Hofgaard, Annika; Dalen, Linda; Hytteborn, Håkan (2009): (Table 2) Biotic and abiotic characteristics of birch sapling (Betula pubescens tortuosa) occurrence above the tree line [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.811216, In supplement to: Hofgaard, A et al. (2009): Tree recruitment above the treeline and potential for climate-driven treeline change. Journal of Vegetation Science, 20(6), 1133-1144, https://doi.org/10.1111/j.1654-1103.2009.01114.x
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Coverage:
Median Latitude: 66.777667 * Median Longitude: 17.444333 * South-bound Latitude: 62.250000 * West-bound Longitude: 9.583300 * North-bound Latitude: 69.750000 * East-bound Longitude: 23.916700
Minimum ELEVATION: 510 m a.s.l. * Maximum ELEVATION: 1208 m a.s.l.
Event(s):
Abisko (ABI) * Latitude: 68.333000 * Longitude: 18.833000 * Location: Abisko, Lappland, northern Sweden * Method/Device: Multiple investigations (MULT)
Comment:
ELEVATION is mean growing location altitude.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Temperature, air, annual mean | MAAT | °C | Hofgaard, Annika | ||
| 5 | Temperature, mean summer | T sum | °C | Hofgaard, Annika | ||
| 6 | ELEVATION | Elevation | m a.s.l. | Geocode | ||
| 7 | Standard deviation | Std dev | ± | Hofgaard, Annika | growing location altitude | |
| 8 | Height | Height | m | Hofgaard, Annika | above treeline | |
| 9 | Standard deviation | Std dev | ± | Hofgaard, Annika | height above treeline | |
| 10 | Slope inclination, mean | Slope inc m | deg | Hofgaard, Annika | ||
| 11 | Slope inclination, standard deviation | Slope inc std dev | ± | Hofgaard, Annika | ||
| 12 | Percentage | Perc | % | Hofgaard, Annika | Visual observation | concave microtopography |
| 13 | Percentage | Perc | % | Hofgaard, Annika | Visual observation | flat microtopography |
| 14 | Percentage | Perc | % | Hofgaard, Annika | Visual observation | convex microtopography |
| 15 | Percentage | Perc | % | Hofgaard, Annika | Visual observation | ridge-snow bed position: ridge |
| 16 | Percentage | Perc | % | Hofgaard, Annika | Visual observation | ridge-snow bed position: ridge-lee side |
| 17 | Percentage | Perc | % | Hofgaard, Annika | Visual observation | ridge-snow bed position: lee side |
| 18 | Percentage | Perc | % | Hofgaard, Annika | Visual observation | ridge-snow bed position: lee side-snow bed |
| 19 | Percentage | Perc | % | Hofgaard, Annika | Visual observation | ridge-snow bed position: snow bed |
| 20 | Betula pubescens tortuosa, age | B. pubescens tortuosa age | a | Hofgaard, Annika | Age, tree ring | saplings |
| 21 | Betula pubescens, standard deviation | B. pubescens std dev | ± | Hofgaard, Annika | Age, tree ring | age |
| 22 | Betula pubescens tortuosa, height | B. pubescens tortuosa h | m | Hofgaard, Annika | saplings | |
| 23 | Betula pubescens, standard deviation | B. pubescens std dev | ± | Hofgaard, Annika | height | |
| 24 | Number of stems | Stems | # | Hofgaard, Annika | Visual observation | polycormic per sapling |
| 25 | Standard deviation | Std dev | ± | Hofgaard, Annika | Visual observation | polycormicy |
| 26 | Percentage | Perc | % | Hofgaard, Annika | Visual observation | browsed (grazed) per sapling |
| 27 | Standard deviation | Std dev | ± | Hofgaard, Annika | Visual observation | % browsed/sapling |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
69 data points