Growth Relative to Growth at Current pH

Echinoderms

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 5 1 24 37 48
Number of Organisms 3 1 7 7 5
Arithmetic Mean 0.58 0.89 1.04 1.14 0.83
Standard Error 0.17 0.00 0.10 0.15 0.11
 
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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.
Crossaster papposus [Sea Star]             32.040.4    
Echinometra mathaei [Rock Boring Sea Urchin] 20.290.21                
Heliocidaris erythrogramma [Sea Urchin]         60.770.09 120.810.10 120.610.06
Hemicentrotus pulcherrimus [Sea Urchin] 20.470.4     20.880 20.820 40.640.1
Lytechinus variegatus [Green Sea Urchin]     10.890.00 10.780.00        
Ophiura ophiura [Serpent Star]         101.510.33 101.240.07 201.210.23
Paracentrotus lividus [Purple Sea Urchin]         21.010.01 40.940.03 100.660.11
Pisaster ochraceus [Sea Star]         21.350        
Sterechinus neumayeri [Antarctic Sea Urchin] 10.980.00     10.980.00        
Strongylocentrotus purpuratus [Purple Sea Urchin]             40.990.02    
Tripneustes gratilla [Collector Urchin]             21.170.08 21.030.01

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