526 References 



ecosystems. In Functioning of Terrestrial Ecosystems at Primary 

 Production Level: Proceedings of the Copenhagen Symposium (F.E. 

 Eckardt, Ed.). Natural Resources Research 5. Paris: UNESCO, pp. 

 95-105. 



Parinkina, O.M. (1974) Bacterial production in tundra soils. In Soil 

 Organisms and Decomposition in Tundra: Proceedings of the Mi- 

 crobiology, Decomposition and Invertebrate Working Groups Meet- 

 ing, Fairbanks, Alaska, August 1973 (A.J. Holding, O.W. Heal, 

 S.F. MacLean, Jr. and P.W. Flanagan, Eds.). Stockholm: Interna- 

 tional Biological Programme Tundra Biome Steering Committee, 

 pp. 65-77. 



Parker, G.R. (1972) Biology of the Kaminuriak population of barren- 

 ground caribou. Part I. Total numbers, mortality, recruitment, and 

 seasonal distribution. Canadian Wildlife Service Report Series 20, 

 95 pp. 



Parkhurst, D.F. and O.L. Loucks (1972) Optimal leaf size in relation to 

 environment. Journal of Ecology, 60: 505-537. 



Parkinson, D. (1971) Studies on fungi in Canadian aspen forest soils. In 

 Productivity of Forest Ecosystems: Proceedings of the Brussels 

 Symposium (P. Duvigneaud, Ed.). Paris: UNESCO, pp. 425-430. 



Parkinson, D., S. Visser and J.B. Whittaker (1977) Effects of Collem- 

 bolan grazing on fungal colonization of leaf litter. In Soil Organ- 

 isms as Components of Ecosystems: International Soil Zoology Col- 

 loquium, Uppsala, Sweden, June 21-25, 1976(1]. Lohn and T. Pers- 

 son, Eds.). Ecological Bulletins 25. Stockholm: Swedish Natural 

 Science Research Council, pp. 75-79. 



Patterson, P.M. (1943) Some ecological observations on bryophytes. 

 The Bryologist, 46: 1-13. 



Patterson, R.P., D.L. Grunes and D.J. Lathwell (1972) Influence of 

 root-zone temperature and P supply on total and inorganic P, free 

 sugars, aconitase and soluble amino N in corn. Crop Science, 12: 

 227-230. 



Paul, E.A., V.O. Biederbeck, W.E. Lowe and J.R. Willard (1973) Soil 

 microorganisms. I: Population dynamics of bacteria and actinomy- 

 cetes. Canadian Committee for the International Biological Pro- 

 gram Technical Report No. 37, Matador Project. 



Payne, T.C. et al. (1951) Geology of the Arctic Slope of Alaska. Oil and 

 Gas Investigation Map OM 126. U.S. Geological Survey, Washing- 

 ton, D.C. 



Payton, I.J. and D.J. Brasch (1978) Growth and nonstructural car- 

 bohydrate reserves in Chionochloa rigida and C macra, and their 

 short-term response to fire. New Zealand Journal of Botany, 16: 

 435-460. 



Pearson, O.P. (1966) The prey of carnivores during one cycle of mouse 



