Table 1. Total catches (by number and weight) of some of the economically important organisms 

 leaving the two study ponds, February 1983 through February 1985. 



2,8001 



o 3001 



o 



o 



>< 200 



U 

 0Q 



3 1001 



SAND SEATR0UT 



BROWN SHRIMP 



YEAR 1 



YEAR 2 



on 



Ld 



m 



Z 



O 



o 

 o 



Ixl 



m 



2E 



z 



150 



100 



SPOTTED SEATR0UT 



"1 



350 

 280 

 210 

 140" 

 70- 

 



WHITE SHRIMP 



YEAR 1 



YEAR 2 



NO WEIR DWEIR 



Figure 5. Total number of four important species caught each year from the ponds shown in 

 Figure 3. 



202 



