466 References 



Fenchel, T. and C.C. Lee (1972) Studies on ciliates associated with sea 

 ice from Antarctica. I: The nature of the fauna. II: Temperature re- 

 sponses and tolerances in ciliates from antarctic, temperate and 

 tropical habitats. Archiv fur Protistenkunde, 114: 231-236 and 

 237-244. 



Fenchel, T. and B.J. Straarup (1971) Vertical distribution of photosyn- 

 thetic pigments and the penetration of light in marine sediments. 

 Oikos, 22: 172-182. 



Ferguson, R.L. and P. Rublee (1976) Contribution of bacteria to stand- 

 ing crop of coastal plankton. Limnology and Oceanography, 21: 

 141-145. 



Fife, C.V. (1959) An evaluation of ammonium fluoride as a selective ex- 

 tractant for aluminum-bound soil phosphate. II. Preliminary 

 studies on soils. Soil Science, 87: 83-88. 



Fischer, J. (1969) Zur Forlpflanzungs-biologie von Chironomus nuditar- 

 sis Str. Revue Suisse de Zoologie, 76: 23-55. 



Fisher, D.W., A.W. Gambell, G.E. Likens and F.E. Bormann (1968) At- 

 mospheric contributions to water quality of streams in the Hubbard 

 Brook Experimental Forest, New Hampshire. Water Resources Re- 

 search, 4: 1115-1126. 



Fitzgerald, G.P. and T.C. Nelson (1966) Extractive and enzymatic analy- 

 ses for limiting or surplus phosphorus in algae. Journal of Physiol- 

 ogy, 2: 32-37. 



Flanagan, P.W. and F.L. Bunnell (In press) Microflora activities and de- 

 composition. In An Arctic Ecosystem: The Coastal Tundra at Bar- 

 row, Alaska (J. Brown, F.L. Bunnell, P.L. Miller and L.L. Tieszen, 

 Eds.). Stroudsburg, Pa.: Dowden, Hutchinson and Ross, Chap. 9. 



Fogg, G.E. (1965) Algal Cultures and Phytoplankton Ecology. Madison: 

 University of Wisconsin Press, 126 pp. 



Francisco, D. (1970) Glucose and acetate utilization by the natural 

 microbial community in a stratified reservoir. Ph.D. dissertation. 

 University of North Carolina, Chapel Hill, 83 pp. 



Francisco, D.E., R.A. Mah and A.C. Rabin (1973) Acridine orange- 

 epifluorescence technique for counting bacteria in natural waters. 

 Transactions of the American Microscopical Society, 92: 416-421. 



Frink, C.R. (1969) Chemical and mineralogical characteristics of 

 eutrophic lake sediments. Soil Science Society of America, Proceed- 

 ings, 33: 369-372. 



Fuhs, G.W., S.D. Demmerle, E. Canelli and M. Chen (1972) Character- 

 ization of phosphorus-limited plankton algae. In Nutrients and 

 Eutrophication: The Limiting-Nutrient Controversy (G.E. Likens, 

 Ed.). Special Symposia, Vol. 1. Lawrence, Kansas: American Soci- 

 ety of Limnology and Oceanography and Allen Press, pp. 113-133. 



Gardner, M.R. and W.R. Ashby (1970) Connectance of large dynamic 

 (cybernetic) systems: Critical values for stability. Nature, 228: 784. 



