Fertility Relative to Fertility at Current pH

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Tripneustes gratilla [Collector Urchin]

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
 
 
 
3
3
Arithmetic Mean
 
 
 
0.96
0.75
Standard Error
 
 
 
0.03
0.13

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

Brennand et al. (2010)

Percentage of normal larvae reaching the echinopluteus stage after 5 days. Temperature was 23.5C and pH was altered by the addition of CO2.
 

 

 

0.99

 

Brennand et al. (2010)

Percentage of normal larvae reaching the echinopluteus stage after 5 days. Temperature was 23.5C and pH was altered by the addition of CO2.
 

 

 

 

0.79

Brennand et al. (2010)

Percentage of normal larvae reaching the echinopluteus stage after 5 days. Temperature was 26.1C and pH was altered by the addition of CO2.
 

 

 

0.89

 

Brennand et al. (2010)

Percentage of normal larvae reaching the echinopluteus stage after 5 days. Temperature was 26.1C and pH was altered by the addition of CO2.
 

 

 

 

0.99

Brennand et al. (2010)

Percentage of normal larvae reaching the echinopluteus stage after 5 days. Temperature was 30.4C and pH was altered by the addition of CO2.
 

 

 

0.99

 

Brennand et al. (2010)

Percentage of normal larvae reaching the echinopluteus stage after 5 days. Temperature was 30.4C and pH was altered by the addition of CO2.
 

 

 

 

0.46


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