Environmental Data: Greenland shrubs and microclimate

Description

## Study Aim We collected these data to alternatively train and validate high resolution (~ 90 m) Species Distribution Models (SDMs) and Species Abundan...

Citation

Chardon, N. I., Nabe-Nielsen, J., Assmann, J., Dyrholm Jacobsen, I. B., Guéguen, M., Normand, S., Wipf, S. (2022). Greenland shrubs and microclimate. EnviDat. https://www.doi.org/10.16904/envidat.286.

Resources

• 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]

  Nuup Kangerlua

• Kangerluarsunnguaq

  ## Collected August 2020 (PI: Nathalie Isabelle Chardon) These data collected August 2020 (PI: Nathalie Isabelle Chardon). Please contact N. I. Chardon (nathalie.chardon_at_gmail.com) for individual quadrat (i.e. 1 m x 1 m) data, which are averaged at the 90 m spatial grid here. ## COLUMN ABBREVIATIONS ### Metadata for 90 m spatial grid id: sampling zone and unique 90 m grid identifier long: WGS84 longitude lat: WGS84 latitude x_stere: longitude in Polar Stereographic (EPSG 4326) y_stere: latitude in Polar Stereographic (EPSG 4326) date: sampling day.month.year ### Species presence [1] or absence [0] at grid level alcr: _Alnus crispa_ bena: _Betula nana_ dila: _Diapensia lapponica_ emni: _Empetrum nigrum_ hahy: _Harimanella hypoides_ lopr: _Loiseleuria procumbens_ oxpa: _Oxycoccus palustre_ phca: _Phyllodoce caerulea_ rhod: _Rhododendron_ sp. saar: _Salix arctica_ sagl: _Salix glauca_ sahe: _Salix herbacea_ vaul: _Vaccinium uliginosum_ drin: _Dryas integrifolia_ thpr: _Thymus praecox_ ### Habitat characteristics [% cover] shrub: all shrub species gram: graminoids forb: forbs bryo: bryophytes lich: lichens litt: litter bare: bare ground stone: stones (> 2 cm) org: organic crust ### Shrub species height (maximum vegetative height) [mm] and cover (estimated in 1x1 m quadrat) [%] alcr_c: _Alnus crispa_ cover alcr_h: _Alnus crispa_ height bena_c: _Betula nana_ cover bena_h: _Betula nana_ height dila_c: _Diapensia lapponica_ cover dila_h: _Diapensia lapponica_ height emni_c: _Empetrum nigrum_ cover emni_h: _Empetrum nigrum_ height hahy_c: _Harimanella hypoides_ cover hahy_h: _Harimanella hypoides_ height lopr_c: _Loiseleuria procumbens_ cover lopr_h: _Loiseleuria procumbens_ height oxpa_c: _Oxycoccus palustre_ cover oxpa_h: _Oxycoccus palustre_ height phca_c: _Phyllodoce caerulea_ cover phca_height: _Phyllodoce caerulea_ height rhod_c: _Rhododendron_ sp. cover rhod_h: _Rhododendron_ sp. height saar_c: _Salix arctica_ cover saar_h: _Salix arctica_ height sagl_c: _Salix glauca_ cover sagl_h: _Salix glauca_ height sahe_c: _Salix herbacea_ cover sahe_h: _Salix herbacea_ height vaul_c: _Vaccinium uliginosum_ cover vaul_h: _Vaccinium uliginosum_ height drin_c: _Dryas integrifolia_ cover drin_h: _Dryas integrifolia_ height ### Community characteristics rich_pa: shrub species richness at grid level rich: shrub species richness averaged across 3 1x1 m sampling quadrats 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] ht_cwm: maximum shrub canopy height (i.e. community weighted mean by abundance of maximum shrub height) [mm] ### Topography and terrain wetness (calculated from) tcws: Tasseled Cap Wetness component (Sentinal images) slope: slope angle (MEaSUREs Greenland Ice Mapping Project Digital Elevation Model v. 1; Howat et al., 2014, 2015) [º] twi: SAGA wetness index (MEaSUREs Greenland Ice Mapping Project Digital Elevation Model v. 1; Howat et al., 2014, 2015) asp: aspect (MEaSUREs Greenland Ice Mapping Project Digital Elevation Model v. 1; Howat et al., 2014, 2015) [º] ### Downscaled climate (time series 1984 – 2013) insoljja: average June-August insolation [MJ cm-2 yr-1] precipmam: cumulative March-May precipitation [mm] tempcont: yearly maximum – minimum temperature [ºC] tempmin: yearly minimum temperature [ºC] precipjja: cumulative June-August precipitation [mm] tempjja: average maximum June-August temperature [ºC] tempmax: yearly maximum temperature [ºC]

  Kangerluarsunnguaq

• GitLab Repository

  Zip drive of GitLab repository contents (https://gitlab.com/nathaliechardon/gl_microclim).

  GitLab Repository