FISHERY BULLETIN: VOL. 78, NO. 2 



Appendix Table 3. — Three-way analysis of variance {or Paralichthys spp. postlarvae captured at buoy 32, 14-15 March 1978. Catch 



data are logjg (10 -I- X) transformed. 



Source 



df 



SS 



MS 



Source 



df 



SS 



MS 



Photoperiod, P 

 Tide, T 

 Sites, S 

 P X T 



0.3217 

 2.5208 

 1 .8388 

 0.2309 



0.3217 

 2 5208 

 0.3065 

 0.2309 



12.55* 



98.32- 



11.95- 



9.00- 



P X S 

 T X S 

 P X T 

 Error 



X S 



Multiple comparisons (Numbers in parentheses are mean catch for each stratum.) 



A. Photoperiod 



Night (50.3) >day (45.7) 



B. Tide 

 Flood(84.7)>ebb(11.1) 



C. Sites (Bonferroni (-tests: (* = 0.05) 



1. Depths: east and west: bottom (62.3) surface (37.8) 



2. Depths: channel 



Largest: middepth(89.8) surface(20.3) bottom(14.9): smallest 



3. Stations largest: east(79.3) channel(41.6) west(20.8): smallest 



D 



Photoperiod  tide (Bonferroni (-tests: « = 0.05) 



Largest: flood/night(87.0) flood./day(82.3) ebb/night (10.5) ebb/day(11.6): smallest 



Photoperiod x site (Bonferroni (-tests: 

 1 



0.05) 



Photoperiod ^ depth: east and west 

 Day: bottom(89.0) ~'Surface(3.4) 

 Night: ns' 



2. Photoperiod > depth: channel 



Day: largest: middepth(103.4) bottom(19.1) surface(1.9): smallest 

 Night: largest: middepth(76,1) surface(44.8) bottom(9.2): smallest 



3, Photoperiod x station 

 Day: ns 



Night: ns 



Tide • site (Bonferroni (-tests: a = 0.05) 



1. Tide  depth: east and west 

 Flood: ns 



Ebb: ns 



2. Tide  depth: channel 



Flood: largest: middepth(156.4) surface(29.4) bottom(12.4): smallest 

 Ebb: ns 



3. Tide * station 



Flood: largest: east(160.3) channel(66.l) west(35.5): smallest 

 Ebb: ns 



"Significant at « = 0.05. 



'ns — no significant difference(s). 



436 



