PRIMARY PRODUCTIVITY 39I 



Aquatic Environments. R. A. Vollenweider (Ed.), International Biological 



Program Handbook 12, Blackwell Scientific Publications, Oxford. 

 Simmons, G. M., and B. J. Armitage, 1974, Evaluation of Heated Water 



Discharge on Phytoplankton Blooms in the Potomac River, Hydrohiologia, 



45: 441-465. 

 Snedecor, G. W., and W. G. Cochran, 1967, Statistical Methods, 6th ed., Iowa 



State University Press, Ames. 

 Sorokin, C, and J. Myers, 1953, A High Temperature Strain of Chlorella, 



Science, 117: 330-331. 

 Tilly, L|. J., 1973, Comparative Productivity of Four Carolina Lakes, Am. Midi. 



Nat., 90: 356-365. 

 , 1974, Periphyton Colonization and Productivity in the Reactor Cooling 



Reservoir — Par Pond, paper presented at the 35th Annual Meeting of the 



Association of Southeastern Biologists, Savannah, Ga., April 18—20, 1974. 

 , 1975, Periphyton Crops and Productivity in a Reactor Thermal Effluent, 



paper presented at the 38th Annual Meeting of the American Society of 



Limnology' and Oceanography, Halifax, Nova Scotia, June 23 — 26, 1975. 

 Warinner, J. E., and M. L. Brehmer, 1966, The Effects of Thermal Effluents on 



Marine Organisms, /n^ J. Air Water Pollut., 10: 277-289. 



