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Table 3 Descriptive statistics of the shape parameters of bottom trajectories

From: Three-dimensional space use during the bottom phase of southern elephant seal dives

  Nb prey encounter event at bottom Bottom duration (s) Mean bottom depth (m) Horizontal width (m)
Min 0.00 54.00 53.59 0.35
Max 28.00 1732.00 847.91 139.37
Median 2.00 451.00 435.78 20.39
Mean 3.37 500.39 441.86 23.20
SE mean 0.13 6.67 5.25 0.45
C I 95% mean 0.25 13.10 10.30 0.88
Variance 13.79 38572.57 23833.89 175.57
SD 3.71 196.40 154.38 13.25
  MC1 vertical width (m) MC1 horiz. width (m) Total dispersion (m2) MC1 dispersion (%)
Min 0.04 36.80 562.55 53.30
Max 383.55 1775.42 401082.90 99.97
Median 26.80 409.09 24073.35 97.20
Mean 48.68 431.17 32638.69 93.75
SE mean 2.16 7.25 1110.50 0.28
C I 95% mean 4.23 14.23 2179.59 0.56
Variance 4023.07 45544.02 1067959847.62 69.62
SD 63.43 213.41 32679.65 8.34
  Vertical width (m) Bottom speed SD (m s −1) Bottom vertical speed SD (m s −1)  
Min 2.10 0.11 0.16  
Max 154.18 1.15 2.01  
Median 23.21 0.32 0.79  
Mean 31.45 0.35 0.85  
SE mean 0.80 0.01 0.01  
C I 95% mean 1.57 0.01 0.02  
Variance 556.80 0.03 0.09  
SD 23.60 0.17 0.30  
  1. n=866 3D dives. Refer to methods for detailed explanation about what these variables represent and how they were computed