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Table 3.

Mean values (±s.d.) of parameters of the standard linear solid viscoelastic model applied to measurements on the tube foot disc of the two species studied

Evaporation time (min)
012345
Asterias rubens       
   Number of tube feet tested 
   E0 (kPa) 2.03±0.62a 3.20±0.95a,b 4.45±1.76a,b 5.77±1.31a,b 9.06±5.41b 3.93±2.65a,b 
   E1 (kPa) 3.40±1.67a 1.86±0.31a 3.27±3.19a 3.06±1.64a 5.04±2.86a 5.67±5.40a 
   τ (s) 7.50±2.48a 3.11±0.51b 4.08±1.44a,b 5.27±0.58a,b 7.22±0.08a,b 5.74±1.98a,b 
Paracentrotus lividus       
   Number of tube feet tested 
   E0 (kPa) 4.14±2.22a 7.42±5.30a 11.96±1.53a 7.73±12.01a 1.71±0.73a 5.09±4.59a 
   E1 (kPa) 5.41±2.08a 4.25±1.54a 5.39±1.28a 3.57±2.16a 3.61±0.99a 8.31±6.99a 
   τ (s) 5.11±1.75a 4.48±1.41a 2.77±0.45a 4.10±0.62a 5.40±0.40a 5.04±0.66a 
Evaporation time (min)
012345
Asterias rubens       
   Number of tube feet tested 
   E0 (kPa) 2.03±0.62a 3.20±0.95a,b 4.45±1.76a,b 5.77±1.31a,b 9.06±5.41b 3.93±2.65a,b 
   E1 (kPa) 3.40±1.67a 1.86±0.31a 3.27±3.19a 3.06±1.64a 5.04±2.86a 5.67±5.40a 
   τ (s) 7.50±2.48a 3.11±0.51b 4.08±1.44a,b 5.27±0.58a,b 7.22±0.08a,b 5.74±1.98a,b 
Paracentrotus lividus       
   Number of tube feet tested 
   E0 (kPa) 4.14±2.22a 7.42±5.30a 11.96±1.53a 7.73±12.01a 1.71±0.73a 5.09±4.59a 
   E1 (kPa) 5.41±2.08a 4.25±1.54a 5.39±1.28a 3.57±2.16a 3.61±0.99a 8.31±6.99a 
   τ (s) 5.11±1.75a 4.48±1.41a 2.77±0.45a 4.10±0.62a 5.40±0.40a 5.04±0.66a 

Significant intraspecific differences between means are indicated by letters in superscripts; means sharing at least one letter are not significantly different (P≥0.05, Tukey test for multiple comparison).

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