Declined in meat quality 790 



numbers 135, 266 



slowly 69 4 



Declines in effectiveness 741 



industry 150, 152 



Declining 575 



incidence of hepatitis 1008 



production 1033 _ 



Decompose H2O2 86 8 

 Decomposition 123 

 Decrease current force 380 



in abundance in southern part of range 1810 



catch per unit of effort 801 



coliform levels 233 



demand 929 



growth rate 220 



Decreased amplitude 1099 



average stream temperature in winter 1474 



density of clams 965 



intertidally 1068 



membrane resistance 1853 



predation 1904 



significantly 1431 



with depth of burial 1068, 2024 



water subtidally 1068, 2024 



Decreases amplitude and frequency 701 



in illumination 2007 



when valves are closed 688 



Dee River, England (see also River Dee) 824, 1661, 1914 

 Defense 322, 572 



mechanisms 95, 1820 



, internal 323, 329, 334, 1226, 1559 



Degradation 1331 



Degraded 331 



, partially 1266 



Degranulation 335, 598 



Dehydratase 611 



Dehydration, resistant to 1346 



Dehydrogenase 328, 334 



Delaware/Delaware Bay 172, 229, 287, 357, 372, 379, 409, 512, 548, 573, 832, 

 885, 886, 962, 964, 965, 1055, 1164, 1216, 1253, 1254, 1255, 1256, 1274, 1336, 1385, 

 1414, 1498, 1514, 1667, 1668, 1893, 1950 



Delrad 436 



Demand 65, 66, 150, 152, 575, 974 



for large quahogs 2110 



Demonstrated their fitness 1142 



Dense bands in fibers which appear to be diamond lattice pattern 926 



674 



