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Impacts of anthropogenic noise on behaviour, development and fitness of fishes and invertebrates

Abstract : As the first part of my thesis, I provide a computer program which allows users to determine under what circumstances they should measure particle motion; I explain how these measurements can be made and provide a program for analysing this type of data. The main part of my thesis comprises experiments investigating the impact of repeated exposure to traffic noise, the most common anthropogenic source of noise in the marine environment, on fishes and invertebrates during development. In all three chapters involving experiments on fish in tanks and in the field, I found that a variety of behaviours were impacted by traffic noise playback. I also found that predictable noise can lead to different impacts on development compared to unpredictable noise, but that some species of fish may be able to habituate to traffic noise, while others suffer lower survival. Further, I found that the development and survival of seahares can be negatively impacted by traffic-noise playback. Fishes and invertebrates provide a vital food source to millions of people and form crucial links in many food webs; studying their behaviour, development and fitness can give us an insight into population and community level impacts of noise that are relevant to species survival and evolution. Developing some of the novel ideas and techniques discussed in this thesis will enable us to advance this vital area of research.
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Submitted on : Monday, April 15, 2019 - 10:50:34 AM
Last modification on : Friday, October 23, 2020 - 4:36:59 PM


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Sophie Nedelec. Impacts of anthropogenic noise on behaviour, development and fitness of fishes and invertebrates. Ecosystems. École pratique des hautes études - EPHE PARIS; University of Bristol, 2015. English. ⟨NNT : 2015EPHE3037⟩. ⟨tel-02099631⟩



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