Table 4. — Analysis of covariance of adjusted means and slopes of LoUgo pealei length-weight regressions. 



a. Between sexes: all seasons, areas, and years combined; by seasons (area and year pooled); by area (season and year 

 pooled); and by year (season and area pooled). 



Seasons 



Overall N/A^ 



Season: Spring N/A 



Summer 73 0.(X)l n.s. 



Autumn N/A 



Area: Mid-Atlantic N/A 



Southern New England N/A 



Georges Bank N/A 



Gulf of Maine^ — 



Year: 



Factor 

 Spring 



Spring 

 Summer 



Nova Scotia 

 1975 

 1976 

 1977 



vs. Summer 

 vs. Autumn 

 vs. Autumn 



N/A 

 N/A 

 N/A 

 N/A 



b. Between seasons: areas, years, and sexes pooled. 



4.5358 

 4.6422 



N/A 

 1,629 

 N/A 



60.993* 



c. Between pairs of areas: sexes, seasons, and years pcjled. 



Area comparison 

 Mid-Atlantic 



vs. S. New England N/A 



4.5432 

 4.6721 



4.5432 

 4.4403 



4.6721 

 4.4403 



N/A 



369 



435 



73 



0.747 n.s. 



4.287* 



4.396* 



d. Between pairs of years: sex, seasons, and areas combined. 



vs. 1977 



4.6200 

 4.5649 



4.6200 

 4.4379 



4.5649 

 4.4379 



1,501 



1,304 



632 



9.275** 



72.857** 



42.700* 



1,262 34.176" 



1,066 



704 



770 



926 



564 



630 



368 



434 



72 



1.785 n.s. 



0.066 n.s. 



0.010 n.s. 

 18.713*' 



0.044 n.s. 

 11.215** 



0.031 n.s. 



0.182 n.s. 



0.085 n.s. 



'• = PsO.05; •* = PsO.Ol; n.s. = not significant. 



^N/A = test of adjusted means not applicable since test of slopes is significant. 



^Sample size in the Gulf of Maine was inadequate for proper analysis. 



14 



