Skip to main content

Table 1 Summary statistics for individual juvenile Steller sea lion bi-monthly Utilization Distributions (n = 164 (across 84 IDs)), in the Gulf of Alaska, 2000–2014

From: Juvenile Steller sea lion (Eumetopias jubatus) utilization distributions in the Gulf of Alaska

  Mean se Min Max
Home range area (km2) 851.72 157.76 7.83 15,886.18
Core area (km2) 166.54 34.03 0.94 3587.98
Home range perimeter (km) 454.77 40.29 19.87 2808.49
Proportion Core (%) 21.35 0.96 1.60 52.32
Isopleth Volume Core (%) 61.42 0.55 31.62 71.83
Residual Standard Errorα 0.02 0.001 0.007 0.07
Percent of Positions in the Core 67.05 0.71 36.63 88.46
Number of Core Polygons 3.80 0.26 1 23
Distance from Centroid(s) to nearest
Haulout/Rookery (km)1
22.61 1.76 0.00 125.40
Relative Intensity of Use (I) 4.47 0.32 1.31 29.34
  1. α: From regression of exponential curve fit
  2. 1: Haulout or rookery that has closest average distance to all centroids