272 



Fishery Bulletin 101(2) 



-O--- Data 

 Model Fits 



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0.25 



5 02 



15 



1 



0.05 



1-0— 6<x)2- 



1950 1960 1970 1980 1990 2000 



Tuning year (data collection year + 7) 



Figure 8 



Observed and predicted probability of positive tows (at least one juvenile 

 cowcod, an index of juvenile presence used to track recruitment) for Los 

 Angeles City and Orange County Sanitation Districts (LAOCSD) bottom 

 trawl surveys. "Data" are trawl survey data. "Model fits" are predicted 

 values from the stock assessment model fitted to the data. 



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85 95 65 75 85 95 



Figure 9 



Log scale mean catch per unit of effort (CPUE) for cowcod from the Poisson model for commercial passenger fishing 

 vessel logbook data. Smooth lines were fitted by LOESS (locally weighted regression smoothing) (Cleveland et al., 

 1988) to show trends 



