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Hofgaard, Annika; Dalen, Linda; Hytteborn, Håkan (2009): (Table 2) Biotic and abiotic characteristics of birch sapling (Betula pubescens tortuosa) occurrence above the tree line. PANGAEA,, 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,

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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.
Abisko (ABI) * Latitude: 68.333000 * Longitude: 18.833000 * Location: Abisko, Lappland, northern Sweden * Device: Multiple investigations (MULT)
Dovre * Latitude: 62.250000 * Longitude: 9.583300 * Elevation Start: 1150.0 m * Elevation End: 1690.0 m * Location: Norway * Device: Biological sample (BIOS)
Joatka * Latitude: 69.750000 * Longitude: 23.916700 * Elevation Start: 20.0 m * Elevation End: 570.0 m * Location: Norway * Device: Biological sample (BIOS)
ELEVATION is mean growing location altitude.
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEvent
2Latitude of eventLatitude
3Longitude of eventLongitude
4Temperature, air, annual meanMAAT°CHofgaard, Annika
5Temperature, mean summerT sum°CHofgaard, Annika
6ELEVATIONElevationm a.s.l.Geocode
7Standard deviationStd dev±Hofgaard, Annikagrowing location altitude
8HeighthmHofgaard, Annikaabove treeline
9Standard deviationStd dev±Hofgaard, Annikaheight above treeline
10Slope inclination, meanSlope inc mdegHofgaard, Annika
11Slope inclination, standard deviationSlope inc std dev±Hofgaard, Annika
12PercentagePerc%Hofgaard, AnnikaVisual observationconcave microtopography
13PercentagePerc%Hofgaard, AnnikaVisual observationflat microtopography
14PercentagePerc%Hofgaard, AnnikaVisual observationconvex microtopography
15PercentagePerc%Hofgaard, AnnikaVisual observationridge-snow bed position: ridge
16PercentagePerc%Hofgaard, AnnikaVisual observationridge-snow bed position: ridge-lee side
17PercentagePerc%Hofgaard, AnnikaVisual observationridge-snow bed position: lee side
18PercentagePerc%Hofgaard, AnnikaVisual observationridge-snow bed position: lee side-snow bed
19PercentagePerc%Hofgaard, AnnikaVisual observationridge-snow bed position: snow bed
20Betula pubescens tortuosa, ageB. pubescens tortuosa ageaHofgaard, AnnikaAge, tree ringsaplings
21Betula pubescens, standard deviationB. pubescens std dev±Hofgaard, AnnikaAge, tree ringage
22Betula pubescens tortuosa, heightB. pubescens tortuosa hmHofgaard, Annikasaplings
23Betula pubescens, standard deviationB. pubescens std dev±Hofgaard, Annikaheight
24Number of stemsStems#Hofgaard, AnnikaVisual observationpolycormic per sapling
25Standard deviationStd dev±Hofgaard, AnnikaVisual observationpolycormicy
26PercentagePerc%Hofgaard, AnnikaVisual observationbrowsed (grazed) per sapling
27Standard deviationStd dev±Hofgaard, AnnikaVisual observation% browsed/sapling
69 data points

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