Greinar (Vísindafélag Íslendinga) - 01.01.1942, Blaðsíða 9

5
is really a sea-side vegetation or the kind which is called
in Danish “Strandeng”.
Table I A.
Strand vegetation in Æ6ey.
1 2
Puccinellia maritima .... . H E3 100 -
Stellaria humifusa . H A1 90 -
Potentilla anserina . H E4 - 100
Poa pratensis . G E4 - 100
Festuca rubra . H E4 10 50
Carex Lyngbyei . G E3 10 20
Agrostis alba . H E3 20 -
Plantago maritima . H E4 30
Table I B.
Biological apectra, of atrand vegetation.
Points sum 1 260 2 270
Number of species 6 4
Density of species 2.6 2.7
A 34.6 —
E 65.4 100.0
A3 — A2 — -
A1 34.6 -
E4 15.4 92.6
E3 50.0 7.4
E2 — E1 —
H...................................... 96.2 65.6
G ..................................... 3.8 44.4
Table I A—B shows how the vegetation in this group is.
There are two Associations. Table I A shows the vegeta-
tion of the Puccinellia maritima — Stellaria — Associa-
tion. Puccinellia predominates entirely, both in physiog-
nomy and also in that it covers far more of the surface
than all the other species together. This Association is
found where the bank or strip of land beside the sea is
dampest and so low that spring-tides at least must flood