Estimating animal population densities using passive acoustics.
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Marques, Tiago A.
Martin, Stephen W.
Mellinger, David K.
Ward, Jessica A.
Moretti, David J.
Tyack, Peter L.
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Reliable estimation of the size or density of wild animal populations is very important for effective wildlife management, conservation and ecology. Currently, the most widely used methods for obtaining such estimates involve either sighting animals from transect lines or some form of capture-recapture on marked or uniquely identifiable individuals. However, many species are difficult to sight, and cannot be easily marked or recaptured. Some of these species produce readily identifiable sounds, providing an opportunity to use passive acoustic data to estimate animal density. In addition, even for species for which other visually based methods are feasible, passive acoustic methods offer the potential for greater detection ranges in some environments (e.g. underwater or in dense forest), and hence potentially better precision. Automated data collection means that surveys can take place at times and in places where it would be too expensive or dangerous to send human observers. Here.....
Sustainable Development Goals (SDG)14.a
Essential Ocean Variables (EOV)Marine turtles, birds, mammals abundance and distribution
CitationMarques, T. A., Thomas, L., Martin, S. W., Mellinger, D. K., Ward, J. A., Moretti, D. J., ... & Tyack, P. L. (2013) Estimating animal population density using passive acoustics. Biological Reviews, 88, pp.287-309. DOI: 10.1111/brv.12001