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Table 3.

Changes in body mass and water space of confined or free-rangingG. natalis during 6 days in the rainforest

Dry Season
Wet Season
ConfinedFree rangingConfinedFree ranging
Change in body mass (g kg−1 day−1−24.23±0.92  −8.68±0.58 * −17.69±2.45 −20.09±4.52 * 
Change in water space (ml kg−1 day−1−28.9±6.43 −19.87±14.97 −4.89±5.25 −35.89±16.97 
Dry Season
Wet Season
ConfinedFree rangingConfinedFree ranging
Change in body mass (g kg−1 day−1−24.23±0.92  −8.68±0.58 * −17.69±2.45 −20.09±4.52 * 
Change in water space (ml kg−1 day−1−28.9±6.43 −19.87±14.97 −4.89±5.25 −35.89±16.97 

Since the crabs were of different mass, the changes are normalized per kg. Values are means ± s.e.m. (N=8-9 in each group).

*

indicates a seasonal difference;

indicates a single case where confinement had an effect.

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