45 



400 



> 



UJ 



S 300 



3 



z 



100- 



Legend: 







IB Single-Rig 



723 



Vessels 



L:^ uouble-Kig 



2059 



Vessels 





2782 



Total 



JLA 



S-9 10-19 20-29 30-39 40-49 50-59 60-69 70-79 80-89 90-99 



GROSS TONS 



Fig. 3 - Number of shrimp-fishing vessels over 5 -gross tons oper- 

 ating in the Gulf of Mexico (U. S. A.) during 1964, single- and 

 double -rig. 



SINGLE-RIG 



Legend : 

 ■i 1963- 

 E3 1964- 



646 Vessels 

 723 Vessels 



FOOTROPE LENGTH IN FEET 



DOUBLE-RIG 



Legend ; 

 ^ 1963- 

 EI3 1964 • 



2051 Vessels 

 2059 Vessels 



FOOTROPE LENGTH IN FEET (2 nets) 



Fig. 5 - Number of shrimp-fishing vessels and their trawl net size, 

 operating in the Gulf during 1963 and 1964, single- and double - 

 rig shown separately. 



S 



3 100 



35-39 40-44 45-49 50-54 55-59 60-«4 6»9 70-74 75-79 



FEET(LOA) 



Fig. 4 - Length (LOA) and number of shrimp vessels operating in 

 the Gulf of Mexico during 1964. Total vessels: 2,782. 



50-99 100 



VESSEL HORSEPOWER 



Fig. 6 - Number of shrimp vessels and their main engine horse- 

 power, operating in the Gulf of Mexico during 1964--single- and 

 double -rig combined. 



