Nuup Kangerlua
Collected July-August 2011-2013 (PI: Jacob Nabe-Nielsen)
These data collected July-August 2011-2013 (PI: Jacob Nabe-Nielsen). Please contact J. Nabe-Nielsen (jnn_at_ecos.au.dk) to request access to data on all surveyed shrub species. Available here are only data used in Chardon et al. 2022.
COLUMN ABBREVIATIONS
Metadata for 90 m spatial grid
year: sampling year
alt: average altitude of grid as recorded during field surveys [m]
long: WGS84 longitude
lat: WGS84 latitude
x_stere: longitude in Polar Stereographic (EPSG 4326)
y_stere: latitude in Polar Stereographic (EPSG 4326)
Species presence [1] or absence [0] at grid level
pa_bena: Betula nana
pa_sagl: Salix glauca
Shrub species cover (calculated from pin hits in 0.7 x 0.7 m frame, based on total of 25 hits) [%]
cov_bena: Betula nana cover
cov_sagl: Salix glauca cover
Downscaled climate (time series 1984 – 2013)
tempjja: average maximum June-August temperature [ºC]
tempmax: yearly maximum temperature [ºC]
tempmin: yearly minimum temperature [ºC]
tempcont: yearly maximum – minimum temperature [ºC]
precipmam: cumulative March-May precipitation [mm]
precipjja: cumulative June-August precipitation [mm]
insoljja: average June-August insolation [MJ cm-2 yr-1]
Topography and terrain wetness (calculated from)
twi: SAGA wetness index (MEaSUREs Greenland Ice Mapping Project Digital Elevation Model v. 1; Howat et al., 2014, 2015)
slope: slope angle (MEaSUREs Greenland Ice Mapping Project Digital Elevation Model v. 1; Howat et al., 2014, 2015) [º]
asp: aspect (MEaSUREs Greenland Ice Mapping Project Digital Elevation Model v. 1; Howat et al., 2014, 2015) [º]
tcws: Tasseled Cap Wetness component (Sentinal images)
Community characteristics
rich: shrub species richness averaged across pin-point frames per grid
shan: Shannon diversity (‘vegan’ package; Oksanen et al. 2019)
comp_bena: shrub competition on Betula nana (i.e. summed cover of non-B. nana species) [% cover]
comp_sagl: shrub competition on Salix glauca (i.e. summed cover of non-S. glauca species) [% cover]
Additional Information
| Field | Value |
|---|---|
| Metadata last updated | February 8, 2022 |
| Data last updated | February 9, 2022 |
| Created | April 15, 2021 |
| Format | .csv |
| License | Creative Commons Attribution Share-Alike (CC-BY-SA) |
| DOI | |
| Access Restriction | Level: Public |
| Publication State | |
| Size | 26.53 KB |