152 



Conservation Department 





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SOUTH STAT/O/V 



NORTH STATION 



SOUW STKTIOH 



NORTH STAT/ OH 







Chart 5. Diatoms in net plankton of Cayuga, Seneca and Oneida lakes. 

 Scale (number of organisms per liter of water). 

 1 space = 500; . = less than 100; . . =100-200. 

 Scale for Oneida lake: 



1 space = 5000; . = less than 1000; . . = 1000-2000. 

 Genera observed: Asterionella, Fragilaria, Tabellaria, Stephanodiscus - 



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Chart 8. Diatoms in nannoplankton of Cayuga, Seneca and Oneida lakes. 

 Scale (number of organisms per liter of water). 

 1 space = 5000. 



Genera observed: Cyclotella, Melosira, Stephanodiscus, Synedra -CS, 

 Asterionella, Fragilaria, Tabellaria. 



