CO2 Science

Metabolism Relative to Metabolism 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 0 16 12 16

Number of Organisms 0 0 2 12 14

Arithmetic Mean 0.00 0.00 1.08 1.18 1.43

Standard Error 0.00 0.00 0.09 0.05 0.13

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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.

Alaria esculenta [Winged Kelp] 1 1.19 0.00 1 1.33 0.00
Ascophyllum nodosum [Knotted Wrack] 1 1.17 0.00 1 1.24 0.00
Corallina officinalis [Calcareous Red Seaweed] 1 1.02 0.00 1 1.00 0.00
Fucus serratus [Toothed Wrack] 1 0.95 0.00 1 1.01 0.00
Fucus spiralis [Spiral Wrack] 1 1.11 0.00 1 1.31 0.00
Fucus vesiculosus [Bladderwrack] 1 1.03 0.00 1 1.06 0.00
Gracilaria lemaneiformis [Red Seaweed] 8 0.95 0
Halidrys siliquosa [Brown Algae] 1 1.07 0.00 1 1.12 0.00
Laminaria digitata [Oarweed] 1 1.25 0.00 1 1.48 0.00
Laminaria hyperborea [Oarweed] 1 1.68 0.00 1 2.50 0.00
Laminaria saccharina [Brown Algae] 1 1.38 0.00 1 1.98 0.00
Nereocystis luetkeana [Bull Kelp] 8 1.21 0.1 2 1.51 0.1
Pelvetia canaliculata [Channelled Wrack] 1 1.13 0.00 1 1.17 0.00
Porphyra yezoensis [Nori, Red Algae] 1 1.17 0 1 0.94 0
Saccharina latissima [Sugar Kelp] 2 2.43 0.1