Abstract
Effects of vertical electric barrier on the behaviour of common carp
Highlights
Understanding the motivation for animal movement is an important aspect of invasive-species management
We studied an invasive predator, the brown treesnake (Boiga irregularis Merrem, 1802) on Guam, and wanted to evaluate the utility of suppressing prey resources via rodenticide for its management and control
We report total activity area (TAA) for each snake using 100% minimum convex polygon (MCP) on the complete data set
Summary
Understanding the motivation for animal movement is an important aspect of invasive-species management This information is useful when protecting high-risk locales, identifying search areas after an incursion has been discovered, or predicting range expansion. Much of our knowledge on how food availability impacts movements and activity of terrestrial vertebrates has come from food-supplementation experiments. Many species alter their foraging patterns, home-range or core-area size, and onset of dispersal when supplemental food is provided (e.g., Boutin 1990; Eifler 1996; Hubbs and Boonstra 1998; Kennedy and Ward 2003; Ewen et al 2015). Failure to consider ectotherms in food manipulation studies would leave the expectation that prey suppression would have little short-term impact on their movement as a result of the reduced energetic demands, untested
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