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Jézéquel Y, Mooney TA. Impulsive pile driving sound does not induce hearing loss in the longfin squid (Doryteuthis pealeii)a). THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2024; 156:2200-2210. [PMID: 39373546 DOI: 10.1121/10.0030404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 09/14/2024] [Indexed: 10/08/2024]
Abstract
Offshore windfarms are a key means to produce clean energy as we seek to limit climate change effects. Impulsive pile driving used for their construction in shallow water environments is among the most intense anthropogenic sound sources. There is an increasing understanding that an array of marine invertebrates detects acoustic cues, yet little is known about how pile driving sound could impact their sound detection abilities. We experimentally quantified potential changes in sound sensitivity for an abundant, commercially and ecologically important squid species (Doryteuthis pealeii) exposed to actual in situ pile driving. The pile was 0.3-m diameter and 10-m long; hammer energy reached 16 kJ per strike. Sound detection thresholds were determined using auditory evoked potentials in animals with no exposure, after one 15-min or five repeated 15-min long pile driving sound sequences, corresponding to cumulative sound exposure levels of 110 and 131 dB re (1 μm s-2)2 s for acceleration and 187 and 214 dB re (1 μPa)2 s for pressure. We found no statistical evidence of temporary threshold shifts in any squid exposed to pile driving sound sequences. These results, combined with companion behavioral studies, suggest that squid may be robust to the sound impacts during offshore windfarm construction.
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Affiliation(s)
- Youenn Jézéquel
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
| | - T Aran Mooney
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
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2
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Passos MFDO, Beirão MV, Midamegbe A, Duarte RHL, Young RJ, de Azevedo CS. Impacts of noise pollution on the agonistic interactions of the saffron finch (Sicalis flaveola Linnaeus, 1766). Behav Processes 2020; 180:104222. [PMID: 32828808 DOI: 10.1016/j.beproc.2020.104222] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 08/12/2020] [Accepted: 08/14/2020] [Indexed: 12/29/2022]
Abstract
Impacts of noise pollution are recognized as a source of stress for animals and as a form of environmental degradation. Behavioural changes associated with noise, such as reduction of reproductive success, reduction in feeding behaviour, increase in vigilance behaviours and inability to detect environment acoustic signals, are observed. The aim of the present study was to evaluate how noise influences aggressive behaviour of the saffron finch (Sicalis flaveola). We conducted tests of territoriality-aggressiveness against conspecifics. Seven individuals were tested, with six tests per individual being conducted in two treatments (traffic pollution and ambient noise), totalling 84 tests. The noise treatment significantly altered the agonistic interactions of the saffron finches, with territorial males exhibiting less aggressive behaviours towards intruders.
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Affiliation(s)
- Marcela Fortes de Oliveira Passos
- Departamento de Evolução, Biodiversidade e Meio Ambiente, Instituto de Ciências Exatas e Biológicas, Universidade Federal de Ouro Preto, Campus Morro do Cruzeiro, s/n, Bauxita, Cep: 35400-000, Ouro Preto, Minas Gerais, Brasil.
| | - Marina Vale Beirão
- Departamento de Evolução, Biodiversidade e Meio Ambiente, Instituto de Ciências Exatas e Biológicas, Universidade Federal de Ouro Preto, Campus Morro do Cruzeiro, s/n, Bauxita, Cep: 35400-000, Ouro Preto, Minas Gerais, Brasil.
| | - Afiwa Midamegbe
- Instituto de Ciências Biológicas e da Saúde, Pontifícia Universidade Católica de Minas Gerais. Avenida Dom José Gaspar, 500, Coração Eucarístico. Cep: 30535-901, Belo Horizonte, Brazil.
| | - Renan Henriques Lage Duarte
- Instituto de Ciências Biológicas e da Saúde, Pontifícia Universidade Católica de Minas Gerais. Avenida Dom José Gaspar, 500, Coração Eucarístico. Cep: 30535-901, Belo Horizonte, Brazil.
| | - Robert John Young
- University of Salford Manchester, Peel Building - Room G51, Salford, M5 4WT, United Kingdom.
| | - Cristiano Schetini de Azevedo
- Departamento de Evolução, Biodiversidade e Meio Ambiente, Instituto de Ciências Exatas e Biológicas, Universidade Federal de Ouro Preto, Campus Morro do Cruzeiro, s/n, Bauxita, Cep: 35400-000, Ouro Preto, Minas Gerais, Brasil.
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3
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Bauer BW, Martin RL, Allan NP, Fink-Miller EL, Capron DW. An Investigation into the Acquired Capability for Suicide. Suicide Life Threat Behav 2019; 49:1105-1118. [PMID: 30091246 DOI: 10.1111/sltb.12502] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Accepted: 07/11/2018] [Indexed: 01/02/2023]
Abstract
OBJECTIVE The acquired capability for suicide (ACS) is one of the most important breakthroughs in suicide research. ACS refers to an individual's increased fearlessness about death over time from experiencing painful and provocative events (PPE) and is based on opponent-process theory-a habituation model. Few studies have investigated how ACS develops and found that ACS remained relatively stagnant. METHOD This study sought to expand these findings by observing how ACS develops in two cross-sectional data sets involving high-risk nonclinical samples of physicians (n = 419) and veterinary students (n = 124). Participants completed online questionnaires assessing both general PPEs (e.g., witnessing abuse) and job-specific PPEs (e.g., exposure to euthanasia), as well as ACS. RESULTS Our results partially replicated prior findings indicating that more PPEs do not significantly affect ACS. CONCLUSIONS Limitations of this study include the use of cross-sectional data and self-report measures. These results, in combination with existing models of habituation, suggest ACS may not progress linearly.
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Affiliation(s)
- Brian W Bauer
- Department of Psychology, University of Southern Mississippi, Hattiesburg, MS, USA
| | - Rachel L Martin
- Department of Psychology, University of Southern Mississippi, Hattiesburg, MS, USA
| | | | | | - Daniel W Capron
- Department of Psychology, University of Southern Mississippi, Hattiesburg, MS, USA
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Dehaudt B, Nguyen M, Vadlamudi A, Blumstein DT. Giant clams discriminate threats along a risk gradient and display varying habituation rates to different stimuli. Ethology 2019. [DOI: 10.1111/eth.12863] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Bastien Dehaudt
- Department of Ecology and Evolutionary Biology University of California Los Angeles Los Angeles California
| | - My Nguyen
- Department of Ecology and Evolutionary Biology University of California Los Angeles Los Angeles California
| | - Arjun Vadlamudi
- Department of Ecology and Evolutionary Biology University of California Los Angeles Los Angeles California
| | - Daniel T. Blumstein
- Department of Ecology and Evolutionary Biology University of California Los Angeles Los Angeles California
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5
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Sertlek HÖ, Slabbekoorn H, Ten Cate C, Ainslie MA. Source specific sound mapping: Spatial, temporal and spectral distribution of sound in the Dutch North Sea. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 247:1143-1157. [PMID: 30823343 DOI: 10.1016/j.envpol.2019.01.119] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Revised: 01/22/2019] [Accepted: 01/30/2019] [Indexed: 06/09/2023]
Abstract
Effective measures for protecting and preserving the marine environment require an understanding of the potential impact of anthropogenic sound on marine life. A crucial component is a proper assessment of the anthropogenic soundscape: which sounds are present where, when and how strong? We provide an extensive case study modelling the spatial, temporal and spectral distribution of sound radiated by several anthropogenic sources (ships, seismic airguns, explosives) and a naturally occurring one (wind) in the Dutch North Sea. We present the results as a series of sound maps covering the whole of the Dutch North Sea, showing the spatial and temporal distribution of the energy from these sources. Averaged over a two year period, shipping is responsible for the largest amount of acoustic energy (∼1800 J), followed by seismic surveys (∼300 J), explosions (∼20 J) and wind (∼20 J) in the frequency band between 100 Hz and 100 kHz. Our study shows that anthropogenic sources are responsible for 100 times more acoustic energy (averaged over 2 years) in the Dutch North Sea than naturally occurring sound from wind. The potential impact of these sounds on aquatic animals depends not only on these temporally averaged and spatially integrated broadband energies, but also on the source-specific spatial, spectral and temporal variation. Shipping is dominant in the southern part and along the coast in the north, throughout the years and across the spectrum. Seismic surveys are relatively local and spatially and temporally dependent on exploration activities in any particular year, and spectrally shifted to low frequencies relative to the other sources. Explosions in the southern part contribute wide-extent high energy bursts across the spectrum. Relating modelled sound fields to the temporal and spatial distribution of animal species may provide a powerful tool for understanding the potential impact of anthropogenic sound on marine life.
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Affiliation(s)
- Hüseyin Özkan Sertlek
- Behavioural Biology, Institute of Biology, Leiden University, P.O. Box 9505, 2300 RA, Leiden, the Netherlands; Gebze Technical University, Electronics Engineering Department, P.O. Box 141, 41400, Gebze, Turkey.
| | - Hans Slabbekoorn
- Behavioural Biology, Institute of Biology, Leiden University, P.O. Box 9505, 2300 RA, Leiden, the Netherlands
| | - Carel Ten Cate
- Behavioural Biology, Institute of Biology, Leiden University, P.O. Box 9505, 2300 RA, Leiden, the Netherlands
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Wilson M, Haga JÅR, Karlsen HE. Behavioural responses to infrasonic particle acceleration in cuttlefish. J Exp Biol 2018; 221:221/1/jeb166074. [DOI: 10.1242/jeb.166074] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Accepted: 11/06/2017] [Indexed: 11/20/2022]
Abstract
ABSTRACT
Attacks by aquatic predators generate frontal water disturbances characterised by low-frequency gradients in pressure and particle motion. Low-frequency hearing is highly developed in cephalopods. Thus, we examined behavioural responses in juvenile cuttlefish to infrasonic accelerations mimicking main aspects of the hydrodynamic signals created by predators. In the experimental set-up, animals and their surrounding water moved as a unit to minimise lateral line activation and to allow examination of the contribution by the inner ear. Behavioural responses were tested in light versus darkness and after food deprivation following a ‘simulated’ hunting opportunity. At low acceleration levels, colour change threshold at 3, 5 and 9 Hz was 0.028, 0.038 and 0.035 m s−2, respectively. At higher stimulus levels, jet-propulsed escape responses thresholds in daylight were 0.043, 0.065 and 0.069 m s−2 at 3, 5 and 9 Hz, respectively, and not significantly different from the corresponding darkness thresholds of 0.043, 0.071 and 0.064 m s−2. In a simulated hunting mode, escape thresholds were significantly higher at 3 Hz (0.118 m s−2) but not at 9 Hz (0.134 m s−2). Escape responses were directional, and overall followed the direction of the initial particle acceleration, with mean escape angles from 313 to 33 deg for all three experiments. Thus, in the wild, particle acceleration might cause escape responses directed away from striking predators but towards suction-feeding predators. We suggest that cuttlefish jet-propulsed escape behaviour has evolved to be elicited by the early hydrodynamic disturbances generated during predator encounters, and that the inner ear plays an essential role in the acoustic escape responses.
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Affiliation(s)
- Maria Wilson
- Department of Biology, University of Southern Denmark, 5230 Odense M, Denmark
- Department of Biosciences, Faculty of Mathematics and Natural Sciences, University of Oslo, 0315 Oslo, Norway
| | - Jens Ådne Rekkedal Haga
- Department of Biosciences, Faculty of Mathematics and Natural Sciences, University of Oslo, 0315 Oslo, Norway
| | - Hans Erik Karlsen
- Department of Biosciences, Faculty of Mathematics and Natural Sciences, University of Oslo, 0315 Oslo, Norway
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7
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Charifi M, Sow M, Ciret P, Benomar S, Massabuau JC. The sense of hearing in the Pacific oyster, Magallana gigas. PLoS One 2017; 12:e0185353. [PMID: 29069092 PMCID: PMC5656301 DOI: 10.1371/journal.pone.0185353] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 09/11/2017] [Indexed: 11/18/2022] Open
Abstract
There is an increasing concern that anthropogenic noise could have a significant impact on the marine environment, but there is still insufficient data for most invertebrates. What do they perceive? We investigated this question in oysters Magallana gigas (Crassostrea gigas) using pure tone exposures, accelerometer fixed on the oyster shell and hydrophone in the water column. Groups of 16 oysters were exposed to quantifiable waterborne sinusoidal sounds in the range of 10 Hz to 20 kHz at various acoustic energies. The experiment was conducted in running seawater using an experimental flume equipped with suspended loudspeakers. The sensitivity of the oysters was measured by recording their valve movements by high-frequency noninvasive valvometry. The tests were 3 min tone exposures including a 70 sec fade-in period. Three endpoints were analysed: the ratio of responding individuals in the group, the resulting changes of valve opening amplitude and the response latency. At high enough acoustic energy, oysters transiently closed their valves in response to frequencies in the range of 10 to <1000 Hz, with maximum sensitivity from 10 to 200 Hz. The minimum acoustic energy required to elicit a response was 0.02 m∙s-2 at 122 dBrms re 1 μPa for frequencies ranging from 10 to 80 Hz. As a partial valve closure cannot be differentiated from a nociceptive response, it is very likely that oysters detect sounds at lower acoustic energy. The mechanism involved in sound detection and the ecological consequences are discussed.
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Affiliation(s)
- Mohcine Charifi
- University of Bordeaux, EPOC, UMR 5805, Arcachon, France
- CNRS, EPOC, UMR 5805, Talence, France
- Unit of Research on Biological Rhythms, Neuroscience and Environment, Faculty of Science, Mohammed V-Agdal University, Rabat, Morocco
| | - Mohamedou Sow
- University of Bordeaux, EPOC, UMR 5805, Arcachon, France
- CNRS, EPOC, UMR 5805, Talence, France
| | - Pierre Ciret
- University of Bordeaux, EPOC, UMR 5805, Arcachon, France
- CNRS, EPOC, UMR 5805, Talence, France
| | - Soumaya Benomar
- Unit of Research on Biological Rhythms, Neuroscience and Environment, Faculty of Science, Mohammed V-Agdal University, Rabat, Morocco
| | - Jean-Charles Massabuau
- University of Bordeaux, EPOC, UMR 5805, Arcachon, France
- CNRS, EPOC, UMR 5805, Talence, France
- * E-mail:
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8
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Carroll AG, Przeslawski R, Duncan A, Gunning M, Bruce B. A critical review of the potential impacts of marine seismic surveys on fish & invertebrates. MARINE POLLUTION BULLETIN 2017; 114:9-24. [PMID: 27931868 DOI: 10.1016/j.marpolbul.2016.11.038] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 11/11/2016] [Accepted: 11/16/2016] [Indexed: 05/23/2023]
Abstract
Marine seismic surveys produce high intensity, low-frequency impulsive sounds at regular intervals, with most sound produced between 10 and 300Hz. Offshore seismic surveys have long been considered to be disruptive to fisheries, but there are few ecological studies that target commercially important species, particularly invertebrates. This review aims to summarise scientific studies investigating the impacts of low-frequency sound on marine fish and invertebrates, as well as to critically evaluate how such studies may apply to field populations exposed to seismic operations. We focus on marine seismic surveys due to their associated unique sound properties (i.e. acute, low-frequency, mobile source locations), as well as fish and invertebrates due to the commercial value of many species in these groups. The main challenges of seismic impact research are the translation of laboratory results to field populations over a range of sound exposure scenarios and the lack of sound exposure standardisation which hinders the identification of response thresholds. An integrated multidisciplinary approach to manipulative and in situ studies is the most effective way to establish impact thresholds in the context of realistic exposure levels, but if that is not practical the limitations of each approach must be carefully considered.
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Affiliation(s)
- A G Carroll
- National Earth and Marine Observations Branch, Geoscience Australia, GPO Box 378, Canberra ACT 2601, Australia.
| | - R Przeslawski
- National Earth and Marine Observations Branch, Geoscience Australia, GPO Box 378, Canberra ACT 2601, Australia
| | - A Duncan
- Centre for Marine Science and Technology, Curtin University, GPO Box U1987, Perth WA 6845, Australia
| | - M Gunning
- Energy Systems Branch, Geoscience Australia, GPO Box 378, Canberra ACT 2601, Australia
| | - B Bruce
- Commonwealth Scientific and Industrial Research Organisation, GPO Box 1538, Hobart TAS 7001, Australia
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9
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Vazzana M, Celi M, Maricchiolo G, Genovese L, Corrias V, Quinci EM, de Vincenzi G, Maccarrone V, Cammilleri G, Mazzola S, Buscaino G, Filiciotto F. Are mussels able to distinguish underwater sounds? Assessment of the reactions of Mytilus galloprovincialis after exposure to lab-generated acoustic signals. Comp Biochem Physiol A Mol Integr Physiol 2016; 201:61-70. [DOI: 10.1016/j.cbpa.2016.06.029] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 06/22/2016] [Accepted: 06/23/2016] [Indexed: 11/27/2022]
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10
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Coral reef soundscapes may not be detectable far from the reef. Sci Rep 2016; 6:31862. [PMID: 27550394 PMCID: PMC4994009 DOI: 10.1038/srep31862] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2016] [Accepted: 07/28/2016] [Indexed: 11/23/2022] Open
Abstract
Biological sounds produced on coral reefs may provide settlement cues to marine larvae. Sound fields are composed of pressure and particle motion, which is the back and forth movement of acoustic particles. Particle motion (i.e., not pressure) is the relevant acoustic stimulus for many, if not most, marine animals. However, there have been no field measurements of reef particle motion. To address this deficiency, both pressure and particle motion were recorded at a range of distances from one Hawaiian coral reef at dawn and mid-morning on three separate days. Sound pressure attenuated with distance from the reef at dawn. Similar trends were apparent for particle velocity but with considerable variability. In general, average sound levels were low and perhaps too faint to be used as an orientation cue except very close to the reef. However, individual transient sounds that exceeded the mean values, sometimes by up to an order of magnitude, might be detectable far from the reef, depending on the hearing abilities of the larva. If sound is not being used as a long-range cue, it might still be useful for habitat selection or other biological activities within a reef.
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11
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Lucke K, Popper AN, Hawkins AD, Akamatsu T, André M, Branstetter BK, Lammers M, Radford CA, Stansbury AL, Aran Mooney T. Auditory sensitivity in aquatic animals. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2016; 139:3097. [PMID: 27369131 DOI: 10.1121/1.4952711] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A critical concern with respect to marine animal acoustics is the issue of hearing "sensitivity," as it is widely used as a criterion for the onset of noise-induced effects. Important aspects of research on sensitivity to sound by marine animals include: uncertainties regarding how well these species detect and respond to different sounds; the masking effects of man-made sounds on the detection of biologically important sounds; the question how internal state, motivation, context, and previous experience affect their behavioral responses; and the long-term and cumulative effects of sound exposure. If we are to better understand the sensitivity of marine animals to sound we must concentrate research on these questions. In order to assess population level and ecological community impacts new approaches can possibly be adopted from other disciplines and applied to marine fauna.
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Affiliation(s)
- Klaus Lucke
- Centre for Marine Science & Technology, Curtin University, GPO Box U1987, Bentley, Western Australia 6845, Australia
| | - Arthur N Popper
- Department of Biology, University of Maryland, College Park, Maryland 20742, USA
| | - Anthony D Hawkins
- Loughine Marine Research, Kincraig, Blairs, Aberdeen, AB12 5YT, United Kingdom
| | - Tomonari Akamatsu
- National Research Institute of Fisheries Science, Fisheries Research Agency, 2-12-4 Fukuura, Kanazawa, Yokohama, Kanagawa 236-8648, Japan
| | - Michel André
- Laboratory of Applied Bioacoustics, Technical University of Catalonia, BarcelonaTech, Rambla Exposició, 24, 08800 Vilanova i la Geltrú, Barcelona, Spain
| | - Brian K Branstetter
- National Marine Mammal Foundation, 2240 Shelter Island Drive, No. 200, San Diego, California 92106, USA
| | - Marc Lammers
- Hawaii Institute of Marine Biology & Oceanwide Science Institute, P.O. Box 1346, Kaneohe, Hawaii 96744, USA
| | - Craig A Radford
- Leigh Marine Laboratory, Institute of Marine Science, University of Auckland, 160 Goat Island Road, Leigh 0985, New Zealand
| | - Amanda L Stansbury
- Sea Mammal Research Unit, Scottish Oceans Institute, University of St. Andrews, St. Andrews, Fife, KY16 8LB, United Kingdom
| | - T Aran Mooney
- Biology Department, Woods Hole Oceanographic Institution, Marine Research Facility, MS #50, 266 Woods Hole Road, Massachusetts 02543, USA
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12
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Loudness-dependent behavioral responses and habituation to sound by the longfin squid (Doryteuthis pealeii). J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2016; 202:489-501. [DOI: 10.1007/s00359-016-1092-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Revised: 05/02/2016] [Accepted: 05/12/2016] [Indexed: 10/21/2022]
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13
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Solan M, Hauton C, Godbold JA, Wood CL, Leighton TG, White P. Anthropogenic sources of underwater sound can modify how sediment-dwelling invertebrates mediate ecosystem properties. Sci Rep 2016; 6:20540. [PMID: 26847483 PMCID: PMC4742813 DOI: 10.1038/srep20540] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Accepted: 01/06/2016] [Indexed: 11/09/2022] Open
Abstract
Coastal and shelf environments support high levels of biodiversity that are vital in mediating ecosystem processes, but they are also subject to noise associated with mounting levels of offshore human activity. This has the potential to alter the way in which species interact with their environment, compromising the mediation of important ecosystem properties. Here, we show that exposure to underwater broadband sound fields that resemble offshore shipping and construction activity can alter sediment-dwelling invertebrate contributions to fluid and particle transport--key processes in mediating benthic nutrient cycling. Despite high levels of intra-specific variability in physiological response, we find that changes in the behaviour of some functionally important species can be dependent on the class of broadband sound (continuous or impulsive). Our study provides evidence that exposing coastal environments to anthropogenic sound fields is likely to have much wider ecosystem consequences than are presently acknowledged.
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Affiliation(s)
- Martin Solan
- Ocean and Earth Science, National Oceanography Centre, Southampton, University of Southampton, Waterfront Campus, European Way, Southampton, SO14 3ZH
| | - Chris Hauton
- Ocean and Earth Science, National Oceanography Centre, Southampton, University of Southampton, Waterfront Campus, European Way, Southampton, SO14 3ZH
| | - Jasmin A Godbold
- Ocean and Earth Science, National Oceanography Centre, Southampton, University of Southampton, Waterfront Campus, European Way, Southampton, SO14 3ZH.,Centre for Biological Sciences, Faculty of Natural and Environmental Sciences, University of Southampton, Highfield Campus, Southampton, SO17 1BJ
| | - Christina L Wood
- Ocean and Earth Science, National Oceanography Centre, Southampton, University of Southampton, Waterfront Campus, European Way, Southampton, SO14 3ZH
| | - Timothy G Leighton
- Institute of Sound &Vibration Research, Faculty of Engineering and the Environment, University of Southampton, Southampton, SO17 1BJ
| | - Paul White
- Institute of Sound &Vibration Research, Faculty of Engineering and the Environment, University of Southampton, Southampton, SO17 1BJ
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14
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Samson JE, Mooney TA, Gussekloo SWS, Hanlon RT. A Brief Review of Cephalopod Behavioral Responses to Sound. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2016; 875:969-75. [DOI: 10.1007/978-1-4939-2981-8_120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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15
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Fuchs HL, Christman AJ, Gerbi GP, Hunter EJ, Diez FJ. Directional flow sensing by passively stable larvae. J Exp Biol 2015; 218:2782-92. [DOI: 10.1242/jeb.125096] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
ABSTRACT
Mollusk larvae have a stable, velum-up orientation that may influence how they sense and react to hydrodynamic signals applied in different directions. Directional sensing abilities and responses could affect how a larva interacts with anisotropic fluid motions, including those in feeding currents and in boundary layers encountered during settlement. Oyster larvae (Crassostrea virginica) were exposed to simple shear in a Couette device and to solid-body rotation in a single rotating cylinder. Both devices were operated in two different orientations, one with the axis of rotation parallel to the gravity vector, and one with the axis perpendicular. Larvae and flow were observed simultaneously with near-infrared particle-image velocimetry, and behavior was quantified as a response to strain rate, vorticity and centripetal acceleration. Only flows rotating about a horizontal axis elicited the diving response observed previously for oyster larvae in turbulence. The results provide strong evidence that the turbulence-sensing mechanism relies on gravity-detecting organs (statocysts) rather than mechanosensors (cilia). Flow sensing with statocysts sets oyster larvae apart from zooplankters such as copepods and protists that use external mechanosensors in sensing spatial velocity gradients generated by prey or predators. Sensing flow-induced changes in orientation, rather than flow deformation, would enable more efficient control of vertical movements. Statocysts provide larvae with a mechanism of maintaining their upward swimming when rotated by vortices and initiating dives toward the seabed in response to the strong turbulence associated with adult habitats.
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Affiliation(s)
- Heidi L. Fuchs
- Department of Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ 08901, USA
| | - Adam J. Christman
- Department of Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ 08901, USA
| | - Gregory P. Gerbi
- Physics Department, Skidmore College, Saratoga Springs, NY 12866, USA
| | - Elias J. Hunter
- Department of Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ 08901, USA
| | - F. Javier Diez
- Mechanical and Aerospace Engineering, Rutgers University, New Brunswick, NJ 08901, USA
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