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Estimating chorusing activity by quantifying total acoustic energy
Andrea Megela Simmons1, Chen Ming2, Laura N Kloepper3
1Department of Cognitive, Linguistic, & Psychological Sciences, Brown University, Providence, Rhode Island, 02912, USA.
Abstract:
Passive acoustics provides a powerful method for localizing vocalizing animals and estimating species abundance. A passive acoustics method previously used to census dense populations of flying bats is applied here to estimate chorusing activity of male bullfrogs vocalizing against anthropogenic noise. There are significant links between manual counts of the numbers of advertisement call notes and automatically detected notes and two measures of acoustic energy. These data provide a foundation for the use of acoustic energy measures to census vocal activity in different habitats.
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