480 References 



cond National), Ann Arbor, Michigan, 1967. CONF-670503, pp. 

 474-482. 



Pomeroy, L.R., L.R. Shenton, R.D.H. Jones and R.J. Reimold (1972) 

 Nutrient flux in estuaries. In Nutrients and Eutrophication: The 

 Limiting-Nutrient Controversy (G.E. Likens, Ed.). Special Sym- 

 posia, Vol. 1. American Society of Limnology and Oceanography, 

 pp. 274-293. 



Porter, K.G. (1973) Selective grazing and differential digestion of algae 

 by zooplankton. Nature, 244: 179-180. 



Poulsen, E.M. (1940) Biological remarks on Lepidurus arcticus Pallas 

 and Daphnia pulex De Geer and Chydorus sphaericus O.F.M. in 

 East Greenland. Meddelelser om Greenland, 131: 1-50. 



Prentki, R.T. (1976) Phosphorus cycling in tundra ponds. Ph.D. disser- 

 tation. University of Alaska, 275 pp. 



Prentki, R.T., M.S. Adams, S.R. Carpenter, A. Gasith, C.S. Smith and 

 P.R. Weiler (1979) The role of submersed weedbeds in internal load- 

 ing and interception of allochthonous materials in Lake Wingra, 

 Wisconsin, USA. Archiv fur Hydrobiologie Monographische 

 Beit rage, 51: 221-250. 



Prescott, G.W. (1953) Preliminary notes on the ecology of freshwater 

 algae in the Arctic Slope, Alaska, with descriptions of some new 

 species. American Mid/and Naturalist, 50: 463-473. 



Proper, G. and J.C. Carver (1966) Mass culture of the protozoan Col- 

 poda steinii. Biotechnology and Bioengineering, 8: 287-296. 



Prosser, C.L. (Ed.) (1973) Comparative Animal Physiology. Third edi- 

 tion. Philadelphia: W.B. Saunders Co., 966 pp. 



Rabinowitch, E. (1951) Photosynthesis and Related Processes. Volume 

 2, Part 1, pp. 603-1208. New York: Interscience. 



Rawson, D.S. (1953) Limnology in the North American Arctic and Sub- 

 arctic. Arctic, 6: 198-204. 



Rawson, D.S. (1960) A limnological comparison of twelve large lakes in 

 Northern Saskatchewan. Limnology and Oceanography, 5: 195-211. 



Reed, E.B. (1962) Freshwater plankton Crustacea of the Colville River 

 area, northern Alaska. Arctic, 15: 27-50. 



Reed, J. P. (1974) Benthic metabolism in arctic coastal ponds, Barrow, 

 Alaska. M.S. thesis. University of Cincinnati, 118 pp. 



Reimold, R.J. (1972) The movement of phosphorus through the salt 

 marsh cord grass, Spartina alterniflora Loisel. Limnology and 

 Oceanography, 17: 606-611. 



Reiss, F. and E.J. Fittkau (1971) Taxonomie und Okologie europaisch 

 verbreiteter Tanytarsus-Arten (Chironomidae Diptera). Archiv fur 

 Hydrobiologie (Suppl.), 40: 75-200. 



Remmert, H. (1969) Tageszeitliche Verzahnung der Aktivitat ver- 

 schiedener Organismen. Oecologia, 3: 214-226. 



