21 



Figure 3-9. Size Frequency Histograms for Nereis virens : Sheep Island 1991* 



z:) 



DM n = 19 



20- 



REF n = 40 



c 

 o 





n 



1 15- 



s- 



p- 







Percent of 

 1 1 



1 — I'-'l-'-'l-^m 



] 1 [ 









0- 



1 1 1 1 



1 ■ i'-'^l"'-! 1 



J| J. |., 



1 



OOOOOOOOr 1 1 , 1 1 1 I 1 io2 

 0^r^■^ly^\Or~000^OOOOOOOOOOfNCN 



Length (mm) 

 Figure 3-10. Size Frequency Histograms for Nereis virens : Sheep Island 1992* 



ZJ 





n 



20- 





DM n = 213 

 REF n = 37 



Percent of Population 



1 1 1 



In 



|-| 



n 



n 



0- 



1 1 



1. 



^. 



1 1 1 1 1 1 1 



OOOOOOOOi 1 1 1 1 1 I ■ I 1 



(Ncn-*iovor~-ooo\oooooooooo 



+ + 

 a^ o 

 O — ' 

 CN <N 



Length (mm) 



*DM = Constructed Intertidal Flat REF = Reference Site 



Ecological Monitoring of a Constructed Intertidal Flat at Jonesport, Maine 



