520 



BIOLOGY OF THE SEAS OF THE U.S.S.R. 

 Table 216 



Under one year 



One to two 

 years old 



Groups of marketable 

 age 



Form 



No. of No. of No. of 



specimens Centners specimens Centners specimens Centners 

 x 10~ 6 x 10- 3 x 10" 6 x lO" 3 x Ю- 6 x 10- 3 



Total approximately 



1,000 



6,000 



MONTHS/y VI VIII X 



MULTIPLICATION FROM 



APRIL TO JULY 

 GAIN IN THE YOUNG BY 

 SEPT. 100 THOUS. CENTNERS 



commercial yield 

 thous. cen. /48 4-14 238-6 3 4 

 months iv v VI -IX X XI 



Fig. 247. Diagram of population movements of Sea of 

 Azov Clupeonella in 1937 (Maisky). 



