Íslenskar landbúnaðarrannsóknir - 01.03.1980, Síða 54

52 ÍSLENZKAR LANDBÚNAÐARRANNSÓKNIR
14. TAFLA.
Nýtanlegar fóður einingar á ha. og beitarþol 1960 og 1977. Ræktað land undanskilið.
TABLE 14.
Availablefeed units and carrying capaáty of Thjórsárdalur 1960 and 1977. Cultivated land not included.
Meðalfjöldi nýtanlegra fe/ha
algróins lands. Available
feed units per hectare
Fjöldi beitardaga.
Number of animal unit
days
Þjórsárdalur 1960 1977 1960 1977
Neðan 200 m ..................... 87.7 131.0 16607 37999
< 200 m above see level
Ofan 200 m ...................... 41.0 98.1 19469 58678
> 200 m above see level
Samtals .......................... 36076 96677
Total
15. TAFLA.
Flatarmál og beitargildi gróðurhverfa í beitarhólfinu 1960.
TABLE 15.
The areal extent and graftng value of plant communities in the grazed enclosure 1960.
< 200 m hæð yfir sjávarmáli.
< 200 m above see level.
Fjöldi nýtan-
Gróðurhverfi Ha. algróið legra fóðureininga
Plant communities Ha. Corrected to 100% cover Available feed units
A3 ................................ 1.5 0.7 16
A? ............................... 19.4 16.4 558
Da ............................... 25.9 25.9 1347
Ei ............................... 18.7 18.7 1309
E2 ............................... 20.6 16.3 880
F 2 ............................... 1.1 1.1 74
Gt ................................ 1.5 1.5 142
G2 ............................... 19.2 19.2 1824
Ht ............................... 65.7 65.7 14980
H3 ................................ 9.0 9.0 1980
Ki ............................... 41.0 31.3 1972
T2 ............................... 11.2 11.2 1378
Ogróið land Eyrar ........................... 190.2
None-vegetated land: River-wash:
Hraun .......................... 16.9 Annað ógr. land .................... 475.6
Lavabeds: Other barren land:
Samtals ....................... 917.5 217.0 26460
Total