516 References 



Lewis Smith, R.I. and D.W.H. Walton (1975) South Georgia, subant- 

 arctic. In Structure and Function of Tundra Ecosystems: Papers 

 Presented at the IBP Tundra Biome V International Meeting on Bio- 

 logical Productivity of Tundra, Abisko, Sweden, April 1974 (T. 

 Rosswall and O.W. Heal, Eds.). Ecological Bulletins 20. Stock- 

 holm: Swedish Natural Science Research Council, pp. 399-423. 



Lieske, B.J. and L.A. Stroschein (1968) Radiative regime over arctic tun- 

 dra. University of Washington Department of Atmospheric Sci- 

 ences, Scientific Report on Contract ONR-477(24), 31 pp. 



Likens, G.E. and F.H. Bormann (1972) Nutrient cycling in ecosystems. 

 In Ecosystem Structure and Function: Proceedings of the Annual 

 Biology Colloquium, 31 (J.H. Wiens, Ed.). Corvallis: Oregon State 

 University Press, pp. 25-61 . 



Likens, G.E., F.H. Bormann, R.S. Pierce, J.S. Eaton and N.M. 

 Johnson (1977) Biogeochemistry of a Forested Ecosystetn. New 

 York: Springer-Verlag, 146 pp. 



Linell, K.A. (1973) Long-term effects of vegetative cover on per- 

 mafrost stability in an area of discontinuous permafrost. In Perma- 

 frost: North American Contribution to the Second International 

 Conference. Washington, D.C.: National Academy of Sciences, pp. 

 688-693. 



Linkins, A.E. and R.K. Antibus (1978) Ectomycorrhizal fungi of Salix 

 rotundifolia Trautv. II. Impact of surface applied Prudhoe Bay 

 crude oil on mycorrhizal root respiration and cold acclimation. Arc- 

 tic, 31: 381-391. 



Lord, N.W., J. P. Pandolfo and M.A. Atwater (1972) Simulation of 

 meteorological variations over arctic coastal tundra under various 

 physical interface conditions. Arctic and Alpine Research, 4: 189- 

 209. 



Luxton, M. (1972) Studies on the oribatid mites of a Danish beech wood 

 soil. I. Nutritional biology. Pedobiologia, 12: 434-463. 



McCown, B.H. (1973) The influence of soil temperature on plant growth 

 and survival in Alaska. Proceedings of the Symposium on the Im- 

 pact of Oil Resource Development on Northern Plant Communities: 

 Presented at the 23rd AAAS Alaska Science Conference, Fairbanks, 

 Alaska, 17 August 1972 (B.H. McCown and D.R. Simpson, Coor- 

 dinators). University of Alaska, Institute of Arctic Biology, Occa- 

 sional Publications on Northern Life 1, pp. 12-33. 



McCown, B.H. (1975) Physiological responses of root systems to stress 

 conditions. In Physiological Adaptations to the Environment (F.J. 

 Vernberg, Ed.). New York: Intext Educational Publishers, 225-237. 



McCown, B.H. (1978) The interaction of organic nutrients, soil nitro- 

 gen, and soil temperature on plant growth and survival in the arctic 

 environment. In Vegetation and Production Ecology of an Alaskan 



