Article: Modeling Behavior by Coastal River Otter (Lontra Canadensis) in Response to Prey Availability in Prince William Sound, Alaska: A Spatially-Explicit Individual-Based Approach.
Comparison of empirical data and simulated model results for each schooling fish scenario (<xref ref-type="table" rid="pone.0126208.t001">Table 1</xref>).
Metric
Empirical
Random_100%
School_100%
School_75%
School_50%
School_25%
School_None
Otter Abundance
131 (95-189)
111 (109-113)
111 (109-113)
112 (110-114)
111 (109-113)
110 (108-112)
112 (110-114)
Maximum Group Size
9-11
7-14
8-14
8-15
8-14
7-14
7-13
Mean Min Group Size
1.9 (0.5)
2 (0)
2 (0)
2 (0)
2 (0)
2 (0)
2 (0)
Percent in Mixed Sex Group
77.5, 38
82.2 (0.4), 27.8 (0.3)
82.9 (0.4), 26.7 (0.3)
83.0 (0.3), 26.5 (0.3)
82.2 (0.4), 27.0 (0.3)
82.1 (0.4), 27.3 (0.3)
82.1 (0.3), 26.6 (0.3)
Percent of Feces with Pelagic Fish
39.9
40.0 (0.01)
35.9 (0.01)
29.3 (0.01)
22.7 (0.01)
12.5 (0.01)
0 (0)
50% Core Home Range
4 (2.6), 10 (2.6)
3.5 (0.5), 22.4 (1.2)
2.8 (0.5), 19.5 (1.6)
3.5 (0.6), 21.1 (1.6)
3.6 (0.5), 24.2 (2.1)
4.1 (0.5), 30.6 (2.4)
4.6 (0.5), 40.3 (3.4)
Values within parentheses indicate 95% confidence interval (n = 100 for each simulation scenario). Values for Percent in Mixed Sex Group and 50% Core Home Range are sex-specific with female values listed first, followed by males.
