The Distribution of H ,S in the Lake of Faro 



197 



OXYGEN 



III IV 



1960 



V VI VII VIII IX 

 MONTHS 



XI XII I 

 1961 



Fig. 2. Vertical variation of the transition zone between the layer contain- 

 ing oxygen and the lower one containing hydrogen sulphide. 



posium of the "Commission Internationale pour I'exploration 

 scientifique de la Mer Mediterranee" held in December 1960 in 

 Monaco. 



In the samples collected in the red tide zone, the water was 

 more or less rose-colored, and was present only for about 1 m 



0- 

 5- 



10- 

 IS 



Q. 



^ 20 



25- 

 28- 



Fig. 3. Profile EW through the center of the lake of Fargo. 



