CO2 Science

Calcification Relative to Calcification at Current pH
Macroalgae

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 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

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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.

Halimeda incrassata [Halimeda] 1 1.84 0 1 1.06 0 1 0.25 0
Lithophyllum cabiochae [Mediterranean Crustose Coralline Algae] 1 0.80 0.00 3 1.43 0.25
Lithothamnion glaciale [Coralline Red Algae] 3 0.43 0.18 2 0.00 0.00
Neogoniolithon sp. [Coralline Red Alga] 1 2.54 0 1 1.88 0 1 0.63 0