18 



Figure 3-6. Size Frequency Histograms for Mya arenaria: Sheep Island 1991* 

 50 



40- 



-fSOH 



o 



20 



10- 



DM n = 75 

 REP n = 38 



'^ir)Oir)0>/^ow^o>i->oir)Oi/^om + 



'—' I I I I I I I I I I I I I I I 00 



OVO"— i^O-— i^— i^— '^' — ivo-— i^"— ' 



Length (mm) 



Figure 3-7. Size Frequency Histograms for Mya arenaria : Sheep Island 1992* 

 50 



40- 



30- 



20 



10- 



DM n = 228 

 REF n = 92 



1^ m o m o w^ o 



(^ ^^ cs cs r^ ro ■^ 



O ^ ^- VD '- M3 



-^ -^ (N cs t^ m 



*DM = Constructed Intertidal Flat REF = Reference Site 



Ecological Monitoring of a Constructed Intertidal Flat at Jonesport, Maine 



