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Náttúrufræðingurinn - 1988, Síða 59

Náttúrufræðingurinn - 1988, Síða 59
HEIMILDIR Árni Snæbjörnsson & Óttar Geirsson 1980. Jarðvegsfræði. Bœndaskólinn á Hvanneyri, fjölritað handrit. 77 bls. Atvinnudeild Háskólans & I.J. Nygard 1959. Jarðvegskort af íslandi (1:750.000). í Björn Jóhannesson (1960). íslenskur jarðvegur. Bókaút- gáfa Menningarsjóðs Reykjavík. 134 bls. Birkeland, P.W. 1978. Soil development as an indication of relative age of quat- ernary deposits, Baffin Island, N.W.T., Canada. Arctic and Alpine Research 10. 733-747. Birkeland, P.W. 1984. Soils and Geo- morphology. Oxford University Press New York. 372 bls. Bjarni Helgason 1968. Basaltic soils of South-west Iceland. II. Journ. of Soil Science 19. 127-142. Björn Jóhannesson 1960. Islenskur jarð- vegur. Bókaútgáfa Menningarsjóðs Reykjavík. 134 bls. Bockheim, J.G. 1979. Properties and relative age of soils of Northwestern Cumberland Peninsula, Baffin Island, N.W.T., Canada. Arctic and Alpine Research 11. 289-305. Bockheim, J.G. 1980. Properties and classification of some desert soils in coarse-textured glacial drift in the Arctic and Antarctic. Geoderma 24. 45-69. Boulton, G.S. & D.L. Dent 1974. The nature and rates of post-depositional changes in recently deposited till from South-east Iceland. Geografiske Annaler 56A. 121-134. Boul, S.W., F.D. Hole & R.J. McCracken 1980. Soil Genesis and Classification, 2. ed. Iowa State Uni- versity Press Ames. 404 bls. Chepil, W.S. & N.P. Woodruff 1963. The physics of wind erosion and its control. Advances in Agron. 15. 211-302. Elín Gunnlaugsdóttir 1982. Vegetation development during restoration of ero- ded areas managed by the Icelandic State Soil Conservation. Studies in permanent plots in and near fenced areas 1974—1980. Meddel. f. Vaxtbiol. Institutionen Uppsala 4. 115 bls. Friedman, J.D., C.E. Johannson, N. Osk- arsson, H. Svensson, S. Thorarinsson & R.S. Williams, jr. 1971. Observa- tions on Icelandic polygon surfaces and palsa areas. Photo interpretation and field studies. Geografiska Annaler 53 A. 115-145. Forman, S.L. & G.H. Miller 1984. Time- dependent soil morphologies and pedogenic processes on raised beaches, Bröggerhalvöya, Spitsbergen, Svalbard Archipelago. Arctic and Alpine Re- search 16. 381-394. Halldór Þorgeirsson, Ólafur Arnalds & Grétar Einarsson 1982. Uppgræðslutil- raunir á Auðkúlu- og Eyvindarstaða- heiði. Áfangaskýrsla 1981. Fjölrit Rala 83. 25. bls. Ingvi Þorsteinsson 1978. Gróður og land- nýting. Lesarkir Landverndar 3. 45 bls. Kernper, W.D. & W.S. Chepil 1965. Size distribution of aggregates. í Methods of Soil Analysis. (Black, C.A. o. fl. ritstj.) Agronomy no 9. American Society of Agronomy Madison. 539-579. Maeda, T., H. Takenaka & B.P. War- kentin 1977. Physical properties of allophane soils. Advances in Agro- nomy 29. 229-264. Nelson, D.W. & L.E. Sommers 1982. To- tal carbon, organic carbon, and organ- ic matter. I Methods of Soil Analysis (Page, A.L. og fl. ritstj.). Agronomy no 9 (part 2) American Society of Agronomy Madison. 539-579. Ólafur Arnalds & Friðrik Pálmason 1986. Jarðvegur í landgræðslutilraunum á virkjanasvæði Blöndu. Fjölrit Rala 118. 21 bls. Ólafur Arnalds, Ása L. Aradóttir & Ingvi Þorsteinsson 1987. The nature and restoration of denuded land in Iceland. Arctic and Alpine Research 19. 518-525. Rickert, D.A. & J.C.F. Tedrow 1967. Pedologic investigations on some aeol- 113

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