Table 17. Covariance analysis o£ oxygen consiunption and live weight regressions of white perch'. 



Comparison 

 Experimental 



Individuals 



(No.;) 



Residual variance 



Slope 



Elevat 



ion 



Mean squared 



Degrees of 

 freedom- 

 probability 



Mean squared 



Degrees of 

 freedom- 

 probability 



Mean squared 



Degrees of 

 freedom- 

 probability 



9 

 11 



0.349 

 0.107 



9, 7 

 p < 0.05 



0.028 

 0.098 



1, 16 

 2 



0.033 

 0.164 



1, 17 



p < 0.05 



'At swimming speeds of 1.58 ft/s in filtered water after 72-hour exposure to 2.58 g 1"^ natural sediment and 



under base-line conditions. 

 ^Not significant. 



Table 18. Covar: 



ance analysis 



of oxygen consumption and 1 



ive weight regressions of ma] 



e and female toadfish. 



Comparison 



Individuals 

 CNo.) 



Residual 



variance 



Slope 



Elevation 



Mean squared 



Degrees of 

 freedom- 

 probability 



Mean squared 



Degrees of 

 freedom- 

 probability 



Mean squared 



De^ees of 



freedom- 

 probability 



Fuller's earth 1 



Males 

 Females 



8 

 11 



0.033 

 0.020 



6, 9 



--1_2 



0.043 

 0.025 



1, 15 



0.011 

 0.026 



1. 6 



Natural sediment^ 



Males 



Females 



14 

 6 



0.005 

 0.011 



12, 4 



0.052 

 0.006 



1, 16 

 p < 0.01 



0.099 

 0.009 



1, 17 

 p < 0.01 



Filtered water'* 



Males 

 Females 



14 

 6 



0.042 

 0.014 



12, 4 



0.001 

 0.035 



1, 16 



0.061 

 0.033 



1, 17 



Natural sediment^ 



Males 



Females 



14 

 6 



0.028 

 0.092 



12, 4 



0.014 

 0.044 



1., 16 



0.013 

 0.043 



1. 17 



Base line* 



Males 

 Females 



11 

 9 



0.032 

 0.014 



9, 7 



0.008 

 0.024 



1, 16 



0.068 

 0.023 



1, 17 



^Tested in 2.2a g 1"^ fuller's earth. 



^Not significant. ~^ 



^In 1.58 g 1"^ natural sediment. 



^In filtered river water after 72-hour exposure to 10.37 g 1"^ natural sediment. 



^In 3.36 g 1"^ naturai" sediment after 72-hour exposure to 11.09 g 1"^ natural sediment. 



^Under base-line conditions. 



50 



