Calcification Relative to Calcification at Current pH

Bivalves

Statistics
  Decline in pH from the Present
  0.0 to 0.09 0.09 to 0.17 0.17 to 0.3 0.3 to 0.5 More than 0.5
Number of Results 11 13 18 27 15
Number of Organisms 3 5 5 6 5
Arithmetic Mean 0.61 0.65 0.55 0.40 0.18
Standard Error 0.25 0.10 0.13 0.10 0.08
 
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  Decline in pH from the Present
  0.0 to 0.09 0.09 to 0.17 0.17 to 0.3 0.3 to 0.5 More than 0.5
Organism Name No. Mean Std.
Err.
No. Mean Std.
Err.
No. Mean Std.
Err.
No. Mean Std.
Err.
No. Mean Std.
Err.
Argopecten irradians [Bay Scallop] 30.000.00 30.300.25 30.000.00 30.230.19 30.110.09
Crassostrea gigas [Pacific Oyster] 60.790.03 30.830.02 40.790.07 50.410.04 10.530
Crassostrea virginica [Eastern Oyster]     10.840.00 20.550.26 40.350.18 40.090.04
Mya arenaria [Soft Clam]     10.440     10.010 100
Mytilus chilensis [Chilean Mussel]         20.760.08 20.820.11    
Mytilus edulis [Blue Mussel] 21.030.08 50.840.13 70.660.08 120.560.08 60.190.11

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