76-77 78-79 80-81 82-83 84-85 86-87 

 YEAR 



110 

 100- 

 -§■ 90 

 S 80 



76—77 7S— 79 80—81 82-83 84-85 86-87 

 YEAR 



110 



100 

 90 

 80- 

 70- 



60 



76—77 78-79 80-81 82-83 84—85 86-87 

 YEAR 



Fig. 10. The annual mean length and 95% confidence interval of grubby taken by trawl at stations IN, NR, and JC. 



Fish Ecology Studies 279 



