Calcification Relative to Calcification at Current pH
For a description of how these data are arranged, click here . Otherwise, begin by clicking on (1) the first letter of the common or scientific name, or (2) the natural community or ecosystem of the marine organism(s) for which you seek information, using the links below. Additionally, you may (3) view the calcification results of all marine organisms arrainged by category from the links contained in the yellow summary statistics table below.
Calcification Relative to Calcification at Current pH
Summary Statistics Table for all Organism Categories
Decline in pH from the Present
All Organism Categories
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
30
35
100
91
61
Number of Organisms
13
18
37
31
29
Data Table of Calcification Response by Organism Category Click on the links below to expand/view the data in each category by individual organism.
Decline in pH from the Present
Organism Category
0.0 to 0.09
0.09 to 0.17
0.17 to 0.3
0.3 to 0.5
More than 0.5
Bivalves
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
Bryozoans
Number of Results
0
0
0
1
1
Number of Organisms
0
0
0
1
1
Arithmetic Mean
0.00
0.00
0.00
1.09
0.22
Standard Error
0.00
0.00
0.00
0.00
0.00
Corals
Number of Results
13
13
44
31
22
Number of Organisms
4
6
9
7
7
Arithmetic Mean
1.16
0.76
0.98
0.64
0.34
Standard Error
0.55
0.17
0.14
0.14
0.11
Crustacean
Number of Results
0
0
5
5
3
Number of Organisms
0
0
4
4
3
Arithmetic Mean
0.00
0.00
1.11
1.28
1.95
Standard Error
0.00
0.00
0.09
0.18
0.21
Phytoplankton : Other
Number of Results
0
0
0
2
0
Number of Organisms
0
0
0
1
0
Arithmetic Mean
0.00
0.00
0.00
1.67
0.00
Standard Error
0.00
0.00
0.00
0.00
0.00
Echinoderms
Number of Results
0
2
7
5
11
Number of Organisms
0
2
5
3
5
Arithmetic Mean
0.00
2.72
1.76
0.98
1.25
Standard Error
0.00
1.47
0.78
0.06
0.52
Gastropods
Number of Results
4
0
4
0
4
Number of Organisms
4
0
4
0
4
Arithmetic Mean
0.73
0.00
0.94
0.00
0.43
Standard Error
0.31
0.00
0.51
0.00
0.37
Macroalgae
Number of Results
0
3
5
3
4
Number of Organisms
0
3
3
1
3
Arithmetic Mean
0.00
1.73
1.46
0.43
0.29
Standard Error
0.00
0.41
0.20
0.00
0.15
Netamodes
Number of Results
1
0
1
0
1
Number of Organisms
1
0
1
0
1
Arithmetic Mean
1.57
0.00
0.66
0.00
0.37
Standard Error
0.00
0.00
0.00
0.00
0.00
Phytoplankton : Coccolithophores
Number of Results
1
4
9
7
0
Number of Organisms
1
2
1
3
0
Arithmetic Mean
0.90
0.83
1.02
0.85
0.00
Standard Error
0.00
0.01
0.00
0.08
0.00
Phytoplankton : Foraminifera
Number of Results
0
0
7
10
0
Number of Organisms
0
0
5
5
0
Arithmetic Mean
0.00
0.00
1.00
0.95
0.00
Standard Error
0.00
0.00
0.09
0.22
0.00