Fjölrit RALA - 15.01.2001, Síða 54

Hörður Kristinsson 1997. Uppruni og framvinda íslenzku flórannar. í: Nýgræðingar í flóranni (ritstj.
Auður Ottesn). Ráðstefna Félags garðyrkjumanna 21. og 22. febrúar 1997, bls. 6-9.
Jackson, M.L. 1958. Soil Chemical Analysis. Prentice-Hall Inc. Engelwood Cliffs, N.J.
Jón Guðmundsson 1991. Frærækt sem búgrein. í: Ráðunautafundur 1991. Búnaðarfélag íslands og
Rannsóknastofnun landbúnaðarins, bls. 15-25.
Karlsson, T. 1981. Den gammaldags lupinen i Sunnerbo. Svensk Bot. Tidskr. 75: 265-278.
Lid, J. 1998. Norsk flora ( ritstj. Elven, R.) 6. útgáfa. Det Norske Samlaget.
Longnecker, N., Brennan, R. og Robson, A. 1998. Lupin nutrition. í: Lupins as Crop Plants. Biology,
Production and Utilization (ritstj. Gladstones, J.S., Atkins, C.A. & Hamlin, J.). CAB Intemational,
Wallingford, UK., bls. 121-148.
Lonsdale, W.M. 1993. Rates of spread of an invading species - Mimosa pigra in northem Australia.
Joumal of Ecology 81: 513-521.
Lye, K.A. 1968. Moseflora. Universitetsforlaget, Oslo, 139 bls.
Maron, J.L. og Connors, P.G. 1996. A native nitrogen-fixing shrab facilitates weed invasion. Oecologia
105: 302-312.
Marrs, R.H. og Bradshaw, A.D. 1993. Primary succession on man-made wastes: the importance of
resource acquisition. í: Primary Succession on Land (ritstj. Miles, J. & Walton, D.W.H.). Special
publication number 12 of the British Ecological Society, bls. 221-248.
Michelsen, A., Graglia, E., Schmidt, I.K., Jonasson, S., Sleep, D og Quarmby, C. 1999. Differential
responses of grass and a dwarf shrub to long-term changes in soil microbial biomass C, N and P
following factorial addition of NPK fertilizer, fungicide and labile carbon to a heath. New Phytologist
143: 522-538.
Miller, L. 1988. How yellow bush lupin came to Humboldt Bay. Fremontia 16: 6-7.
Morris, F.W. og Wood, D.M. 1989. The role of lupine in succession on Mount. St. Helens: Faciliation
or Inhibition. Ecology 70: 697-703.
O’Leary, J.F. 1982. Habitat preferences of Lupinus (Fabaceae) in the westem transverse ranges of
Southem Califomia. The Southwestem Naturalist 27: 369-397.
Ólafur Amalds, Asa Aradóttir, Amór Snorrason, Grétar Guðbergsson, Þorbergur Hjalti Jónsson og
Anna María Ágústsdóttir 1999. Organic carbon sequestration by restoration of severely degraded areas
in Iceland. Fjörlrit RALA nr. 197. Rannsóknastofnun landbúnaðarins, 19 bls.
Ólafur Amalds, Grétar Guðbergsson og Jón Guðmundsson 2000. Carbon sequestration and reclamation
of severely degraded soils in Iceland. Búvísindi 13: 87-97.
Palaniappan, V.M., Marrs, R.H. og Bradshaw, A.D. 1979. The effect of Lupinus arboreus on the
nitrogen status of china clay wastes. Joumal of Applied Ecology 16: 825-831.
Pickart A.J., Miller, L.M. og Duebendorfer, T.E. 1998. Yellow bush lupine invasion in Northem
Califomia coastal dunes. Restoration Ecology 6: 59-68.
Roberts, R.D., Marrs, R.H., Skeffington, R.A. og Bradshaw, A.D. 1981. Ecosystem development on
naturally cononized china clay wastes. Joumal of Ecology 69: 153-161.
Sandgren, C.D. og Noble, M.G. 1978. A floristic survey of a subalpine meadow on Mt. Wright, Glacier
Bay National Monument, Alaska. Northwest Science 52: 329-336.
52