Calcification Relative to Calcification at Current pH

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Cladocora caespitosa [Pillow Coral]

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
 
 
16
 
 
Arithmetic Mean
 
 
1.13
 
 
Standard Error
 
 
0.08
 
 

Individual Experiement Results  
      Decline in pH from the Present    

Journal References

Experimental Conditions
0.0
to
0.09
0.09
to
0.17
0.17
to
0.3
0.3
to
0.5
More
than
0.5

Rodolfo-Metalpa et al. (2010)

Rates of light calcification of a temperate coral (Cladocora caespitosa) grown for 30 days under normal and reduced pH conditions in winter. Temperature = 13.4°C, salinity = ~38 psu. pH was altered by the addition of CO2.
 

 

1.50

 

 

Rodolfo-Metalpa et al. (2010)

Rates of light calcification of a temperate coral (Cladocora caespitosa) grown for 30 days under normal and reduced pH conditions in winter. Temperature was increased 3 degrees from normal ambient winter values to 16.4°C. Salinity = ~38 psu and pH was altered by the addition of CO2.
 

 

1.53

 

 

Rodolfo-Metalpa et al. (2010)

Rates of light calcification of a temperate coral (Cladocora caespitosa) grown for 30 days under normal and reduced pH conditions in summer. Temperature = 21.7°C, salinity = ~38 psu. pH was altered by the addition of CO2.
 

 

1.10

 

 

Rodolfo-Metalpa et al. (2010)

Rates of light calcification of a temperate coral (Cladocora caespitosa) grown for 30 days under normal and reduced pH conditions in summer. Temperature was increased ~3 degrees from normal ambient summer values to 24.5°C. Salinity = ~38 psu and pH was altered by the addition of CO2.
 

 

1.04

 

 

Rodolfo-Metalpa et al. (2010)

Rates of dark calcification of a temperate coral (Cladocora caespitosa) grown for 30 days under normal and reduced pH conditions in winter. Temperature = 13.4°C, salinity = ~38 psu. pH was altered by the addition of CO2.
 

 

1.29

 

 

Rodolfo-Metalpa et al. (2010)

Rates of dark calcification of a temperate coral (Cladocora caespitosa) grown for 30 days under normal and reduced pH conditions in winter. Temperature was increased 3 degrees from normal ambient winter values to 16.4°C. Salinity = ~38 psu and pH was altered by the addition of CO2.
 

 

1.31

 

 

Rodolfo-Metalpa et al. (2010)

Rates of dark calcification of a temperate coral (Cladocora caespitosa) grown for 30 days under normal and reduced pH conditions in summer. Temperature = 21.7°C, salinity = ~38 psu. pH was altered by the addition of CO2.
 

 

1.35

 

 

Rodolfo-Metalpa et al. (2010)

Rates of dark calcification of a temperate coral (Cladocora caespitosa) grown for 30 days under normal and reduced pH conditions in summer. Temperature was increased ~3 degrees from normal ambient summer values to 24.5°C. Salinity = ~38 psu and pH was altered by the addition of CO2.
 

 

1.06

 

 

Rodolfo-Metalpa et al. (2010)

Calcification rates of a temperate coral (Cladocora caespitosa) grown for 3 months (Jul-Sep 2006) under normal and reduced pH conditions. Temperature = 21.7°C, salinity = ~38 psu. Control bicarbonate = 1941 µmol kg-1, Treatment bicarbonate = 2317 µmol kg-1, control carbonate = 247 µmol kg-1, treatment bicarbonate = 175 µmol kg-1, control total alkalinity = 2538 µmol kg-1, treatment total alkalinity = 2543 µmol kg-1, control DIC = 2201 µmol kg-1, treatment DIC = 2317 µmol kg-1, control Ωaragonite = 3.77, treatment Ωaragonite = 2.68. pH was altered by the addition of CO2.
 

 

1.53

 

 

Rodolfo-Metalpa et al. (2010)

Calcification rates of a temperate coral (Cladocora caespitosa) grown for 3 months (Jul-Sep 2006) under normal and reduced pH conditions. Temperature = 24.5°C, salinity = ~38 psu. Control bicarbonate = 2203 µmol kg-1, Treatment bicarbonate = 2114 µmol kg-1, control carbonate = 249 µmol kg-1, treatment bicarbonate = 180 µmol kg-1, control total alkalinity = 2541 µmol kg-1, treatment total alkalinity = 2546 µmol kg-1, control DIC = 2203 µmol kg-1, treatment DIC = 2315 µmol kg-1, control Ωaragonite = 3.86, treatment Ωaragonite = 2.78. pH was altered by the addition of CO2.
 

 

0.89

 

 

Rodolfo-Metalpa et al. (2010)

Calcification rates of a temperate coral (Cladocora caespitosa) grown for 6 months (Jul-Dec 2006) under normal and reduced pH conditions. Temperature = 18.0°C, salinity = ~38 psu. Control bicarbonate = 1959 µmol kg-1, Treatment bicarbonate = 2322 µmol kg-1, control carbonate = 233 µmol kg-1, treatment bicarbonate = 156 µmol kg-1, control total alkalinity = 2526 µmol kg-1, treatment total alkalinity = 2521 µmol kg-1, control DIC = 2205 µmol kg-1, treatment DIC = 2322 µmol kg-1, control Ωaragonite = 3.53, treatment Ωaragonite = 2.35. pH was altered by the addition of CO2.
 

 

0.84

 

 

Rodolfo-Metalpa et al. (2010)

Calcification rates of a temperate coral (Cladocora caespitosa) grown for 6 months (Jul-Dec 2006) under normal and reduced pH conditions. Temperature = 21.0°C, salinity = ~38 psu. Control bicarbonate = 2202 µmol kg-1, Treatment bicarbonate = 2127 µmol kg-1, control carbonate = 242 µmol kg-1, treatment bicarbonate = 167 µmol kg-1, control total alkalinity = 2533 µmol kg-1, treatment total alkalinity = 2530 µmol kg-1, control DIC = 2203 µmol kg-1, treatment DIC = 2317 µmol kg-1, control Ωaragonite = 3.69, treatment Ωaragonite = 2.55. pH was altered by the addition of CO2.
 

 

0.70

 

 

Rodolfo-Metalpa et al. (2010)

Calcification rates of a temperate coral (Cladocora caespitosa) grown for 9 months (Jul 2006 - Mar 2007) under normal and reduced pH conditions. Temperature = 13.4°C, salinity = ~38 psu. Control bicarbonate = 2043 µmol kg-1, Treatment bicarbonate = 2378 µmol kg-1, control carbonate = 203 µmol kg-1, treatment bicarbonate = 131 µmol kg-1, control total alkalinity = 2540 µmol kg-1, treatment total alkalinity = 2538 µmol kg-1, control DIC = 2262 µmol kg-1, treatment DIC = 2378 µmol kg-1, control Ωaragonite = 3.04, treatment Ωaragonite = 1.96. pH was altered by the addition of CO2.
 

 

1.30

 

 

Rodolfo-Metalpa et al. (2010)

Calcification rates of a temperate coral (Cladocora caespitosa) grown for 9 months (Jul 2006 - Mar 2007) under normal and reduced pH conditions. Temperature = 16.4°C, salinity = ~38 psu. Control bicarbonate = 2053 µmol kg-1, Treatment bicarbonate = 2208 µmol kg-1, control carbonate = 211 µmol kg-1, treatment bicarbonate = 139 µmol kg-1, control total alkalinity = 2540 µmol kg-1, treatment total alkalinity = 2545 µmol kg-1, control DIC = 2254 µmol kg-1, treatment DIC = 2374 µmol kg-1, control Ωaragonite = 3.17, treatment Ωaragonite = 2.10. pH was altered by the addition of CO2.
 

 

0.42

 

 

Rodolfo-Metalpa et al. (2010)

Calcification rates of a temperate coral (Cladocora caespitosa) grown for 1 year (Jul 2006 - Jun 2007) under normal and reduced pH conditions. Temperature = 17.2°C, salinity = ~38 psu. Control bicarbonate = 1948 µmol kg-1, Treatment bicarbonate = 2300 µmol kg-1, control carbonate = 221 µmol kg-1, treatment bicarbonate = 146 µmol kg-1, control total alkalinity = 2486 µmol kg-1, treatment total alkalinity = 2486 µmol kg-1, control DIC = 2182 µmol kg-1, treatment DIC = 2300 µmol kg-1, control Ωaragonite = 3.33, treatment Ωaragonite = 2.21. pH was altered by the addition of CO2.
 

 

1.29

 

 

Rodolfo-Metalpa et al. (2010)

Calcification rates of a temperate coral (Cladocora caespitosa) grown for 1 year (Jul 2006 - Jun 2007) under normal and reduced pH conditions. Temperature = 20.1°C, salinity = ~38 psu. Control bicarbonate = 2169 µmol kg-1, Treatment bicarbonate = 2126 µmol kg-1, control carbonate = 231 µmol kg-1, treatment bicarbonate = 150 µmol kg-1, control total alkalinity = 2487 µmol kg-1, treatment total alkalinity = 2491 µmol kg-1, control DIC = 2181 µmol kg-1, treatment DIC = 2301 µmol kg-1, control Ωaragonite = 3.52, treatment Ωaragonite = 2.29. pH was altered by the addition of CO2.
 

 

0.90

 

 


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