Íslenskar landbúnaðarrannsóknir - 01.03.1980, Side 48

46 ÍSLENZKAR LANDBÚNAÐARRANNSÓKNIR
7. TAFLA. Flatarmál gróðurhverfa í Þjórsárdal 1977. TABLE 7. The areal extent of the plant communities in Thjórsárdalui r 1977. > 200 m hæð yfir sjávarmáli. > 200 m above see level.
Gróðurhverfi Plant communities Ha. Gróðurhula Vegetation cover Ræktan- legt Arable Illrækt- anlegt Poorely arable Órækt- anlegt Non arable
Algr. 100% X Z Þ Corrected to 100% cover
Ai 11.0 11.0 5.6 11.0
A3 18.9 18.9 9.4 18.9
A4 184.2 33.9 32.6 77.2 40.5 106.2 160.8 23.4
Á7 132.8 76.5 56.3 73.3 132.8
A8 182.8 33.6 67.4 73.3 8.5 131.4 172.0 10.0
C4 48.0 48.0 48.0 48.0
Ds 1.4 1.4 1.4 1.4
E2 36.5 5.1 28.2 3.2 30.4 33.1 3.4
G2 108.3 18.1 49.4 40.8 80.2 108.3
h3 48.0 38.4 9.6 33.9 48.0
Ki 288.5 15.5 15.8 102.6 154.6 104.8 143.2 10.1 135.2
K2 34.7 1.6 33.1 6.6 28.3 6.4
K4 128.5 128.5 20.5 128.5
n 152.3 72.8 71.0 8.5 98.1 119.0 33.3
s 462.7 198.1 195.4 51.0 18.2 390.6 431.7 31.0
R 8.0 8.0 8.0 8.0
T2 53.4 53.4 53.4 53.4
Ts 56.5 56.5 56.5 56.5
U2 4.0 4.0 4.0 4.0
U4 15.5 15.5 15.5 15.5
Vs 3.7 3.7 3.7 3.7
Ógróið land
Barren land:
Melar 353.6 353.6
Gravel:
Grjót 398.7
Rocks, tailings:
Vikrar 486.4 486.4
Pumice flats:
Vatn 163.2
Water:
Byggð og önnur
mannvirki 1.1
Inhabited area
and Power plant:
Samtals
Total:
3382.7
1281.5 2518.1
10.1 242.7