Flóra: tímarit um íslenzka grasafræði - 01.04.1966, Page 120

Flóra: tímarit um íslenzka grasafræði - 01.04.1966, Page 120
TAFLAXXVUI. A. Mosaheiði 1-7, fléttuheiði 8-10. (The Rhacomitrium Heath Vegetation 1—7, The Lichen Heath Veg. 8—10.) Caiex Bigelowii - Salix herbacea - Empetrum hermaíroditum soc. 1-5, C. Bigelowii - S. herbacea soc.6, Equisetum arvense - Armeria vulgaris soc. 7, C. Bigelowii - S. herbacea - Festuca rubra soc. 8-10. STAÐIR (Localities): Tjarnheiöi 1,5,7, Fremri Skúti 2. Þjófadalir 3-4,8,10. Jökulvellir 6, Við Þegjandi 9. 1 2 3 4 5 6 7 8 9 10 Carex Bigelowii G A 3 100 100 80 90 90 100 _ 100 100 100 Salix berbacea Ch A 3 70 80 100 100 60 80 20 60 80 100 Empetrum hermafroditum Ch A 2 50 100 60 60 100 - 20 - 30 - Equisetum arvense G E4 30 60 60 - 80 20 100 20 30 60 Festuca rubra H E4 40 50 90 90 40 100 - 100 70 90 Armeria vulgaris H A 3 - 10 20 30 10 10 90 - 20 20 Polygonura viviparum G A3 70 100 70 100 90 100 20 90 100 - Thalictrum alpinum H A 2 80 - 30 40 50 30 - 90 100 70 Cassiope hypnoides Ch A 2 - 50 50 100 20 - - - 80 90 Calamagrostis neglecta H E4 70 60 - 40 70 - - 20 80 - Equisetum variegatum H A 3 - 30 50 50 10 - - 30 70 60 Vaccinium uliginosum Ch E4 60 70 - - 80 - - - - - Salix glauca Ch A 3 10 30 - - 70 30 - - 40 30 Poa alpina H A2 - - - - 10 - 30 50 10 - Taraxacum croceum H A2 - - 10 10 - 10 - 60 20 20 Cerastium alpinum Ch A 3 - 20 - - 10 - - 50 - - Potentilla Crantzii H A2 - - - - - - - 70 - - Ranunculus aais H E4 - - - - - - - 70 - - Betula nana Ch A 2 - - - - 70 - - - - Agrostis canina H E3 10 - Bartschia alpina H A 2 - - - 30 - - - - 30 - Cardamine pratensis H E4 10 Cerastium caespitosum Cb E3 10 - Dcschampsia alpina H A2 - 10 - - - - - - 10 - - flexuosa H E3 - - 10 - - - - - - - Digeron bcrealis H A 1 - - - - - - - 20 - - Festuca vivipara H E4 - - - - 10 - - - - - Galium pumilum H E1 10 - Gnaphalium supinum Ch A 2 30 Juncus trifidus H A2 - 20 Kobresia myosuroides H A 3 - - - - - - - - 20 - Luzula spicata H A 2 10 - 30 - 30 - 30 40 - 30 Phleum alpinum H A 2 - - - - - - - 20 - - Pinguicula vulgaris H E4 - 10 - - - - - - - - Rumex acetosa H E3 - - - - - - - 10 - 30 Saxifraga Hirculus H A3 - 20 - - - - - - 30 - Selagineila selaginoides Ch A 1 10 - Sibbaldia procumbens Ch A2 - - - - - - - 10 - 30 Siiene acaulis Ch A 3 - 10 10 10 10 - - - - 20 TAFLA XXVIII. B. Hlutföll tegundaflokka og lö’mynda. (Biological Spectra.) 1 2 3 4 5 6 7 8 9 10 Stigatala. Points Sum. 600 830 670 750 910 480 310 910 960 780 Tcgunda tala. Number of Species. 12 18 14 13 19 9 7 18 22 15 Tegunda þéttleikL Density of Species, 6.0 8.3 6.7 7.5 9.1 4.8 3.1 9.1 9.6 7.8 A Arktískar tegundir 65,0 69,9 76.1 82,7 69,2 75,0 67,7 75,8 78.1 76,9 E Evrópskar tegundir 35.0 30.1 23,9 17,3 30.8 25,0 32,3 24,2 29,9 23.1 Ch Runna- og þófaplöntur 31,7 43,4 32,8 36,0 46,2 22,9 12,9 13,2 26,0 38,5 H Svarðplöntur 35,0 25.3 35,8 38,7 25,3 31,3 48,4 63,7 50,0 41.0 G Jarðplöntur 33.3 31.3 31.4 25,3 28,5 45,8 38,7 23,1 24,0 20,5
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Flóra: tímarit um íslenzka grasafræði

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