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Table 3.

Surface area-specific rates of evaporative water loss (EWL), body water deficit and levels of body water during rehydration in Florida tree frogs subjected to repetitive dehydration trials

Species (N)EWL (mg cm−2 h−1)Incurred deficit (% standard mass)Rehydration level (% standard mass)
Hyla gratiosa (7) 10.0±1.5a (7.3−11.2) 5.5±1.5 (4.0−7.0) 106.2±2.5 (103.5−109.2) 
Hyla squirella (12) 13.1±3.4a,b (9.8−22.4) 12.3±2.9 (8.5−18.8) 110.1±4.2 (105.4−117.8) 
Hyla avivoca (5) 14.9±2.2b (12.8−18.2) 11.9±3.1 (9.7−15.6) 108.9±2.4 (106.3−112.7) 
Hyla femoralis (3) 14.9±2.7b (12.7−17.8) 14.5±3.5 (12.7−13.1) 115.0±4.3 (110.4−118.9) 
Hyla chrysoscelis (6) 15.5±1.5b (13.3−17.3) 11.3±2.9 (9.4−13.4) 112.5±3.6 (107.6−116.3) 
Hyla cinerea (5) 25.29±5.9c (18.9−35.1) 19.1±2.9 (14.5−26.9) 114.0±6.2 (110.2−124.7) 
P-value P<0.001   
Species (N)EWL (mg cm−2 h−1)Incurred deficit (% standard mass)Rehydration level (% standard mass)
Hyla gratiosa (7) 10.0±1.5a (7.3−11.2) 5.5±1.5 (4.0−7.0) 106.2±2.5 (103.5−109.2) 
Hyla squirella (12) 13.1±3.4a,b (9.8−22.4) 12.3±2.9 (8.5−18.8) 110.1±4.2 (105.4−117.8) 
Hyla avivoca (5) 14.9±2.2b (12.8−18.2) 11.9±3.1 (9.7−15.6) 108.9±2.4 (106.3−112.7) 
Hyla femoralis (3) 14.9±2.7b (12.7−17.8) 14.5±3.5 (12.7−13.1) 115.0±4.3 (110.4−118.9) 
Hyla chrysoscelis (6) 15.5±1.5b (13.3−17.3) 11.3±2.9 (9.4−13.4) 112.5±3.6 (107.6−116.3) 
Hyla cinerea (5) 25.29±5.9c (18.9−35.1) 19.1±2.9 (14.5−26.9) 114.0±6.2 (110.2−124.7) 
P-value P<0.001   

For each species (N), a total of 10 cycles were conducted for a duration of 100 h per individual.

Values are means ± s.d. followed by ranges in parentheses for multiple measurements.

Superscript letters indicate significant differences as determined by one-way ANOVA followed by Scheffe post-hoc comparisons(P=0.05).

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