Table A2— Pooled analysis of covariance for subsample 

 and sample variation for five selected trips. 



Source of variation 



DF 



SS 



MS 



F 





Total 



848 



6.908 



0.0081 







Among samples 



8 



0.052 



0.0065 



1 NS 





Among subsamples 



58 



0.707 



0.0122 







Regression coefficients 



29 



0.236 



0.OO81 



1.02 



NS 



Adjusted means 



29 



0.471 



0.0162 



2.05 



"(l) 



Within subsamples 



782 



6.149 



0.0079 







(2\ 

 Common subsample variation* ' 



811 



6.38 5 



0.0079 







(1) * = significant at 5% level 

 ** = significant at 1% level 

 NS = non-significant 



(2) For testing adjusted means among subsamples 



Table A4- Pooled analysis of covariance between size 

 categories. 



Total 



Common 



Within 



Between rear ess ion 

 coefficients 



Between adjusted means 



Regression coefficients 

 Adjusted means 



2573 



20.439 



. 0079 



2557 



18.146 



0.0071 



2541 



17.915 



O.007O 



16 



0.231 



0.0144 



16 



2.293 



0.1433 



Approximate 



test 





Size categor 



ies 0.0144(df = 16) 



Subsamples 0.0081 (df = 29) 

 Size categories 0.1433(df = 16) 

 Subsamples 0.0162(df = 29) 



Table A3.— Pooled analysis of covariance among sam- 

 ples within each factor combination, i.e. each cell of 

 Table 1. 



Table A5— Pooled analysis of covariance between years 

 for identical months and areas. 



Source of variation 



Source of variation 





Large Haddock 







Total 



4708 



35.497 



.0075 



Common 



4679 



33.696 



.0072 



Within 



4650 



33.384 



.0072 



Between regression 









coefficients 



29 



0.312 



0.0108 



Between adjusted means 



29 



1.801 



0.0624 



Among samples 



58 



2.113 



0.0364 





Samples 



0.0108 





Adjusted means 



Subsamples 0.0081 



Samples 0.0624 (df = 29) 

 Subsamples 0.0162 (df = 29) 



F = 3.85 •• 





Scrod Haddock 







Total 



615 





4.688 



0.0076 



Common 



610 





4.422 



0.0072 



Within 



605 





4.319 



0.0071 



Between regression 











coefficients 



5 





0.103 



C.02 06 



Between adjusted means 



5 





0.266 



0.0532 



Among samples 



10 





0.369 



0.0369 



Regression coefficients 



Samples 



0. 



0206 (df ■ 



5) 



F = 2. 



Adjusted means 



Subsamples 0.0081 (df = 29) 



Samples 0.0532 (df =5) p - 3.28« 



Total 



Common 



Within 



Between regression 

 coefficients 



Between adjusted means 



Large Haddock 



2992 23.928 



2984 

 2976 



8 

 8 



23.241 

 23.061 



0.180 

 0.687 



0080 

 0078 

 0077 



0225 



08 59 



Regression coefficients 

 Adjusted means 



Approximate test 



Years 0.022 5 (df = 8) 



Samples 0.0108 (df = 29) 



Years 0.0859 (df = 8) 



Samples 0.0624 (df = 29) 

 Scrod Haddock 



= 2.08 NS 

 = 1.38 NS 



Total 



600 



3.521 



0.0059 



Common 



595 



3.431 



0.0058 



Within 



590 



3.362 



0.0057 



Between regression 









coefficients 



5 



0.069 



0.0138 



Between adjusted means 



s 



0.090 



0.018C 



Subsaaples 0.0162 (df = 29) 



Regression coefficients 

 Adjusted means 



Approximate test 



Years .0138 (df = 5) p 

 Samples .0206 (df = 5) 



Years 0.0180 (df = 5) 

 Samples 0.0532 (df = 5) 



11 



