130 



Hutchinson, G.E. 1975. A treatise on limnology, v. 3. Wiley & Sons, 

 Inc. New York. 660 p. 



Huttunen, P. and J. Merilainen. 1986. Applications of multivariate 

 techniques to infer limnological conditions from diatom 

 assemblages. In J.P. Smol, R.W. Battarbee, R.B. Davis and J. 

 Merilainen (eds.). Diatoms and Lake Acidity. Dr. W. Junk 

 Publishers, Dordrecht. 307 p. 



Jackson, S.T. and D.F. Charles. 1988. Aquatic macrophytes in 



Adirondack (New York) lakes: patterns of species composition in 

 relation to environment. Can. J. Hot., 66: 1449-1460. 



Kilham, P. 1971. A hypothesis concerning silica and the freshwater 

 planktonic diatoms. Limnol. Oceanogr., 16(1): 10-18. 



Kratzer, C.R. and P.L. Brezonik. 1981. a Carlson-type trophic state 



index for nitrogen in Florida lakes. Water Resour. Bull., 17: 713- 

 715. 



Landers, D.H. 1982. Effects of naturally senescing aquatic 



macrophytes on nutrient chemistry and chlorophyll a of 

 surrounding waters. Limnol. Oceanogr., 27(3) 428-439. 



Line, J.M. and H.J.B. Birks. 1990. WACALIB version 2.1- a computer 

 program to reconstruct environmental variables from fossil 

 diatom assemblages by weighted averaging. Journal of 

 Paleolimnology, 3(2): 170-173. 



Lowe, R.L. 1974. Environmental requirements and pollution 



tolerance of freshwater diatoms. U.S. Environmental Protection 

 Agency Report EPA-670/4-74-005, National Environmental 

 Research Center, Cincinnati, Ohio. 334 p. 



Maceina, M.J. and J.V. Shireman. 1980. The use of a recording 

 fathometer for determination of distribution and biomass of 

 Hydrilla. J. Aquat. Plant Manage., 18: 34-39. 



Menzel, D.W. and N. Corwin. 1965. The measurement of total 



phosphorus in seawater based on the liberation of organically 

 bound fractions by persulfate oxidation. Limnol. Oceanogr., 10: 

 280-282. 



