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Table 4

P-values for two-tailed, t-tests comparing the average proportion of veligers in each activity level subclassification for each treatment, α = 0.05

Time (h)Control – EarthTec QZControl – ChlorineEarthTec QZ – Chlorine
Actively swimming 
 0.02 0.593 0.048 0.011 
 2.3 0.139 0.006 0.026 
 5.4 0.002 0.002 0.034 
Rotating 
 0.02 0.652 0.020 0.015 
 2.3 0.237 0.032 0.012 
 5.4 0.496 0.518 0.784 
Pulsing 
 0.02 0.277 0.033 0.231 
 2.3 0.012 0.013 0.111 
 5.4 0.960 0.240 0.237 
Internal or velum movement 
 0.02 0.717 0.005 0.016 
 2.3 0.078 0.000 0.000 
 5.4 0.062 0.094 0.228 
Time (h)Control – EarthTec QZControl – ChlorineEarthTec QZ – Chlorine
Actively swimming 
 0.02 0.593 0.048 0.011 
 2.3 0.139 0.006 0.026 
 5.4 0.002 0.002 0.034 
Rotating 
 0.02 0.652 0.020 0.015 
 2.3 0.237 0.032 0.012 
 5.4 0.496 0.518 0.784 
Pulsing 
 0.02 0.277 0.033 0.231 
 2.3 0.012 0.013 0.111 
 5.4 0.960 0.240 0.237 
Internal or velum movement 
 0.02 0.717 0.005 0.016 
 2.3 0.078 0.000 0.000 
 5.4 0.062 0.094 0.228 
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