540 References 



Alaska, Fairbanks, Alaska (J.R. Luick, P.C. Lent, D.R, Klein and 

 R.G. White, Eds.). Biological Papers of the University of Alaska, 

 Special Report 1, pp. 297-307. 



Walker, D.A. (1977) Analysis of effectiveness of a television scanning 

 densitometer for indicating geobotanical features in an ice wedge 

 polygon at Barrow, Alaska. M.A. thesis. University of Colorado, 

 132 pp. 



Walker, D.A., P.J. Webber, K.R. Everett and J. Brown (1978) Effects 

 of crude and diesel oil spills on plant communities at Prudhoe Bay, 

 Alaska, and the derivation of oil spill sensitivity maps. Arctic, 31: 

 242-259. 



Walker, D.A. and P.J. Webber (1979) Relationships of soil acidity and 

 air temperature to the wind and the effect on vegetation at Prudhoe 

 Bay, Alaska. Arctic, 32: 224-236. 



Walker, H.J. (1973) Morphology of the North Slope. In Alaskan Arctic 

 Tundra: Proceedings of the 25th Anniversary Celebration of the 

 Naval Arctic Research Laboratory (M.E. Britton, Ed.). Arctic In- 

 stitute of North America Technical Paper 25, pp. 49-92. 



Walker, T.W. (1957) The sulphur cycle in grassland soils. Journal of 

 British Grassland Society, 12: 10-18. 



Wallace, L.L. and A.T. Harrison (1978) Carbohydrate mobilization and 

 movement in alpine plants. American Journal of Botany, 65: 1035- 

 1040. 



Wallwork, J. A. (1967) Acari. In Soil Biology (A. Burges and F. Raw, 

 Eds.). London: Academic Press, pp. 363-395. 



Walsh, J.E. (1977) Measurement of the temperature, wind and moisture 

 distribution across the northern coast of Alaska. Arctic and Alpine 

 Research, 9: 175-182. 



Warren Wilson, J. (1957) Arctic plant growth. Advancement of Science, 

 13: 383-388. 



Warren Wilson, J. (1966a) An analysis of plant growth and its control in 

 arctic environments. Annals of Botany, N.S., 30: 383-402. 



Warren Wilson, J. (1966b) Effect of temperature on net assimilation 

 rate. Annals of Botany, N.S., 30: 753-761. 



Watson, A. (1957) The behavior, breeding and food-ecology of the 

 snowy owl Nyctea scandiaca. Ibis, 99: 419-462. 



Watson, C.E. (1959) Climates of the states, Alaska. Climatography of 

 the United States No. 60-49. U.S. Department of Commerce, 24 pp. 



Watson, D.G., W.C. Hanson, J.J. Davis and C.E. Cushing (1966) Lim- 

 nology of tundra ponds and Ogotoruk Creek. In Environment of 

 the Cape Thompson Region, Alaska (N.J. Wilimovsky and J.N. 

 Wolfe, Eds.). Oak Ridge, Tenn.: U.S. Atomic Energy Commission, 

 pp. 415-435. 



Weaver, D.F. (1969) Radiation regime over arctic tundra, 1965. Univer- 



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