barrow, Alaska 2004-2009
Variables
YEAR
- Label: YEAR
- Definition: Year of percent cover measurement
- Type: Date/time
- Date format: YYYY
- Missing values: None specified
DATE
- Label: DATE
- Definition: Date of percent cover measurement
- Type: Date/time
- Date format: dd-mmm-yy
- Missing values: None specified
SITE
- Label: SITE
- Definition: Abisko, Toolik, Svalbard, Zackenberg, Barrow, or AR Burn.
- Type: Nominal
- Missing values: None specified
GROUP
- Label: GROUP
- Definition: Location of flux plots at each site
- Type: Nominal
- Missing values: None specified
PLOT
- Label: PLOT
- Definition: Individual plot identifier
- Type: Nominal
- Missing values: None specified
TREAT
- Label: TREAT
- Definition: Control or fertilised with N and P fertiliser
- Type: Nominal
- Missing values: None specified
PHASE
- Label: PHASE
- Definition: Measurement series (round of measurement within each year)
- Type: Nominal
- Missing values: None specified
PLOT SIZE
- Label: PLOT SIZE
- Definition: Plot size of 1m x 1m , 0.3m x 0.3m , or 0.7m x 0.7m
- Type: Nominal
- Missing values: None specified
SPECIES CODE
- Label: SPECIES CODE
- Definition: 6 letter species abbreviation, SEE "2003-2009gsspecieslist.xls"
- Type: Nominal
- Missing values: None specified
FUNCT GROUP
- Label: FUNCT GROUP
- Definition: functional group
- Type: Nominal
- Missing values: None specified
COVER
- Label: COVER
- Definition: average estimated cover
- Type: Physical quantity
- Unit: percent
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values: None specified
Comments
- Label: Comments
- Definition: Comments
- Type: Nominal
- Missing values: None specified