Flóra: tímarit um íslenzka grasafræði - 01.04.1966, Blaðsíða 113

TAFLA XXI. A. RunnaheiSi. (The Dwarfshrub Heath Vegetation.)
Empeirum hermafroditum - Loiseleuria procumbens soc. 1-5. STAÐIR (Localiues): Brunnar 1-2, 4-5. Skjaldbreiöur 3.
1 2 3 4 5
Empetrum hermafroditum Ch A2 100 90 100 100 100
Loiseleuria procumbens Ch A 1 100 100 80 100 90
Salix herbacea Ch A 3 80 90 70 80 90
Vaccinium uliginosum Ch E4 90 100 50 90 20
Thalictxura alpinum H A 2 90 10 80 90 40
Festuca rubra H E4 90 40 90 60 -
Carex Bigelowii G A 3 30 60 90 30 40
Polygonum viviparum G A 3 40 60 100 100 -
Juncus trifidus H A 2 - - 30 100 40
Deschampsia flexuosa H E3 50 60 40 - -
Cassiope hypnoides Ch A 2 30 - 10 60 -
Alchemilla alpina H A 2 10 - - - 60
Galium boreale H E2 - 90 - - -
Kobresia myosuroides H A 3 - 60 - - -
Equisetum arvense G E4 - 50 - - -
- pratense G E2 - 50 - - -
Silene acaulis Ch A 3 ~ - - 50
Agrostis canina H E3 - - 20 20 -
Anthoxanthum odoratum H E3 - 10 - - -
Armeria vulgaris H A 3 20 - 20 20 10
Bartschia alpina H A 2 - - - 30 10
Cerastium alpinum Ch A 3 - - 10 20 -
Dryas octopetala Ch A 3 - • - - 10 40
Equisetum hiemale H E3 - 10 - - -
- variegatum H A 3 - - - 10 -
Festuca vivipara H E4 - - - 20 -
Gnaphalium supinum Ch A 2 20 - 20 - -
Luzula spicata H A 2 - - 10 20 10
Pinguicula vulgaris H E4 - - - 10 -
Rumex acetosa H E3 - - - 10 -
Salix glauca Ch A 1 20 - 10 40 20
phylicifolia Ph A 1 - 20 - - -
Selaginella selaginoides Ch A 1 - - 30 20 -
Thymus arcticus Ch A 2 - - - 20 -
Tofieldia pusilla H A 2 30
TAFLA XXI. B. Hlutföll tegundaflokka og lífmynda. (Biological Spectra.)
l 2 3 4 5
Stigatala. Points Sum. 770 900 860 1140 570
Tegunda tala. Number of Species. 14 16 18 25 13
Tegunda þéttleikú Density of Species. 7,7 9,0 8.6 11.4 5,7
A Arktískar tegundir 70,1 54,4 76., 7 81.6 96.5
E Evrópskar tegundir 29.9 45.6 23,3 18.4 3.5
Ph Loftplöntur - 2.2 - - -
Ch Runna- og þófaplöntur 57,1 42.2 44.2 51.8 63.2
H Svarðplöntur 33,8 31.1 33,7 36.8 29.8
G Jarðplöntur 9.1 24,4 22,1 11.4 7.0