Table 1

Burrowing and activity performance (Mean ± SD) of P. clarkii under different water level, shelter, and season treatments. RWLR-NS indicates Rapid Water Level Reduction without Shelter; CWL-NS, Constant Water Level without Shelter; RWLR-S, Rapid Water Level Reduction with Shelter; CWL-S, Constant Water Level with Shelter, n = 3 tanks per treatment.

Treatments Percentage of burrowing (Mean ± SD) Percentage of activity (Mean ± SD) Number of burrows Notes
RWLR-NS (Nov) 20.94 ± 17.71% 39.76 ± 17.25% 5 Burrow in cooperation
RWLR-NS (Jan) 13.59 ± 2.97% 42.47 ± 1.19% 5 Burrow in cooperation
CWL-NS (Nov) 0 14.04 ± 4.43% 0
CWL-NS (Jan) 0.35 ± 0.49% 18.52 ± 3.01% 1
RWLR-S (Nov) 3.90 ± 1.82% 21.02 ± 1.40% 4
RWLR-S (Jan) 5.24 ± 3.86% 32.71 ± 8.19% 3 Burrow in cooperation
CWL-S (Nov) 0.11 ± 0.09% 9.13 ± 1.51% 0
CWL-S (Jan) 0.15 ± 0.11% 19.14 ± 3.46% 1

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