Ocean Acidification Database

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Results are tabulated by response, including calcification, fertility, growth, metabolism and survival. The blue summary statistics table below lists the total number of results (records) and the total number of organisms contained in the database. The yellow table presents a statistical summary of the data by response category. To begin, click on the response you are interested in from the links in this second table. Further information about this databse can be obtained by visiting the following links: Background and Introduction, Description of the Database Tables, or Results and Conclusions.


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 74 93 372 295 794
Number of Organisms 24 37 86 75 89
 
Summary Data Table of Acidification Results by Response 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
Calcification Number of Results 30 35 98 88 61
Number of Organisms 13 18 36 30 29
Arithmetic Mean 0.91 1.12 1.08 0.83 0.64
Standard Error 0.22 0.25 0.14 0.09 0.15
Fertility Number of Results 0 0 21 36 90
Number of Organisms 0 0 6 14 15
Arithmetic Mean 0.00 0.00 0.95 0.83 0.64
Standard Error 0.00 0.00 0.05 0.07 0.10
Growth Number of Results 21 28 129 100 272
Number of Organisms 8 13 39 31 36
Arithmetic Mean 0.91 0.98 1.10 0.98 1.18
Standard Error 0.14 0.05 0.06 0.05 0.20
Metabolism Number of Results 6 9 81 24 119
Number of Organisms 4 6 23 19 27
Arithmetic Mean 1.03 1.05 1.43 1.17 1.28
Standard Error 0.04 0.07 0.15 0.05 0.14
Survival Number of Results 17 21 43 47 252
Number of Organisms 11 15 31 30 47
Arithmetic Mean 0.93 1.00 0.91 0.94 0.87
Standard Error 0.06 0.04 0.04 0.06 0.05