Flóra: tímarit um íslenzka grasafræði - 01.04.1966, Page 122

Flóra: tímarit um íslenzka grasafræði - 01.04.1966, Page 122
TAFLA XXX. A. MosaheiSi. (The Rhacomitrium Heath Vegetation.) Carcx Bigelowii - Salix herbacea soc. 1-4. S. herbacea - Polygonum viviparum soc. 5-8. C. Bigelowii - S. herbacea - Empetrum bermaíroditum soc. 9. STAÐIR (Localities): Fcroihvammur 1-2, Holtavörðuheiöi 3-9. 1 2 3 4 5 6 7 8 9 Carex Bigelowii G A 3 90 100 100 100 _ 20 50 30 100 Salix herbacea Ch A3 80 70 100 90 100 100 100 100 40 Polygonum viviparum G A 3 70 100 10 40 100 80 100 20 40 Empetrum hermafroditum Ch A 2 40 40 - 10 - - - - 100 Silene acaulis Ch A 3 60 20 20 10 10 50 20 40 20 Thalictrum alpinum H A 2 100 90 - - 10 40 40 - 80 Armeria vulgaris H A3 40 10 30 10 10 40 60 20 30 Frstuca vivipara H E4 40 70 - - - 20 10 - 80 Juncus trifidus H A2 10 - - - - - - - 60 Thymus arcticus Ch A 2 20 - - - - - - - 50 Cardaminopsis petraea Ch A1 10 Cerastium alpinum Ch A 3 - - 10 - 10 20 30 - - Dryas octopetala Ch A3 20 Equisetum arvense G E4 - 20 40 20 - - - - - Euphrasia frigida Th A2 10 - - - 10 - - - - Festuca ovina H E4 10 Galium pumilum H E1 30 - - - - - - - 40 Luzula arcuata H A 3 - - - - - 10 - 10 - - spicata H A2 30 20 - 10 - 20 20 - 10 Poa glauca H A3 10 - 10 - - 10 20 - 10 Rumex acetosa H E3 20 - - - - - 10 - - Saxifraga caespitosa Ch A 3 - 10 - - - - - - - - oppositifolia Ch A 3 - - - - 10 10 10 — - Sedum roseum H A2 - - - - 20 - - - - TAFLA XXX. B. Hlutföll tegundaflokka og lífmynda. (Biological Spectra.) 1 2 3 4 5 6 7 8 9 Stigatala. Points Sum. 660 550 320 290 280 420 470 220 690 Tegunda tala. Number of Species. 16 11 8 8 9 12 12 6 15 Teg. þéttleiki. Density of Species. 6.6 5.5 3.2 2.9 2.8 4.2 4.7 2.2 6.9 A Arktxskar tegundir 84.8 83.6 87,5 93.1 100,0 95,2 95,7 100,0 82,6 E Evrópskar tegundir 15,2 16,4 12.5 6.9 - 4.8 4.3 - 17.4 Ch Runna- og þófaplöntur 30,3 25.5 40.6 37,9 46.4 42.6 34,0 63,6 34,8 H Svaröplöntur 43,9 34,5 12.5 6.9 14,3 33.3 34.0 13.6 44,9 G Jaröplöntur 24,3 40,0 46,9 55,2 35,7 22,8 31,9 22,7 20,3 Th Einasar plöntur 1.5 - - - 3.6 - - - -
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Flóra: tímarit um íslenzka grasafræði

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