Table 214. —Bathymetric occurrence of Siliqua costata, 

 based on 32 samples and 104 specimens. 



Table 218.— Bathymetric occurrence of Macoma balthica. 

 based on 45 samples and 783 specimens. 



Depth range (m) 



Percentage of 



Samples 



Specimens 



Depth range (m) 



Percentage of 



Samples 



Specimens 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



15.6 



31.3 



46.9 



3.1 



3.1 



11.5 



41.4 



39.4 



6.7 



1.0 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



42.2 



8.9 



24.4 



17.8 



6.7 



76.5 

 4.1 



16.1 

 2.9 

 0.4 



Total 



100.0 



100.0 



Total 



100.0 



Table 215. 



-Occurrence of Sil iqua costata in bottom 

 sediments, based on 30 samples and 96 specimens. 



Table 219. — Occurrence of Macoma balthica in bottom sediments, 

 based on 44 samples and 782 specimens. 



Bottom type 



Percentage of 



Samples 



Specimens 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Total 



96.7 

 3.3 



96.9 

 3.1 



Bottom type 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Total 



Percentage of 



Samples 



2.3 

 4.5 

 2.3 



2.3 

 22.7 

 31.8 



11.4 

 22.7 



100.0 



Specimens 



1.9 

 1.2 

 2.8 



0.1 

 46.8 

 13.8 

 12.7 

 20.7 



100.0 



Table 216. --Bathymetric occurrence of Tellinidae, 

 based on 26 samples and 67 specimens. 



Table 220. --Bathymetric occurrence of Macoma calcarea. 

 based on 75 samples and 542 specimens. 



Depth range (m) 



Percentage of 



Samples 



Specimens 



Depth range (m) 



Percentage of 



Samples 



Specimens 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



65.4 



15.4 



15.4 



3.8 



73.1 

 7.5 



17.9 

 1.5 



0-24 



25-49 



50-99 



100-199 



200-499 



500-999 



1000-1999 



2000-3999 



10.7 

 9.3 

 30.7 

 25.3 

 21.3 

 2.7 



15.9 

 25.3 

 26.4 

 26.5 

 5.2 

 0.7 



Total 



100.0 



Total 



Table 217.- 



■Occurrence of Tellinidae in bottom sediments, 

 based on 26 samples and 67 specimens. 



Table 221. — Occurrence of Macoma calcarea in bottom sediments, 

 based on 70 samples and 534 specimens. 



Bottom type 



Percentage of 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shell 



Sand 



Silty sand 



Silt 



Clay 



Samples 



7.7 



30.8 



46.2 



7.7 



3.8 



Specimens 



3.0 

 29.8 

 47.8 

 16.4 



1.5 



Bottom type 



Percentage of 



Gravel 



Sand-gravel 



Till 



Shell 



Sand-shel 1 



Sand 



Silty sand 



Silt 



Clay 



Samples 



2.9 

 2.9 

 17.1 



24.3 



28.6 



7.1 



17.1 



Specimens 



0.6 

 0.9 

 6.9 



44.2 

 35.6 

 2.2 

 9.6 



Total 



Total 



100.0 



100.0 



158 



