4',' 



39- 



73* 72* 



UNITED 

 STATES 



£ 



-40" 



39' 



74" 73° 72* 71* 



70° 69° 



68° 



67' 66° 65* 64» 



Figure l.--Statistical subdivisions of Georges Bank and the Gulf of Maine. (ICNAF areas 5Y and 5Z). 



the commercial landings from Georges Bank 

 and the Gulf of Maine for 1956-60, thereby 

 completing publication of all of the basic 

 haddock data available for Georges Bank and 

 the Gulf of Maine since 1931. 



DEFINITION OF TERMS 



The terminology used to describe various 

 aspects of the North Atlantic haddock inves- 

 tigation has been presented in detail in the 

 publications cited above. To assist the reader 

 to understand the tables presented here, how- 

 ever, brief explanations are offered for the 

 basic terms employed. 



The statistical areas of the International 

 Commission for the Northwest Atlantic Fish- 

 eries, ICNAF 5Y and 5Z, referred to in the 

 tables and shown in figure 1, correspond to 

 previously published area designation as fol- 

 lows: ICNAF 5Y for areas in the north Gulf 

 of Maine (XXII B, C, and D) and the south 

 Gulf of Maine (XXII E and F); and ICNAF 

 5Z for areas in the east Georges Bank (XXII 

 J and M) and the west Georges Bank (XXII G, 

 H, N, O, Q, R, S, and T). 



Terms used here for time periods are 

 "haddock years" and "haddock seasons." The 

 "haddock year" differs from a calendar year 



