40 FISHES AND FISHERY METHODS 



IV. Production ceases to increase regardless of increased fishing effort; 

 production and stocks sometimes below optimum; costs moderately 

 to increasingly high. 



Flounder (A) Crab (A) Shrimp (G) Yellowfin 



Oysters (A) Striped Bass (A) Mullet (G) Tuna (P) 



y. Production declining and })elow optimum; lowest cost participants 

 maintain marginal fishery. 



Haddock (A) Oysters (A) Lake Trout (L) Mackerel (P) 



Ocean Perch (A) Croaker (A) Whitefish (L) Herring (P) 



Cod (A) Shrimp (A) Salmon (P) 



Mackerel (A) Mullet (A) Sardine (P) 



The above fisheries accounted for 81 per cent of the value and 91 per 

 cent of the volume of the 1959 total United States production. Those 

 in stages III, IV, and V are either in the mature or declining state as a 

 result of biological or economic factors. 



The statistics herein have been developed from those in Historical 

 Statistics of the United States, Colonial Times to 1957, U.S. Bureau of the 

 Census, 1959, which were verified and partly compiled by this author 

 and from the publications of the United States Bureau of Commercial 

 Fisheries, or predecessor agencies, and particularly from recent Annual 

 Statistical Digests compiled under the direction of Edward A. Power 

 whose critical examination of this text is gratefully acknowledged. 



