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582 results on '"Slabbekoorn, Hans"'

14. Marine mammals and sonar: Dose‐response studies, the risk‐disturbance hypothesis and the role of exposure context

Author

Harris, Catriona M, Thomas, Len, Falcone, Erin A, Hildebrand, John, Houser, Dorian, Kvadsheim, Petter H, Lam, Frans‐Peter A, Miller, Patrick JO, Moretti, David J, Read, Andrew J, Slabbekoorn, Hans, Southall, Brandon L, Tyack, Peter L, Wartzok, Douglas, and Janik, Vincent M

Subjects
Environmental Sciences, Biological Sciences, Ecology, anthropogenic noise, anti-predator response, behavioural response, cetaceans, dose-response, human disturbance, impact assessment, marine mammals, sonar, Ecological Applications, Environmental Science and Management, Zoology, Environmental management
Abstract

Marine mammals may be negatively affected by anthropogenic noise. Behavioural response studies (BRS) aim to establish a relationship between noise exposure conditions (dose) from a potential stressor and associated behavioural responses of animals. A recent series of BRS have focused on the effects of naval sonar sounds on cetaceans. Here, we review the current state of understanding of naval sonar impact on marine mammals and highlight knowledge gaps and future research priorities. Many marine mammal species exhibit responses to naval sonar sounds. However, responses vary between and within individuals and populations, highlighting the importance of exposure context in modulating dose–response relationships. There is increasing support from both terrestrial and marine systems for the risk-disturbance hypothesis as an explanation for underlying response processes. This proposes that sonar sounds may be perceived by animals as a threat, evoking a response shaped by the underlying species-specific risk of predation and anti-predator strategy. An understanding of responses within both the dose–response and risk-disturbance frameworks may enhance our ability to predict responsiveness for unstudied species and populations. Many observed behavioural responses are energetically costly, but the way that these responses may lead to long-term individual and population-level impacts is poorly understood. Synthesis and applications. Behavioural response studies have greatly improved our understanding of the potential effects of naval sonar on marine mammals. Despite data gaps, we believe a dose-response approach within a risk-disturbance framework will enhance our ability to predict responsiveness for unstudied species and populations. We advocate for (1) regulatory frameworks to utilize peer-reviewed research findings when making predictions of impact, (2) regulatory frameworks to account for the inherent uncertainty in predictions of impact and (3) investment in monitoring programmes that are both directed by recent research and offer opportunities for validation of predictions at the individual and population level.

Published
2018

23. An experimental sound exposure study at sea: No spatial deterrence of free-ranging pelagic fish

Author

Hubert, Jeroen, Demuynck, Jozefien M., Remmelzwaal, M.R., Muñiz, Carlota, Debusschere, Elisabeth, Berges, Benoit, Slabbekoorn, Hans, Hubert, Jeroen, Demuynck, Jozefien M., Remmelzwaal, M.R., Muñiz, Carlota, Debusschere, Elisabeth, Berges, Benoit, and Slabbekoorn, Hans

Abstract

Acoustic deterrent devices are used to guide aquatic animals from danger or toward migration paths. At sea, moderate sounds can potentially be used to deter fish to prevent injury or death due to acoustic overexposure. In sound exposure studies, acoustic features can be compared to improve deterrence efficacy. In this study, we played 200–1600 Hz pulse trains from a drifting vessel and investigated changes in pelagic fish abundance and behavior by utilizing echosounders and hydrophones mounted to a transect of bottom-moored frames. We monitored fish presence and tracked individual fish. This revealed no changes in fish abundance or behavior, including swimming speed and direction of individuals, in response to the sound exposure. We did find significant changes in swimming depth of individually tracked fish, but this could not be linked to the sound exposures. Overall, the results clearly show that pelagic fish did not flee from the current sound exposures, and we found no clear changes in behavior due to the sound exposure. We cannot rule out that different sounds at higher levels elicit a deterrence response; however, it may be that pelagic fish are just more likely to respond to sound with (short-lasting) changes in school formation.

Published
2024

24. Data: An experimental sound exposure study at sea: No spatial deterrence of free-ranging pelagic fish

Author

Hubert, Jeroen, Demuynck, Jozefien M., Remmelzwaal, M.R., Muñiz, Carlota, Debusschere, Elisabeth, Berges, Benoit, Slabbekoorn, Hans, Hubert, Jeroen, Demuynck, Jozefien M., Remmelzwaal, M.R., Muñiz, Carlota, Debusschere, Elisabeth, Berges, Benoit, and Slabbekoorn, Hans

Abstract

Data abstract: All data and scripts to replicate all plots and statistical results of the paper mentioned below. The data are sound recordings and processed echosounder data (raw echosounder data is available on request but > 100 GB in size and require specialized software). Paper reference: Jeroen Hubert, Jozefien M. Demuynck, M. Rafa Remmelzwaal, Carlota Muñiz, Elisabeth Debusschere, Benoit Berges, Hans Slabbekoorn; An experimental sound exposure study at sea: No spatial deterrence of free-ranging pelagic fish. J. Acoust. Soc. Am. 1 February 2024; 155 (2): 1151–1161. https://doi.org/10.1121/10.0024720 Paper abstract: Acoustic deterrent devices are used to guide aquatic animals from danger or toward migration paths. At sea, moderate sounds can potentially be used to deter fish to prevent injury or death due to acoustic overexposure. In sound exposure studies, acoustic features can be compared to improve deterrence efficacy. In this study, we played 200–1600 Hz pulse trains from a drifting vessel and investigated changes in pelagic fish abundance and behavior by utilizing echosounders and hydrophones mounted to a transect of bottom-moored frames. We monitored fish presence and tracked individual fish. This revealed no changes in fish abundance or behavior, including swimming speed and direction of individuals, in response to the sound exposure. We did find significant changes in swimming depth of individually tracked fish, but this could not be linked to the sound exposures. Overall, the results clearly show that pelagic fish did not flee from the current sound exposures, and we found no clear changes in behavior due to the sound exposure. We cannot rule out that different sounds at higher levels elicit a deterrence response; however, it may be that pelagic fish are just more likely to respond to sound with (short-lasting) changes in school formation., Data abstract: All data and scripts to replicate all plots and statistical results of the paper mentioned below. The data are sound recordings and processed echosounder data (raw echosounder data is available on request but > 100 GB in size and require specialized software). Paper reference: Jeroen Hubert, Jozefien M. Demuynck, M. Rafa Remmelzwaal, Carlota Muñiz, Elisabeth Debusschere, Benoit Berges, Hans Slabbekoorn; An experimental sound exposure study at sea: No spatial deterrence of free-ranging pelagic fish. J. Acoust. Soc. Am. 1 February 2024; 155 (2): 1151–1161. https://doi.org/10.1121/10.0024720 Paper abstract: Acoustic deterrent devices are used to guide aquatic animals from danger or toward migration paths. At sea, moderate sounds can potentially be used to deter fish to prevent injury or death due to acoustic overexposure. In sound exposure studies, acoustic features can be compared to improve deterrence efficacy. In this study, we played 200–1600 Hz pulse trains from a drifting vessel and investigated changes in pelagic fish abundance and behavior by utilizing echosounders and hydrophones mounted to a transect of bottom-moored frames. We monitored fish presence and tracked individual fish. This revealed no changes in fish abundance or behavior, including swimming speed and direction of individuals, in response to the sound exposure. We did find significant changes in swimming depth of individually tracked fish, but this could not be linked to the sound exposures. Overall, the results clearly show that pelagic fish did not flee from the current sound exposures, and we found no clear changes in behavior due to the sound exposure. We cannot rule out that different sounds at higher levels elicit a deterrence response; however, it may be that pelagic fish are just more likely to respond to sound with (short-lasting) changes in school formation.

Published
2024

27. Man-Made Sounds and Animals

Author

Slabbekoorn, Hans, Dooling, Robert J., Popper, Arthur N., Fay, Richard R., Series Editor, Popper, Arthur N., Series Editor, Slabbekoorn, Hans, editor, and Dooling, Robert J., editor

Published
2018
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38. Outcomes from the First European Planetary Health Congress at ARTIS in Amsterdam

Author

Kort, Remco, primary, Arts, Koen, additional, Antó, Josep M., additional, Berg, Matty P., additional, Cepella, Gabrielle, additional, Cole, Jennifer, additional, van Doorn, Amarylle, additional, van Gorp, Tomás, additional, Grootjen, Milo, additional, Gupta, Joyeeta, additional, Hill, Colin, additional, van der Heide, Eva, additional, Huisman, Jef, additional, Janmaat, Jopke, additional, O’Callaghan-Gordo, Cristina, additional, Mattijsen, Juliette, additional, Modi, Tulsi, additional, Nowak, Evanne, additional, Ossebaard, Hans C., additional, den Outer, Jessica, additional, Pot, Bruno, additional, Praasterink, Frederike, additional, Prass, Marju, additional, Robert, Alexandre, additional, Roelse, Michiel, additional, Seidell, Jaap, additional, Slabbekoorn, Hans, additional, Spek, Wouter, additional, Stappen, Ralf Klemens, additional, Stikker, Marleen, additional, van der Stelt, Jorieke, additional, Stuiver, Marian, additional, Sutorius, Rembrandt, additional, van Trommel, Jip, additional, Veenman, Martine, additional, Weij, Christian, additional, and Martens, Pim, additional

Published
2023
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42. Predicting bird song from space

Author

Smith, Thomas B, Harrigan, Ryan J, Kirschel, Alexander NG, Buermann, Wolfgang, Saatchi, Sassan, Blumstein, Daniel T, Kort, Selvino R, and Slabbekoorn, Hans

Subjects
Biological Sciences, Ecology, anthropogenic effects, avian song, behavioral ecology, random forests, remote sensing, reproductive isolation, spatial heterogeneity, Medicinal and Biomolecular Chemistry, Evolutionary Biology, Genetics, Evolutionary biology
Abstract

Environmentally imposed selection pressures are well known to shape animal signals. Changes in these signals can result in recognition mismatches between individuals living in different habitats, leading to reproductive divergence and speciation. For example, numerous studies have shown that differences in avian song may be a potent prezygotic isolating mechanism. Typically, however, detailed studies of environmental pressures on variation in animal behavior have been conducted only at small spatial scales. Here, we use remote-sensing data to predict animal behavior, in this case, bird song, across vast spatial scales. We use remotely sensed data to predict the song characteristics of the little greenbul (Andropadus virens), a widely distributed African passerine, found across secondary and mature rainforest habitats and the rainforest-savanna ecotone. Satellite data that captured ecosystem structure and function explained up to 66% of the variation in song characteristics. Song differences observed across habitats, including those between human-altered and mature rainforest, have the potential to lead to reproductive divergence, and highlight the impacts that both natural and anthropogenic change may have on natural populations. Our approach offers a novel means to examine the ecological correlates of animal behavior across large geographic areas with potential applications to both evolutionary and conservation biology.

Published
2013

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