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Table 1 Overview of the predictions and results for within- and between-group competition in Bwindi mountain gorillas

From: Using long-term ranging patterns to assess within-group and between-group competition in wild mountain gorillas

Testing competitive regime Predictor variable Response variable Prediction Results
Within-group Group size Home range size Positive effect Positive effect
Within-group Group size squared Home range size U-shape ns
Within-group Group size Core area size Positive effect Positive effect
Within-group Group size squared Core area size U-shape ns
Within-group Group size Home range fidelity Negative effect ns
Within-group Group size Core area fidelity Negative effect Negative effect
Between-group Core area (yes/no) Home range and core area fidelity Higher core area than home range fidelity Higher home range than core area fidelity
Between-group Core area (yes/no) Home range and core area exclusivity Higher core area than home range exclusivity Higher core area than home range exclusivity
Between-group Group size Home range exclusivity Positive effect Trend for positive effect
Between-group Number of males Home range exclusivity Positive effect ns
Between-group Group size Core area exclusivity Positive effect Trend for positive effect
Between-group Number of males Core area exclusivity Positive effect Trend for positive effect
  1. All response variables are annual
  2. ns not significant