B E F G W 

 P F I N P 



I— Aug-Feb— I 



B E F G W 

 P F I N P 



I — Nov-Moy— I 



E F G W 

 F I N P 



-Feb-Aug — I 



B E F G W 

 P F I N P 



I— May-Nov— I 



T. JUVENILES 



Figure 9. Mean numercial abundance of the wood-boring mollusca, Teredo navalis. Teredo bartschi and Teredo 

 juveniles (< 5 mm in length), in six-month exposure panels collected from 1979-1986 in the vicinity of the 

 Millstone Nuclear Power Station. 



abundant near the surface, T. navalis was much more destructive. Therefore, general wood-loss in panels 

 was greater near the bottom. 



21 



