Water Source 



Interacting Organism 



Observed Effects 

 in Filtered Water 



Reference Source 



Pond water containing 

 bloom of Ceratuim 

 hirundinella 



Pond water containing 

 bloom of 

 Spirogyra (sp) 



Pond water containing 

 bloom of Pandorina 



Pond water containing 

 bloom of Anabaena 

 spiroides and Micro - 

 cystis aeruginosa ; 

 also blooms of 

 Crypto monas sp . , and 

 Lyngbya aesturaii 



Cosmarium lundellii 



C . obstusatum 



Phormldium uncinatum 



Nitzschia palea 



Scenedesmus quadricauda 



Ghlorella pyrenoidosa 



Pediastrum clathratum 

 var . punctulatum 



_P . boryanum 

 Nitzschia palea 

 Cosmarium lundellii 

 Phormidium uncinatum 



Ghlorella vulgaris 



Nitzchia frustulum 

 Haematococcus pluvialis 



Complete inhibition 

 with death of cells 



Inhibition of growth 



Inhibition of growth 



Complete inhibition 

 with death of cells 



Inhibition of growth 



Inhibition of growth 

 Variable Inhibition 



Lefevre , Jakob 

 and Nisbet (195 2) 



Rice (1954) 



Rice (1954) 

 Proctor (195 7) 



52 



