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Valenzisi B, Parsons M, Huggett M, Raoult V, Gaston T. Urbanisation and boating are the main contributors to underwater soundscapes in three temperate estuaries. MARINE POLLUTION BULLETIN 2024; 206:116792. [PMID: 39106628 DOI: 10.1016/j.marpolbul.2024.116792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 07/28/2024] [Accepted: 07/29/2024] [Indexed: 08/09/2024]
Abstract
Anthropogenic noise has been identified as one of the most harmful forms of global pollutants impacting both terrestrial and aquatic ecosystems. As global populations continue to increase, coastlines are seeing substantial increases in the level of urbanisation. Although measures are in place to minimise stress on fauna, they rarely consider the impact of anthropogenic noise. In Australia, New South Wales (NSW) estuaries have seen extensive increases in urbanisation in recent years. Yet, there remains minimal baseline data on their soundscapes to determine if noise pollution is a threat. This research provides a first assessment of baseline sounds across a temporal and seasonal scale. Recreational boating was the primary soundscape contributor in estuaries, and estuaries with higher urbanisation levels contained higher sound levels. This research provides useful information for managers of NSW estuaries and is of global relevance in an era of increasing generation of anthropogenic noise in estuarine and coastal systems.
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Affiliation(s)
| | - Miles Parsons
- Australian Institute of Marine Science, Indian Ocean Marine Research Centre, Crawley, WA 6009, Australia
| | - Megan Huggett
- University of Newcastle, Ourimbah Campus, NSW 2258, Australia
| | - Vincent Raoult
- University of Newcastle, Ourimbah Campus, NSW 2258, Australia; Coastal and Marine Research Centre, Griffith University, Gold Coast, QLD 4222, Australia
| | - Troy Gaston
- University of Newcastle, Ourimbah Campus, NSW 2258, Australia
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2
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Leone MT, Warren JD. Vessels and aircraft are chronic sources of anthropogenic noise in coastal marine and terrestrial soundscapes on Long Island, New York. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 355:124208. [PMID: 38795817 DOI: 10.1016/j.envpol.2024.124208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 04/11/2024] [Accepted: 05/22/2024] [Indexed: 05/28/2024]
Abstract
Passive acoustic data collected during 2020 and 2021 were used to monitor changes in both terrestrial and underwater soundscapes, as well as human activity from aircraft and vessels. Passive acoustic data were collected at two artificial reefs south of Long Island, as well as along ocean beaches in Southampton, NY. At the artificial reefs, vessel noise was recorded more frequently during 2020 than in 2021. Commercial vessels and multi-user charter fishing vessels were more abundant during 2020. Peaks in power spectral density occurred at 60, 90 and 120 Hz in 2020 and 2021, which are frequencies consistent with noise generated by commercial vessels, suggesting that vessels are a significant contributor to the soundscape of the artificial reefs. In the terrestrial environment, noise generated by aircraft was more common during 2021. Peaks in power spectral density were measured around 160 and 290 Hz at one of the ocean beach sites. These frequencies are consistent with noise generated by aircraft. This study documents the chronic extent of anthropogenic noise in both the underwater and terrestrial environments of Long Island, NY, as well as quantifies the occurrence of various noise sources in these habitats.
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Affiliation(s)
- Melissa T Leone
- School of Marine and Atmospheric Sciences, Stony Brook University, Southampton, NY, 11968, USA
| | - Joseph D Warren
- School of Marine and Atmospheric Sciences, Stony Brook University, Southampton, NY, 11968, USA.
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3
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Ogurek SDL, Halliday WD, Woods MB, Brown N, Balshine S, Juanes F. Boat noise impedes vocalizations of wild plainfin midshipman fish. MARINE POLLUTION BULLETIN 2024; 203:116412. [PMID: 38703628 DOI: 10.1016/j.marpolbul.2024.116412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 04/19/2024] [Accepted: 04/19/2024] [Indexed: 05/06/2024]
Abstract
Marine noise is recognised as a growing threat that can induce maladaptive behavioural changes in many aquatic animals, including fishes. The plainfin midshipman is a soniferous fish with a prolonged breeding period, during which males produce tonal hums that attract females, and grunts and growls during agonistic interactions. In this study, we used acoustic recordings to assess the effects of boat noise on the presence, peak frequencies, and durations of plainfin midshipman calls in the wild. We found that all three call types were less likely to occur, and the peak frequencies of hums and grunts increased in the presence of boat noise. We also show that loud and quiet boat noise affected plainfin midshipman vocalizations similarly. As anthropogenic noise is likely to increase in the ocean, it will be important to understand how such noise can affect communication systems, and consequently population health and resiliency.
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Affiliation(s)
| | - William D Halliday
- School of Earth and Ocean Sciences, University of Victoria, Victoria, BC, Canada; Wildlife Conservation Society Canada, Whitehorse, YT, Canada
| | | | - Nick Brown
- Department of Biology, University of Victoria, Victoria, BC, Canada; Department of Psychology, Neuroscience, & Behaviour, McMaster University, Hamilton, ON, Canada
| | - Sigal Balshine
- Department of Psychology, Neuroscience, & Behaviour, McMaster University, Hamilton, ON, Canada
| | - Francis Juanes
- Department of Biology, University of Victoria, Victoria, BC, Canada
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4
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Bittencourt L, Barbosa M, Fernandes M, Bisi TL, Lailson-Brito J, Azevedo AF. Fish chorus variation in a tropical estuarine environmenta). THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2023; 154:3158-3167. [PMID: 37966334 DOI: 10.1121/10.0022413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 10/31/2023] [Indexed: 11/16/2023]
Abstract
Fish choruses are still understudied in the Southwestern Atlantic Ocean. Temporal and spatial variation of fish choruses at two sites inside Guanabara Bay were investigated between 2021 and 2022; one sampling site was in a Marine Protected Area (MPA), and the other was in a rocky environment closer to vessel trafficking areas. Acoustic recordings were performed on 17 sampling occasions of 24 h, coupled to a temperature data logger. Long-term spectral averages were employed to determine choruses' start, end, and peak times, and third-octave levels were used to characterize spectral characteristics. Fish sounds were also analyzed and investigated with a principal components analysis. Choruses in the MPA lasted, on average, 4.5 h and had a peak frequency of 547.2 ± 226.6 kHz with a peak level of 104.6 ± 8.7 dB re 1 μPa. In contrast, the rocky site choruses lasted 5.5 h on average and had a peak frequency of 371.7 ± 131.0 Hz with a peak level of 113.4 ± 4.0 dB re 1 μPa. Chorus peak frequency was positively correlated to temperature (r = 0.4). Different types of fish sounds were identified, with some acoustics parameters varying between sites. Results indicate more than one chorusing species that may react to different factors.
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Affiliation(s)
- Lis Bittencourt
- Laboratório de Mamíferos Aquáticos e Bioindicadores-Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Mariana Barbosa
- Laboratório de Mamíferos Aquáticos e Bioindicadores-Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Myllene Fernandes
- Laboratório de Mamíferos Aquáticos e Bioindicadores-Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Tatiana L Bisi
- Laboratório de Mamíferos Aquáticos e Bioindicadores-Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - José Lailson-Brito
- Laboratório de Mamíferos Aquáticos e Bioindicadores-Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Alexandre F Azevedo
- Laboratório de Mamíferos Aquáticos e Bioindicadores-Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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5
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Michaiel AM, Bernard A. Neurobiology and changing ecosystems: Toward understanding the impact of anthropogenic influences on neurons and circuits. Front Neural Circuits 2022; 16:995354. [PMID: 36569799 PMCID: PMC9769128 DOI: 10.3389/fncir.2022.995354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 11/16/2022] [Indexed: 12/02/2022] Open
Abstract
Rapid anthropogenic environmental changes, including those due to habitat contamination, degradation, and climate change, have far-reaching effects on biological systems that may outpace animals' adaptive responses. Neurobiological systems mediate interactions between animals and their environments and evolved over millions of years to detect and respond to change. To gain an understanding of the adaptive capacity of nervous systems given an unprecedented pace of environmental change, mechanisms of physiology and behavior at the cellular and biophysical level must be examined. While behavioral changes resulting from anthropogenic activity are becoming increasingly described, identification and examination of the cellular, molecular, and circuit-level processes underlying those changes are profoundly underexplored. Hence, the field of neuroscience lacks predictive frameworks to describe which neurobiological systems may be resilient or vulnerable to rapidly changing ecosystems, or what modes of adaptation are represented in our natural world. In this review, we highlight examples of animal behavior modification and corresponding nervous system adaptation in response to rapid environmental change. The underlying cellular, molecular, and circuit-level component processes underlying these behaviors are not known and emphasize the unmet need for rigorous scientific enquiry into the neurobiology of changing ecosystems.
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6
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Maiditsch IP, Ladich F. Noise-induced masking of hearing in a labyrinth fish: effects on sound detection in croaking gouramis. PeerJ 2022; 10:e14230. [PMID: 36389415 PMCID: PMC9657181 DOI: 10.7717/peerj.14230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 09/22/2022] [Indexed: 11/11/2022] Open
Abstract
An increasing level of anthropogenic underwater noise (shipping, drilling, sonar use, etc.) impairs acoustic orientation and communication in fish by hindering signal transmission or detection. Different noise regimes can reduce the ability to detect sounds of conspecifics due to an upward shift of the hearing threshold, a phenomenon termed masking. We therefore investigated the masking effect of white noise on the auditory thresholds in female croaking gouramis (Trichopsis vittata, Osphronemidae). We hypothesized that noise would influence the detection of conspecific vocalizations and thus acoustic communication. The auditory evoked potentials (AEP) thresholds were measured at six different frequencies between 0.1 and 4 kHz using the AEP recording technique. Sound pressure level audiograms were determined under quiet laboratory conditions (no noise) and continuous white noise of 110 dB RMS. Thresholds increased in the presence of white noise at all tested frequencies by 12-18 dB, in particular at 1.5 kHz. Moreover, hearing curves were compared to spectra of conspecific sounds to assess sound detection in the presence of noise in various contexts. We showed that masking hinders the detection of conspecific sounds, which have main energies between 1.0 and 1.5 kHz. We predict that this will particularly affect hearing of female's low-intensity purring sounds during mating. Accordingly, noise will negatively affect acoustic communication and most likely reproductive success.
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Affiliation(s)
- Isabelle Pia Maiditsch
- Department of Behavioral and Cognitive Biology, University of Vienna, Vienna, Austria
- Paul Scherrer Institut, Villigen, Aargau, Switzerland
| | - Friedrich Ladich
- Department of Behavioral and Cognitive Biology, University of Vienna, Vienna, Austria
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7
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Context-dependent effects of anthropogenic noise on nest defence in a singing toadfish. Anim Behav 2022. [DOI: 10.1016/j.anbehav.2022.06.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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8
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Schlippe Justicia L, Fouilloux CA, Rojas B. Poison frog social behaviour under global change: potential impacts and future challenges. Acta Ethol 2022. [DOI: 10.1007/s10211-022-00400-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AbstractThe current and cascading effects of global change challenges the interactions both between animal individuals (i.e. social and sexual behaviour) and the environment they inhabit. Amphibians are an ecologically diverse class with a wide range of social and sexual behaviours, making them a compelling model to understand the potential adaptations of animals faced with the effects of human-induced rapid environmental changes (HIREC). Poison frogs (Dendrobatoidea) are a particularly interesting system, as they display diverse social behaviours that are shaped by conspecific and environmental interactions, thus offering a tractable system to investigate how closely related species may respond to the impacts of HIREC. Here, we discuss the potential impacts of global change on poison frog behaviour, and the future challenges this group may face in response to such change. We pay special attention to parental care and territoriality, which are emblematic of this clade, and consider how different species may flexibly respond and adapt to increasingly frequent and diverse anthropogenic stress. More specifically, we hypothesise that some parents may increase care (i.e. clutch attendance and distance travelled for tadpole transport) in HIREC scenarios and that species with more generalist oviposition and tadpole deposition behaviours may fare more positively than their less flexible counterparts; we predict that the latter may either face increased competition for resources limited by HIREC or will be forced to adapt and expand their natural preferences. Likewise, we hypothesise that human-driven habitat alteration will disrupt the acoustic and visual communication systems due to increased noise pollution and/or changes in the surrounding light environment. We highlight the need for more empirical research combining behavioural ecology and conservation to better predict species’ vulnerability to global change and efficiently focus conservation efforts.
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9
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Circadian and Tidal Changes in Snapping Shrimp (Alpheus brevicristatus) Sound Observed by a Moored Hydrophone in the Coastal Sea of Western Jeju. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12136493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Numerous studies have evaluated the acoustic characteristics of soniferous snapping shrimp, but a few are based on long-term mooring measurements. In this study, underwater ambient noise signals were collected from a hydrophone moored 10 m from the sea bed in the coastal sea of western Jeju, South Korea, from mid-September 2019 for 90 days to analyze the variation in the sound of snapping shrimp. The kernel signal and a threshold value were utilized to identify the snapping shrimp, and the snap rate per minute was computed for quantitative analysis. The results show that the mean and standard deviation of the snap rate in the western sea of Jeju was 2132 ± 432 per minute during the whole measurement period. The surface water temperature and tidal level decreased by 7 °C from 25 °C and 50 cm from 190 cm, respectively, over 90 days. The snap rate decreased from September mainly due to the decrease in water temperature by 71 times per minute for every 1 °C decrease. It showed a circadian cycle, increasing by 17~24% at sunrise and sunset compared to the daytime minimum. The snap rate at night was the highest in late summer but the rate dropped like the one during the day in late fall. The snap rate at high tide was 13% higher on average than at low tide. The circadian and tidal changes of the snapping shrimp sound from long-term mooring measurements may be used as primary data for underwater ambient noise and the ecological behavior of snapping shrimp.
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10
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Maiditsch IP, Ladich F. Effects of noise on acoustic and visual signalling in the Croaking Gourami: differences in adaptation strategies in fish. BIOACOUSTICS 2022. [DOI: 10.1080/09524622.2022.2086174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
| | - Friedrich Ladich
- Department of Behavioral and Cognitive Biology, University of Vienna, Vienna, Austria
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11
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Faria A, Fonseca PJ, Vieira M, Alves LMF, Lemos MFL, Novais SC, Matos AB, Vieira D, Amorim MCP. Boat noise impacts early life stages in the Lusitanian toadfish: A field experiment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 811:151367. [PMID: 34740663 DOI: 10.1016/j.scitotenv.2021.151367] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 10/12/2021] [Accepted: 10/28/2021] [Indexed: 06/13/2023]
Abstract
Marine traffic is the most common and chronic source of ocean noise pollution. Despite the evidence of detrimental effects of noise exposure on fish, knowledge about the effects on the critical early life stages - embryos and larvae - is still scarce. Here, we take a natural habitat-based approach to examine potential impacts of boat noise exposure in early life stages in a wild fish population of the Lusitanian toadfish (Halobatrachus didactylus). In-situ experiments were carried out in the Tagus estuary, an estuary with significant commercial and recreational boat traffic. Nests with eggs were exposed to either ambient (control) or boat noise (treatment), for 1 fortnight. Eggs were photographed before being assigned to each treatment, and after exposure, to count number of eggs and/or larvae to assess survival, and sampled to study development and oxidative stress and energy metabolism-related biomarkers. Data concerns 4 sampling periods (fortnights) from 2 years. Results indicate that offspring survival did not differ between treatments, but boat noise induced a detrimental effect on embryos and larvae stress response, and on larvae development. Embryos showed reduced levels of electron transport system (ETS), an energy metabolism-related biomarker, while larvae showed higher overall stress responses, with increased levels of superoxide dismutase (SOD) and DNA damage (oxidative stress related responses), ETS, and reduced growth. With this study, we provided the first evidence of detrimental effects of boat noise exposure on fish development in the field and on stress biomarker responses. If these critical early stages are not able to compensate and/or acclimate to the noise stress later in the ontogeny, then anthropogenic noise has the potential to severely affect this and likely other marine fishes, with further consequences for populations resilience and dynamics.
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Affiliation(s)
- A Faria
- MARE_Marine and Environmental Sciences Centre, ISPA, Instituto Universitário, Lisbon, Portugal
| | - P J Fonseca
- Departamento de Biologia Animal and cE3c_Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - M Vieira
- MARE_Marine and Environmental Sciences Centre, ISPA, Instituto Universitário, Lisbon, Portugal; Departamento de Biologia Animal and cE3c_Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - L M F Alves
- MARE-Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2050-641 Peniche, Portugal
| | - M F L Lemos
- MARE-Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2050-641 Peniche, Portugal
| | - S C Novais
- MARE-Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2050-641 Peniche, Portugal
| | - A B Matos
- MARE_Marine and Environmental Sciences Centre, ISPA, Instituto Universitário, Lisbon, Portugal
| | - D Vieira
- MARE_Marine and Environmental Sciences Centre, ISPA, Instituto Universitário, Lisbon, Portugal
| | - M C P Amorim
- MARE_Marine and Environmental Sciences Centre, ISPA, Instituto Universitário, Lisbon, Portugal; Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal.
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12
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Cronin AD, Smit JAH, Muñoz MI, Poirier A, Moran PA, Jerem P, Halfwerk W. A comprehensive overview of the effects of urbanisation on sexual selection and sexual traits. Biol Rev Camb Philos Soc 2022; 97:1325-1345. [PMID: 35262266 PMCID: PMC9541148 DOI: 10.1111/brv.12845] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 02/11/2022] [Accepted: 02/16/2022] [Indexed: 12/18/2022]
Abstract
Urbanisation can affect mating opportunities and thereby alter inter- and intra-sexual selection pressures on sexual traits. Biotic and abiotic urban conditions can influence an individual's success in pre- and post-copulatory mating, for example through impacts on mate attraction and mate preference, fertilisation success, resource competition or rival interactions. Divergent sexual selection pressures can lead to differences in behavioural, physiological, morphological or life-history traits between urban and non-urban populations, ultimately driving adaptation and speciation. Most studies on urban sexual selection and mating interactions report differences between urban and non-urban populations or correlations between sexual traits and factors associated with increased urbanisation, such as pollution, food availability and risk of predation and parasitism. Here we review the literature on sexual selection and sexual traits in relation to urbanisation or urban-associated conditions. We provide an extensive list of abiotic and biotic factors that can influence processes involved in mating interactions, such as signal production and transmission, mate choice and mating opportunities. We discuss all relevant data through the lens of two, non-mutually exclusive theories on sexual selection, namely indicator and sensory models. Where possible, we indicate whether these models provide the same or different predictions regarding urban-adapted sexual signals and describe different experimental designs that can be useful for the different models as well as to investigate the drivers of sexual selection. We argue that we lack a good understanding of: (i) the factors driving urban sexual selection; (ii) whether reported changes in traits result in adaptive benefits; and (iii) whether these changes reflect a short-term ecological, or long-term evolutionary response. We highlight that urbanisation provides a unique opportunity to study the process and outcomes of sexual selection, but that this requires a highly integrative approach combining experimental and observational work.
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Affiliation(s)
- Andrew D Cronin
- Department of Ecological Sciences, Vrije Universiteit, De Boelelaan 1085, Amsterdam, 1081 HV, The Netherlands
| | - Judith A H Smit
- Department of Ecological Sciences, Vrije Universiteit, De Boelelaan 1085, Amsterdam, 1081 HV, The Netherlands
| | - Matías I Muñoz
- Department of Ecological Sciences, Vrije Universiteit, De Boelelaan 1085, Amsterdam, 1081 HV, The Netherlands
| | - Armand Poirier
- Department of Ecological Sciences, Vrije Universiteit, De Boelelaan 1085, Amsterdam, 1081 HV, The Netherlands
| | - Peter A Moran
- Department of Ecological Sciences, Vrije Universiteit, De Boelelaan 1085, Amsterdam, 1081 HV, The Netherlands
| | - Paul Jerem
- Department of Ecological Sciences, Vrije Universiteit, De Boelelaan 1085, Amsterdam, 1081 HV, The Netherlands
| | - Wouter Halfwerk
- Department of Ecological Sciences, Vrije Universiteit, De Boelelaan 1085, Amsterdam, 1081 HV, The Netherlands
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13
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Chahouri A, Elouahmani N, Ouchene H. Recent progress in marine noise pollution: A thorough review. CHEMOSPHERE 2022; 291:132983. [PMID: 34801565 DOI: 10.1016/j.chemosphere.2021.132983] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/09/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
The increase in urbanization and the progressive development of marine industries have led to the appearance of a new kind of pollution called "noise pollution". This pollution exerts an increasing pressure on marine mammals, fish species, and invertebrates, which constitutes a new debate that must be controlled in a sustainable way by environmental and noise approaches with the objective of preserving marine and human life. Despite, noise pollution can travel long distances underwater, cover large areas, and have secondary effects on marine animals; by masking their ability to hear their prey or predators, finding their way, or connecting group members. During the COVID-19 pandemic, except for the transportation of essential goods and emergency services, all the public transport services were suspended including aircraft and ships. This lockdown has impacted positively on the marine environment through reduction of the noise sources. In this article, we are interested in noise pollution in general, its sources, impacts, and the management and future actions to follow. And since this pollution is not studied in Morocco, we focused on the different sources that can generate it on the Moroccan coasts. This is the first review article, which focuses on the impact of the COVID 19 pandemic on this type of pollution in the marine environment; which we aim to identify the impact of this pandemic on underwater noise and marine species. Finally, and given the increase in noise levels, preventive management, both at the national and international level, is required before irreversible damage is caused to biodiversity and the marine ecosystem.
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Affiliation(s)
- Abir Chahouri
- Aquatic System Laboratory: Marine and Continental Environment, Faculty of Sciences Agadir, Department of Biology, Ibn Zohr University, Agadir, Morocco.
| | - Nadia Elouahmani
- Aquatic System Laboratory: Marine and Continental Environment, Faculty of Sciences Agadir, Department of Biology, Ibn Zohr University, Agadir, Morocco
| | - Hanan Ouchene
- Aquatic System Laboratory: Marine and Continental Environment, Faculty of Sciences Agadir, Department of Biology, Ibn Zohr University, Agadir, Morocco
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14
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Underwater Sound Characteristics of a Ship with Controllable Pitch Propeller. JOURNAL OF MARINE SCIENCE AND ENGINEERING 2022. [DOI: 10.3390/jmse10030328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The time-dependent spectral characteristics of underwater sound radiated by an oceanic vessel have complex dependencies on ship machinery, propeller dynamics, and the hydrodynamics of the ship exhaust and motion, as well as onboard activities. Here, the underwater sound radiated by a ship equipped with a controllable pitch propeller (CPP) is analyzed and quantified via its (i) power spectral density for signal energetics, (ii) temporal coherence for machinery tonal sound, and (iii) spectral coherence for propeller amplitude-modulated cavitation noise. Frequency-modulated (FM) tonal signals are also characterized in terms of their frequency variations. These characteristics are compared for different propeller pitch ratios, ranging from 20% to 82% at a fixed number of propeller revolutions per minute (RPM). The efficacy and robustness of ship parameter estimation at different pitches are discussed. Finally, an analysis of one special measurement is provided: propeller pitch and RPM over the duration of the measurement when the ship changes speed. The 50% pitch was found to be a crucial point for this ship, around which the tonal characteristics of its underwater radiated sound attain their peak values while broadband sound and associated spectral coherences are at a minimum. The findings here elucidate the effects of pitch variation on underwater sound radiated by ships with controllable pitch propellers and has applications in ship design and underwater noise mitigation.
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15
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Virto LR, Dumez H, Romero C, Bailly D. How can ports act to reduce underwater noise from shipping? Identifying effective management frameworks. MARINE POLLUTION BULLETIN 2022; 174:113136. [PMID: 34952408 DOI: 10.1016/j.marpolbul.2021.113136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 11/05/2021] [Accepted: 11/09/2021] [Indexed: 06/14/2023]
Abstract
This paper aims to find mechanisms to align commercial interests with underwater noise reductions from commercial shipping. Through a survey and a series of interviews with representative stakeholders, we find that while acknowledging the wide variations in ports' specificities, port actions could support the reduction in underwater noise emissions from commercial shipping through changes in hull, propeller and engine design, and through operational measures associated with reduced speed, change of route and travel in convoy. Though the impact of underwater noise emissions on marine fauna is increasingly shown to be serious and wide-spread, there is uncertainty in the mechanisms, the contexts, and the levels which should lead to action, requiring precautionary management. Vessels owners are already dealing with significant investment and operating costs to comply with fuel, ballast water, NOx and CO2 requirements. To be successful, underwater noise programs should align with these factors. Based on a multiple criteria decision making (MCDM) approach, we find a set of compromise solutions for a wide range of stakeholders. Ports could propose actions such as discounted port fees and reduced ship waiting times at ports, both depending on underwater noise performance. Cooperation between ports to scale up actions through environmental indexes and classification societies' notations, and integration with other ports' actions could help support this. However, few vessels know their underwater noise baseline as there are very few hydrophone stations, and measurement methodologies are not standardized. Costs increase and availability decreases dramatically if the vessel buyer wants to improve the noise profile. Local demands regarding airborne noise close to airports boosted global pressure on the aviation industry to adopt existing quieting technology. This experience of the aviation noise control could inform the underwater noise process.
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Affiliation(s)
- Laura Recuero Virto
- Centre for the Law and Economics of the Sea (UMR M101 AMURE), European Institute for Marine Studies, Rue Dumont d'Urville, 29280 Plouzané, France; Interdisciplinary Institute for Innovation (UMR 9217 i3), École Polytechnique, Bâtiment Ensta, 828, Boulevard des Maréchaux, 91762 Palaiseau Cedex, France.
| | - Hervé Dumez
- Interdisciplinary Institute for Innovation (UMR 9217 i3), École Polytechnique, Bâtiment Ensta, 828, Boulevard des Maréchaux, 91762 Palaiseau Cedex, France.
| | - Carlos Romero
- ETS Ingenieros de Montes, Forestales y del Medio Natural, Universidad Politécnica de Madrid, Ciudad Universitaria s/n, 28040 Madrid, Spain.
| | - Denis Bailly
- Centre for the Law and Economics of the Sea (UMR M101 AMURE), European Institute for Marine Studies, Rue Dumont d'Urville, 29280 Plouzané, France.
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16
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Guh YJ, Tseng YC, Shao YT. To cope with a changing aquatic soundscape: Neuroendocrine and antioxidant responses to chronic noise stress in fish. Gen Comp Endocrinol 2021; 314:113918. [PMID: 34555413 DOI: 10.1016/j.ygcen.2021.113918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 09/12/2021] [Accepted: 09/17/2021] [Indexed: 11/17/2022]
Abstract
Anthropogenic underwater noises that change aquatic soundscapes represent an important issue in marine conservation. While it is evident that strong underwater acoustic pollutants may cause significant damage to fish at short ranges, the physiological effects of long-term exposure to relatively quiet but continuous noise are less well understood. Here, we present a summary of the known impacts of long-term underwater noise on hypothalamic-pituitary-interrenal (HPI) axis-mediated physiological responses, oxidant/antioxidant balance, and neurotransmitter regulation in fish. Cortisol is known to play a central role in physiological stress response, most often as a mediator of acute response. However, recent research indicates that noise exposure may also induce chronic corticosteroid responses, which involve increased rates of cortisol turnover. Moreover, continuous noise affects oxidative stress and antioxidant systems in vertebrates and fish, suggesting that oxidative species may mediate some noise-induced physiological responses and make these systems valuable noise stress markers. Lastly, noise stress is also known to affect neurotransmitters in the brain that may cause neurophysiological and behavioral changes. The neurochemical mechanisms underlying observed behavioral disorders in fish after exposure to changing acoustic environments are a topic of active research. Overall, a growing body of evidence suggests that chronic noise pollution could be a threat to fish populations. In future work, systematic and comparative investigations into long-term and transgenerational adaptive neuronal and metabolic responses to noise will be important to understand the physiological patterns and dynamics of noise response relevant to fish conservation.
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Affiliation(s)
- Ying-Jey Guh
- Marine Research Station, Institute of Cellular and Organismic Biology, Academia Sinica, Taiwan
| | - Yung-Che Tseng
- Marine Research Station, Institute of Cellular and Organismic Biology, Academia Sinica, Taiwan.
| | - Yi-Ta Shao
- Institute of Marine Biology, National Taiwan Ocean University, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Taiwan; Intelligent Maritime Research Center, National Taiwan Ocean University, Taiwan
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17
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Jézéquel Y, Bonnel J, Chauvaud L. Potential for acoustic masking due to shipping noise in the European lobster (Homarus gammarus). MARINE POLLUTION BULLETIN 2021; 173:112934. [PMID: 34537570 DOI: 10.1016/j.marpolbul.2021.112934] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 09/01/2021] [Accepted: 09/03/2021] [Indexed: 06/13/2023]
Abstract
Marine traffic is the most pervasive underwater anthropogenic noise pollution which can mask acoustic communication in marine mammals and fish, but its effect in marine invertebrates remains unknown. Here, we performed an at sea experiment to study the potential of shipping noise to mask and alter lobster acoustic communication. We used hydrophones to record buzzing sounds and accelerometers to detect lobster carapace vibrations (i.e. the buzzing sounds' sources). We demonstrated that male individuals produced carapace vibrations under various ambient noise conditions, including heavy shipping noise. However, while the associated waterborne buzzing sounds could be recorded under natural ambient noise levels, they were masked by shipping noise. Additionally, lobsters significantly increased their call rates in presence of shipping noise, suggesting a vocal compensation due to the reduction of intraspecific communication. This study reports for the first time the potential acoustic masking of lobster acoustic communication by chronic anthropogenic noise pollution, which could affect ecologically important behaviors.
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Affiliation(s)
- Youenn Jézéquel
- Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR 6539 UBO/CNRS/IRD/Ifremer, Plouzane, France; Woods Hole Oceanographic Institution, Biology Department, Woods Hole, MA 02543, USA.
| | - Julien Bonnel
- Woods Hole Oceanographic Institution, Applied Ocean Physics and Engineering Department, Woods Hole, MA 02543, USA.
| | - Laurent Chauvaud
- Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR 6539 UBO/CNRS/IRD/Ifremer, Plouzane, France.
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18
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Vieira M, Beauchaud M, Amorim MCP, Fonseca PJ. Boat noise affects meagre (Argyrosomus regius) hearing and vocal behaviour. MARINE POLLUTION BULLETIN 2021; 172:112824. [PMID: 34391007 DOI: 10.1016/j.marpolbul.2021.112824] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 08/01/2021] [Accepted: 08/02/2021] [Indexed: 06/13/2023]
Abstract
Aquatic noise has increased in last decades imposing new constraints on aquatic animals' acoustic communication. Meagre (Argyrosomus regius) produce loud choruses during the breeding season, likely facilitating aggregations and mating, and are thus amenable to being impacted by anthropogenic noise. We assessed the impact of boat noise on this species acoustic communication by: evaluating possible masking effects of boat noise on hearing using Auditory Evoked Potentials (AEP) and inspecting changes in chorus sound levels from free ranging fish upon boat passages. Our results point to a significant masking effect of anthropogenic noise since we observed a reduction of ca. 20 dB on the ability to discriminate conspecific calls when exposed to boat noise. Furthermore, we verified a reduction in chorus energy during ferryboat passages, a behavioural effect that might ultimately impact spawning. This study is one of few addressing the effects of boat noise by combining different methodologies both in the lab and with free ranging animals.
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Affiliation(s)
- Manuel Vieira
- Departamento de Biologia Animal and cE3c_Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal; MARE_Marine and Environmental Sciences Centre, ISPA, Instituto Universitário, Lisbon, Portugal, and Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal.
| | - Marilyn Beauchaud
- Equipe de Neuro-Ethologie Sensorielle; (ENES/CRNL, CNRS UMR 5292, Inserm UMR S 1028) Faculté des Sciences et Techniques, Université Jean-Monnet de Lyon/Saint-Etienne, Saint-Etienne, France
| | - M Clara P Amorim
- MARE_Marine and Environmental Sciences Centre, ISPA, Instituto Universitário, Lisbon, Portugal, and Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - Paulo J Fonseca
- Departamento de Biologia Animal and cE3c_Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
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19
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Rogers P, Debusschere E, Haan DD, Martin B, Slabbekoorn H. North Sea soundscapes from a fish perspective: Directional patterns in particle motion and masking potential from anthropogenic noise. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2021; 150:2174. [PMID: 34598635 DOI: 10.1121/10.0006412] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 08/11/2021] [Indexed: 06/13/2023]
Abstract
The aquatic world of animals is an acoustic world as sound is the most prominent sensory capacity to extract information about the environment for many aquatic species. Fish can hear particle motion, and a swim bladder potentially adds the additional capacity to sense sound pressure. Combining these capacities allows them to sense direction, distance, spectral content, and detailed temporal patterns. Both sound pressure and particle motion were recorded in a shallow part of the North Sea before and during exposure to a full-scale airgun array from an experimental seismic survey. Distinct amplitude fluctuations and directional patterns in the ambient noise were found to be fluctuating in phase with the tidal cycles and coming from distinct directions. It was speculated that the patterns may be determined by distant sources associated with large rivers and nearby beaches. Sounds of the experimental seismic survey were above the ambient conditions for particle acceleration up to 10 km from the source, at least as detectable for the measurement device, and up to 31 km for the sound pressure. These results and discussion provide a fresh perspective on the auditory world of fishes and a shift in the understanding about potential ranges over which they may have access to biologically relevant cues and be masked by anthropogenic noise.
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Affiliation(s)
- Peter Rogers
- Georgia Institute of Technology, North Avenue, Atlanta, Georgia 30332, USA
| | | | - Dick de Haan
- Wageningen Marine Research, Haringkade 1, IJmuiden, 1976 CP, The Netherlands
| | - Bruce Martin
- JASCO Applied Sciences, Dartmouth, Nova Scotia, Canada
| | - Hans Slabbekoorn
- Institute of Biology, Leiden University, Sylviusweg 72, Leiden, 2333BE, The Netherlands
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20
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Attwell JR, Ioannou CC, Reid CR, Herbert-Read JE. Fish Avoid Visually Noisy Environments Where Prey Targeting Is Reduced. Am Nat 2021; 198:421-432. [PMID: 34403312 DOI: 10.1086/715434] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
AbstractThe environment contains different forms of ecological noise that can reduce the ability of animals to detect information. Here, we ask whether animals adapt their behavior to either exploit or avoid areas of their environment with increased dynamic visual noise. Three-spined sticklebacks (Gasterosteus aculeatus) were immersed in environments with a simulated form of naturally occurring visual noise-moving light bands that form on underwater substrates caused by the refraction of light through surface waves. We tested whether this form of visual noise affected fish's habitat selection, movements, and prey-targeting behavior. Fish avoided areas of the environment with increased visual noise and achieved this by increasing their activity as a function of the locally perceived noise level. Fish were less likely to respond to virtual prey in environments with increased visual noise, highlighting a potential impact that visual noise has on their perceptual abilities. Fish did not increase or decrease their refuge use in environments with increased visual noise, providing no evidence that visual noise increased either exploratory or risk-aversive behavior. Our results indicate that animals can use simple behavioral strategies to avoid visually noisy environments, thereby mitigating the impacts that these environments appear to have on their perceptual abilities.
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21
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Dynamic visual noise promotes social attraction, but does not affect group size preference, in a shoaling fish. Anim Behav 2021. [DOI: 10.1016/j.anbehav.2021.04.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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22
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Alves D, Vieira M, Amorim MCP, Fonseca PJ. Boat noise interferes with Lusitanian toadfish acoustic communication. J Exp Biol 2021; 224:269006. [PMID: 34102670 DOI: 10.1242/jeb.234849] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 04/22/2021] [Indexed: 12/13/2022]
Abstract
Anthropogenic noise is considered a major underwater pollutant as increasing ocean background noise due to human activities is impacting aquatic organisms. One of the most prevalent anthropogenic sounds is boat noise. Although motorboat traffic has increased in the past few decades, its impact on the communication of fish is still poorly known. The highly vocal Lusitanian toadfish (Halobatrachus didactylus) is an excellent model to test the impact of this anthropogenic stressor as it relies on acoustic communication to attract mates. Here, we performed two experiments to test the impact of boat noise on the acoustic communication of the Lusitanian toadfish. Using the auditory evoked potential (AEP) technique, we first compared the maximum distance a fish can perceive a boatwhistle (BW), the mate attraction acoustic signal, before and after embedding it in boat noise. Noises from a small motorboat and from a ferryboat reduced the active space from a control value of 6.4-10.4 m to 2.0-2.5 m and 6.3-6.7 m, respectively. In the second experiment we monitored the acoustic behaviour of breeding males exposed to boat noise playbacks and we observed an increase in the inter-onset interval of BWs and a disruption of the usual vocal interactions between singing males. These results demonstrate that boat noise can severely reduce the acoustic active space and affect the chorusing behaviour in this species, which may have consequences in breeding success for individuals and could thus affect fitness.
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Affiliation(s)
- Daniel Alves
- Departamento de Biologia Animal and cE3c - Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Bloco C2. Campo Grande, 1749-016 Lisboa, Portugal
| | - Manuel Vieira
- Departamento de Biologia Animal and cE3c - Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Bloco C2. Campo Grande, 1749-016 Lisboa, Portugal
| | - M Clara P Amorim
- MARE - Marine and Environmental Sciences Centre, ISPA-Instituto Universitário, Lisbon, Portugal
| | - Paulo J Fonseca
- Departamento de Biologia Animal and cE3c - Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Bloco C2. Campo Grande, 1749-016 Lisboa, Portugal
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23
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Currie HAL, White PR, Leighton TG, Kemp PS. Collective behaviour of the European minnow (Phoxinus phoxinus) is influenced by signals of differing acoustic complexity. Behav Processes 2021; 189:104416. [PMID: 33971249 DOI: 10.1016/j.beproc.2021.104416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 04/30/2021] [Accepted: 05/05/2021] [Indexed: 01/01/2023]
Abstract
Collective behaviour, such as shoaling in fish, benefits individuals through a variety of activities such as social information exchange and anti-predator defence. Human driven disturbance (e.g. anthropogenic noise) is known to affect the behaviour and physiology of individual animals, but the disruption of social aggregations of fish remains poorly understood. Anthropogenic noise originates from a variety of activities and differs in acoustic structure, dominant frequencies, and spectral complexity. The response of groups of fish may differ greatly, depending on the type of noise, and how it is perceived (e.g. threatening or attractive). In a controlled laboratory study, high resolution video tracking in combination with fine scale acoustic mapping was used to investigate the response of groups of European minnows (Phoxinus phoxinus) to signals of differing acoustic complexity (sinewave tones vs octave band noise) under low (150 Hz) and high (2200 Hz) frequencies. Fish startled and decreased their mean group swimming speed under all four treatments, with low frequency sinewave tones having the greatest influence on group behaviour. The shoals exhibited spatial avoidance during both low frequency treatments, with more time spent in areas of lower acoustic intensity than expected. This study illustrates how noise can influence the spatial distribution and social dynamics within groups of fish, and owing to the high potential for freshwater aquatic environments to be influenced by anthropogenic activity, wider consequences for populations should be further investigated.
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Affiliation(s)
- Helen A L Currie
- International Centre for Ecohydraulics Research (ICER), University of Southampton, Boldrewood Innovation Campus, Southampton, SO16 7QF, UK.
| | - Paul R White
- Institute of Sound and Vibration Research, University of Southampton, Highfield, Southampton, SO17 1BJ, UK
| | - Timothy G Leighton
- Institute of Sound and Vibration Research, University of Southampton, Highfield, Southampton, SO17 1BJ, UK
| | - Paul S Kemp
- International Centre for Ecohydraulics Research (ICER), University of Southampton, Boldrewood Innovation Campus, Southampton, SO16 7QF, UK
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24
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Underwater Noise Monitoring with Real-Time and Low-Cost Systems, (The CORMA Experience). JOURNAL OF MARINE SCIENCE AND ENGINEERING 2021. [DOI: 10.3390/jmse9040390] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Marine life can be severely affected by anthropogenic underwater noise. This latter increased proportionally to the rise of human activities such as maritime traffic, marine civil engineering works, oil- and gas-related activities or offshore wind farms; so much so that, currently, it can be considered a threat to the environment. Assessing underwater noise requires quite some investments both in personnel and instrumentation. If this is affordable by several governmental and scientific organizations, this cannot be extended straightforwardly to all research initiatives or to developing countries. In addition, time and geographic coverage of monitoring can also be significantly limited by the costs of multiple installations. We explore the possibility to use a solution based on off-the-shelf and low-cost technologies combined with a scalable infrastructure developed with open-source tools only. The perspective to avoid proprietary solutions allows great flexibility in extending the current paradigm toward real-time transmission, processing, and web-based data access. Our solution has been deployed at sea in November 2020 and is providing data continuously ever since. First results from the analysis of these data allowed us to highlight several interesting abiotic and anthropogenic temporal patterns.
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25
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Dong L, Dong J, Caruso F, Zhao L, Li S. Temporal variation of the underwater soundscape in Jiaotou Bay, an Indo-Pacific humpback dolphin (Sousa chinensis) habitat off Hainan Island, China. Integr Zool 2021; 16:477-498. [PMID: 33818895 DOI: 10.1111/1749-4877.12530] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The underwater soundscape is an important ecological element affecting numerous aquatic animals, in particular dolphins, which must identify salient cues from ambient ocean noise. In this study, temporal variations in the soundscape of Jiaotou Bay were monitored from February 2016 to January 2017, where a population of Indo-Pacific humpback dolphins (Sousa chinensis) has recently been a regular sighting. An autonomous acoustic recorder was deployed in shallow waters, and 1/3-octave band sound pressure levels (SPLs) were calculated with central frequencies ranging from 25 Hz to 40 kHz, then were grouped into 3 subdivided bands via cluster analysis. SPLs at each major band showed significant differences on a diel, fishing-related period, seasonal, and tidal phase scale. Anthropogenic noise generated by passing ships and underwater explosions were recorded in the study area. The fish and dolphin acoustic activities both exhibited diel and seasonal variations, but no tidal cycle patterns. A negative significant relationship between anthropogenic sound detection rates and dolphin detection rates were observed, and fish detection rates showed no effect on dolphin detection rates, indicating anthropogenic activity avoidance and no forced foraging in dolphins in the study area. The results provide fundamental insight into the acoustic dynamics of an important Indo-Pacific humpback dolphin habitat within a coastal area affected by a rapid increase in human activity, and demonstrate the need to protect animal habitat from anthropogenic noises.
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Affiliation(s)
- Lijun Dong
- Marine Mammal and Marine Bioacoustics Laboratory, Chinese Academy of Sciences, Institute of Deep-sea Science and Engineering, Sanya, China
| | - Jianchen Dong
- University of Chinese Academy of Sciences, Beijing, China
| | - Francesco Caruso
- Marine Mammal and Marine Bioacoustics Laboratory, Chinese Academy of Sciences, Institute of Deep-sea Science and Engineering, Sanya, China
| | - Likun Zhao
- University of Chinese Academy of Sciences, Beijing, China
| | - Songhai Li
- Marine Mammal and Marine Bioacoustics Laboratory, Chinese Academy of Sciences, Institute of Deep-sea Science and Engineering, Sanya, China.,Tropical Marine Science Institute, National University of Singapore, Singapore.,Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
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26
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Lara RA, Vasconcelos RO. Impact of noise on development, physiological stress and behavioural patterns in larval zebrafish. Sci Rep 2021; 11:6615. [PMID: 33758247 PMCID: PMC7988139 DOI: 10.1038/s41598-021-85296-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 02/26/2021] [Indexed: 01/31/2023] Open
Abstract
Noise pollution is increasingly present in aquatic ecosystems, causing detrimental effects on growth, physiology and behaviour of organisms. However, limited information exists on how this stressor affects animals in early ontogeny, a critical period for development and establishment of phenotypic traits. We tested the effects of chronic noise exposure to increasing levels (130 and 150 dB re 1 μPa, continuous white noise) and different temporal regimes on larval zebrafish (Danio rerio), an important vertebrate model in ecotoxicology. The acoustic treatments did not affect general development or hatching but higher noise levels led to increased mortality. The cardiac rate, yolk sac consumption and cortisol levels increased significantly with increasing noise level at both 3 and 5 dpf (days post fertilization). Variation in noise temporal patterns (different random noise periods to simulate shipping activity) suggested that the time regime is more important than the total duration of noise exposure to down-regulate physiological stress. Moreover, 5 dpf larvae exposed to 150 dB continuous noise displayed increased dark avoidance in anxiety-related dark/light preference test and impaired spontaneous alternation behaviour. We provide first evidence of noise-induced physiological stress and behavioural disturbance in larval zebrafish, showing that both noise amplitude and timing negatively impact key developmental endpoints in early ontogeny.
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Affiliation(s)
- Rafael A Lara
- Institute of Science and Environment, University of Saint Joseph, Macao S.A.R., China.
- Departamento de Biología, Universidad de Sevilla, Seville, Spain.
| | - Raquel O Vasconcelos
- Institute of Science and Environment, University of Saint Joseph, Macao S.A.R., China.
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27
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High turbidity levels alter coral reef fish movement in a foraging task. Sci Rep 2021; 11:5976. [PMID: 33742061 PMCID: PMC7979735 DOI: 10.1038/s41598-021-84814-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 02/09/2021] [Indexed: 11/08/2022] Open
Abstract
Sensory systems allow animals to detect and respond to stimuli in their environment and underlie all behaviour. However, human induced pollution is increasingly interfering with the functioning of these systems. Increased suspended sediment, or turbidity, in aquatic habitats reduces the reactive distance to visual signals and may therefore alter movement behaviour. Using a foraging task in which fish (Rhinecanthus aculeatus) had to find six food sites in an aquarium, we tested the impact of high turbidity (40-68 NTU; 154 mg/L) on foraging efficiency using a detailed and novel analysis of individual movements. High turbidity led to a significant decrease in task efficacy as fish took longer to begin searching and find food, and they travelled further whilst searching. Trajectory analyses revealed that routes were less efficient and that fish in high turbidity conditions were more likely to cover the same ground and search at a slower speed. These results were observed despite the experimental protocol allowing for the use of alternate sensory systems (e.g. olfaction, lateral line). Given that movement underlies fundamental behaviours including foraging, mating, and predator avoidance, a reduction in movement efficiency is likely to have a significant impact on the health and population dynamics of visually-guided fish species.
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28
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Nikolich K, Halliday WD, Pine MK, Cox K, Black M, Morris C, Juanes F. The sources and prevalence of anthropogenic noise in Rockfish Conservation Areas with implications for marine reserve planning. MARINE POLLUTION BULLETIN 2021; 164:112017. [PMID: 33517084 DOI: 10.1016/j.marpolbul.2021.112017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 01/12/2021] [Accepted: 01/14/2021] [Indexed: 06/12/2023]
Abstract
Underwater noise pollution is a recognized threat to marine life. In British Columbia, Canada, Pacific rockfish (Sebastes spp.) were historically overfished, prompting the establishment of Rockfish Conservation Areas (RCAs). However, there are no restrictions prohibiting vessel transits in RCAs. We hypothesized that RCAs do not protect rockfish from sub-lethal harm from noise. We compared noise levels at three RCAs with adjacent unprotected reference sites from August 2018-June 2019. While RCAs had lower levels of noise overall than reference sites, this trend was inconsistent; some RCA sites had higher levels of noise during certain time periods than non-RCA sites. A vessel noise detector was the best predictor of noise level over three frequency bands (20-100 Hz, 100-1000 Hz, 1-10 kHz), and predicted sound levels which could mask rockfish communication. We conclude that RCAs do not reliably protect rockfish from noise pollution, and recommend further study into potential impacts on stock recovery.
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Affiliation(s)
- Katrina Nikolich
- Fisheries Ecology and Marine Conservation Laboratory, University of Victoria, Victoria, British Columbia, Canada.
| | - William D Halliday
- Fisheries Ecology and Marine Conservation Laboratory, University of Victoria, Victoria, British Columbia, Canada; Wildlife Conservation Society Canada, Victoria, British Columbia, Canada
| | - Matthew K Pine
- Fisheries Ecology and Marine Conservation Laboratory, University of Victoria, Victoria, British Columbia, Canada
| | - Kieran Cox
- Fisheries Ecology and Marine Conservation Laboratory, University of Victoria, Victoria, British Columbia, Canada; Hakai Institute, Calvert Island, British Columbia, Canada
| | - Morgan Black
- Fisheries Ecology and Marine Conservation Laboratory, University of Victoria, Victoria, British Columbia, Canada; Hakai Institute, Calvert Island, British Columbia, Canada
| | - Corey Morris
- Fisheries and Oceans Canada, Northwest Atlantic Fisheries Centre, St. John's, Newfoundland, Canada
| | - Francis Juanes
- Fisheries Ecology and Marine Conservation Laboratory, University of Victoria, Victoria, British Columbia, Canada
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29
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Kunc HP, Schmidt R. Species sensitivities to a global pollutant: A meta-analysis on acoustic signals in response to anthropogenic noise. GLOBAL CHANGE BIOLOGY 2021; 27:675-688. [PMID: 33289307 PMCID: PMC7839775 DOI: 10.1111/gcb.15428] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 10/06/2020] [Indexed: 06/12/2023]
Abstract
Anthropogenically driven environmental changes affect our planet at an unprecedented rate. Among these changes are those in the acoustic environment caused by anthropogenic noise, which can affect both animals and humans. In many species, acoustic communication plays a crucial role to maintain social relationships by exchanging information via acoustic signals. However, how species relying on acoustic communication differ in their adjustments to anthropogenic noise is little understood. Yet, this is crucial because protecting species effectively depends on our capability to predict how species differ in their response to human-induced environmental changes. Using a phylogenetically controlled meta-analysis, we quantified differences in adjustments of acoustic signals to anthropogenic noise among species. The effect sizes included in the analysis were obtained from noise exposure experiments, as only carefully controlled experiments allow to establish cause-and-effect relationships. We found that animals changed acoustic signals when exposed to noise, but the magnitude and the direction of adjustments differed among species. Given the importance of communication in the animal kingdom, these adjustments can affect social relationships in many species. The diversity of responses among species highlights the necessity to assess the effect of environmental stressors not only for a few species, because an effect may be positive in one species but negative in another depending on the species' biology. Thus, an effective conservation approach to protect different species is to preserve natural soundscapes of ecosystems to which species have adapted to by reducing or mitigating the emission of anthropogenic noise into the environment.
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Affiliation(s)
| | - Rouven Schmidt
- School of Biological SciencesQueen's University BelfastBelfastUK
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30
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Pyć CD, Vallarta J, Rice AN, Zeddies DG, Maxner EE, Denes SL. Vocal behavior of the endangered splendid toadfish and potential masking by anthropogenic noise. CONSERVATION SCIENCE AND PRACTICE 2021. [DOI: 10.1111/csp2.352] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Affiliation(s)
- Cynthia D. Pyć
- JASCO Applied Sciences (Canada) Ltd Victoria British Columbia Canada
| | | | - Aaron N. Rice
- Center for Conservation Bioacoustics, Cornell Lab of Ornithology Cornell University Ithaca New York USA
| | | | - Emily E. Maxner
- JASCO Applied Sciences (Canada) Ltd Dartmouth Nova Scotia Canada
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Boat Noise and Black Drum Vocalizations in Mar Chiquita Coastal Lagoon (Argentina). JOURNAL OF MARINE SCIENCE AND ENGINEERING 2021. [DOI: 10.3390/jmse9010044] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Human-generated underwater noise and its effect on marine biota is recognized as an important issue. Boat noise can affect the communication success of fish species that use sounds for spawning purposes. During the reproductive period, males of the black drum Pogonias spp. produce calls ranging from 90 Hz to 300 Hz. In the Mar Chiquita coastal lagoon (Buenos Aires, Argentina), Pogonias courbina is one of the primary fishing species. Although no regulation is directly applied to protect it, a ban protects the reproductive period of other fish species during weekdays. Here, we investigated the potential effect of boat noise on P. courbina vocalizations through a passive acoustic method. Acoustic data were collected, and P. courbina calls were identified and counted. The files with boat noise passages were categorized into classes according to their noise frequency range (A = below 700 Hz, B = over 700 Hz, and C = below and above 700 Hz). The fish call rate was lower in files where boat noise overlapped the fish call frequency (Classes A and C). Only boat noise from Class C was significantly reduced during days with the active fishing ban. These results suggest that anthropogenic noise may affect the P. courbina call rate and underline the importance of including the evaluation of anthropogenic noise in the current management of the area.
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Long-Range Automatic Detection, Acoustic Signature Characterization and Bearing-Time Estimation of Multiple Ships with Coherent Hydrophone Array. REMOTE SENSING 2020. [DOI: 10.3390/rs12223731] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Three approaches for instantaneous wide-area analysis of ship-radiated underwater sound, each focusing on a different aspect of that sound, received on a large-aperture densely-sampled coherent hydrophone array have been developed. (i) Ship’s narrowband machinery tonal sound is analyzed via temporal coherence using Mean Magnitude-Squared Coherence (MMSC) calculations. (ii) Ship’s broadband amplitude-modulated cavitation noise is examined using Cyclic Spectral Coherence (CSC) analysis that provides estimates for propeller blade pass rotation frequency, shaft rotation frequency, and hence the number of propeller blades. (iii) Mean power spectral densities (PSD) averaged across broad bandwidths are calculated in order to detect acoustically energetic ships. Each of these techniques are applied after beamforming of the received acoustic signals on a coherent hydrophone array, leading to significantly enhanced signal-to-noise ratios for simultaneous detection, bearing-time estimation and acoustic signature characterization of multiple ships over continental-shelf scale regions. The approaches are illustrated with underwater recordings of a 160-element coherent hydrophone array for six ocean vessels, that are located at a variety of bearings and ranges out to 200 km from the array, in the Norwegian Sea in February 2014. The CSC approach is shown to also be useful for automatic detection and bearing-time estimation of repetitive marine mammal vocalizations, providing estimates for inter-pulse-train and inter-pulse intervals from CSC spectra cyclic fundamental and first recurring peak frequencies respectively.
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Bittencourt L, Barbosa M, Bisi TL, Lailson-Brito J, Azevedo AF. Anthropogenic noise influences on marine soundscape variability across coastal areas. MARINE POLLUTION BULLETIN 2020; 160:111648. [PMID: 32920255 DOI: 10.1016/j.marpolbul.2020.111648] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 08/18/2020] [Accepted: 09/05/2020] [Indexed: 06/11/2023]
Abstract
Acoustic data was collected across 15 sites distributed through the coastal area of Rio de Janeiro, Brazil, encompassing regions of different natural characteristics. Noise levels and the acoustic complexity index were calculated. Quantity and composition of anthropogenic sound sources varied across recording sites, with at least one type of sound source being registered in each location. A cluster analysis using third-octave levels from eight frequency bands divided recording sites into two groups, one considered as impacted by anthropogenic noise and the other as less-impacted. The noisiest recording locations were those with higher numbers of anthropogenic sound sources, specifically large ships. It was evidenced that anthropogenic noise affects not only noise levels, but also low-frequency acoustic complexity, which decreased in the presence of vessel traffic. The constant noise input of human activities tended to mask natural variability in the soundscape at lower frequencies.
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Affiliation(s)
- L Bittencourt
- Laboratório de Mamíferos Aquáticos e Bioindicadores "Professora Izabel M. G. do N. Gurgel" - MAQUA, Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Brazil; Programa de Pós-Graduação em Oceanografia da Universidade do Estado do Rio de Janeiro, Brazil.
| | - M Barbosa
- Laboratório de Mamíferos Aquáticos e Bioindicadores "Professora Izabel M. G. do N. Gurgel" - MAQUA, Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Brazil
| | - T L Bisi
- Laboratório de Mamíferos Aquáticos e Bioindicadores "Professora Izabel M. G. do N. Gurgel" - MAQUA, Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Brazil
| | - J Lailson-Brito
- Laboratório de Mamíferos Aquáticos e Bioindicadores "Professora Izabel M. G. do N. Gurgel" - MAQUA, Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Brazil
| | - A F Azevedo
- Laboratório de Mamíferos Aquáticos e Bioindicadores "Professora Izabel M. G. do N. Gurgel" - MAQUA, Faculdade de Oceanografia, Universidade do Estado do Rio de Janeiro, Brazil; Programa de Pós-Graduação em Oceanografia da Universidade do Estado do Rio de Janeiro, Brazil
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McCloskey KP, Chapman KE, Chapuis L, McCormick MI, Radford AN, Simpson SD. Assessing and mitigating impacts of motorboat noise on nesting damselfish. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 266:115376. [PMID: 32829125 DOI: 10.1016/j.envpol.2020.115376] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 07/02/2020] [Accepted: 08/04/2020] [Indexed: 05/15/2023]
Abstract
Motorboats are a pervasive, growing source of anthropogenic noise in marine environments, with known impacts on fish physiology and behaviour. However, empirical evidence for the disruption of parental care remains scarce and stems predominantly from playback studies. Additionally, there is a paucity of experimental studies examining noise-mitigation strategies. We conducted two field experiments to investigate the effects of noise from real motorboats on the parental-care behaviours of a common coral-reef fish, the Ambon damselfish Pomacentrus amboinensis, which exhibits male-only egg care. When exposed to motorboat noise, we found that males exhibited vigilance behaviour 34% more often and spent 17% more time remaining vigilant, compared to an ambient-sound control. We then investigated nest defence in the presence of an introduced conspecific male intruder, incorporating a third noise treatment of altered motorboat-driving practice that was designed to mitigate noise exposure via speed and distance limitations. The males spent 22% less time interacting with the intruder and 154% more time sheltering during normal motorboat exposure compared to the ambient-sound control, with nest-defence levels in the mitigation treatment equivalent to those in ambient conditions. Our results reveal detrimental impacts of real motorboat noise on some aspects of parental care in fish, and successfully demonstrate the positive effects of an affordable, easily implemented mitigation strategy. We strongly advocate the integration of mitigation strategies into future experiments in this field, and the application of evidence-based policy in our increasingly noisy world.
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Affiliation(s)
- Kieran P McCloskey
- Biosciences, University of Exeter, Hatherly Laboratories, Prince of Wales Road, Exeter, EX4 4PS, UK.
| | - Katherine E Chapman
- School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, UK
| | - Lucille Chapuis
- Biosciences, University of Exeter, Hatherly Laboratories, Prince of Wales Road, Exeter, EX4 4PS, UK
| | - Mark I McCormick
- Department of Marine Biology and Aquaculture, James Cook University, Townsville, Queensland, 4811, Australia; Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland, 4811, Australia
| | - Andrew N Radford
- School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, UK
| | - Stephen D Simpson
- Biosciences, University of Exeter, Hatherly Laboratories, Prince of Wales Road, Exeter, EX4 4PS, UK
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Cartolano MC, Berenshtein I, Heuer RM, Pasparakis C, Rider M, Hammerschlag N, Paris CB, Grosell M, McDonald MD. Impacts of a local music festival on fish stress hormone levels and the adjacent underwater soundscape. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 265:114925. [PMID: 32563142 DOI: 10.1016/j.envpol.2020.114925] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 05/25/2020] [Accepted: 05/31/2020] [Indexed: 06/11/2023]
Abstract
An understudied consequence of coastal urbanization on marine environments is sound pollution. While underwater anthropogenic sounds are recognized as a threat to aquatic organisms, little is known about the effects of above-surface coastal sound pollution on adjacent underwater soundscapes and the organisms inhabiting them. Here, the impact of noise from the 2019 Ultra Music Festival® in Miami, FL, USA was assessed at the University of Miami Experimental Hatchery (UMEH) located directly adjacent to the music festival and on underwater sound levels in Bear Cut, a nearby water channel. In addition, stress hormone levels in fish held at UMEH were measured before and during the festival. Air sound levels recorded at UMEH during the Ultra Music Festival did not exceed 72 dBA and 98 dBC. The subsurface sound intensity levels in the low frequency band increased by 2-3 dB re 1 μPa in the adjacent waterway, Bear Cut, and by 7-9 dB re 1 μPa in the fish tanks at UMEH. Gulf toadfish (Opsanus beta) housed in the UMEH tanks experienced a 4-5 fold increase in plasma cortisol, their main stress hormone, during the first night of the Ultra Music Festival compared to two baseline samples taken 3 weeks and 4 days before Ultra. While this study offers preliminary insights into this type of sound pollution, more research is needed to conclude if Ultra caused a stress response in wild organisms and to fully understand the implications of this type of sound pollution.
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Affiliation(s)
- Maria C Cartolano
- Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA.
| | - Igal Berenshtein
- Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA
| | - Rachael M Heuer
- Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA
| | - Christina Pasparakis
- Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA
| | - Mitchell Rider
- Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA
| | - Neil Hammerschlag
- Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA
| | - Claire B Paris
- Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA
| | - Martin Grosell
- Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA
| | - M Danielle McDonald
- Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA
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Friebertshauser RJ, Holt DE, Johnston CE, Smith MG, Mendonça MT. Investigating impacts of and susceptibility to rail noise playback across freshwater fishes reveals counterintuitive response profiles. CONSERVATION PHYSIOLOGY 2020; 8:coaa089. [PMID: 33014376 PMCID: PMC7521172 DOI: 10.1093/conphys/coaa089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 08/16/2020] [Accepted: 09/17/2020] [Indexed: 06/11/2023]
Abstract
While the expansion of anthropogenic noise studies in aquatic habitats has produced conservation-based results for a range of taxa, relatively little attention has been paid to the potential impacts on stream fishes. Recent work has shown responses to road noise in single species of stream fish; however, assemblage-wide effects of anthropogenic noise pollution have not yet been investigated. By examining five metrics of disturbance across four ecologically and evolutionarily disparate species of stream fishes, a series of laboratory experiments aimed to describe the effects of and species susceptibility to anthropogenic noise playback. Each species studied represented a unique combination of hearing sensitivity and water column position. Physiological and behavioral metrics were compared across the presence and absence of rail-noise noise playback in four target species. Through repeated subsampling, the temporal dynamics of cortisol secretion in response to noise in two target species were additionally described. Rail-noise playback had no statistically significant effect on blood glucose or water-borne cortisol levels, with the exception of decreased cortisol in noise-exposed largescale stoneroller (Campostoma oligolepis). Time-course cortisol experiments revealed rapid secretion and showed minimal effects of noise at most observation points. The presence of noise produced significant changes in ventilation rate and swimming parameters in a portion of the four species observed representing the most conserved responses. Overall, effects of noise were observed in species contrary to what would be hypothesized based on theoretical hearing sensitivity and water column position demonstrating that predicting susceptibility to this type of stressor cannot be accomplished based off these course considerations alone. More importantly, we show that anthropogenic noise can disrupt a variety of behavioral and physiological processes in certain taxa and should be further investigated via measures of fitness in the wild.
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Affiliation(s)
- Ryan J Friebertshauser
- Department of Fisheries, Aquaculture, and Aquatic Sciences, Auburn University, Auburn, AL 36849, USA
| | - Daniel E Holt
- Department of Biological Sciences, Columbus State University, Columbus, GA 31907, USA
| | - Carol E Johnston
- Department of Fisheries, Aquaculture, and Aquatic Sciences, Auburn University, Auburn, AL 36849, USA
| | - Matthew G Smith
- Department of Biological Sciences, Auburn University, Auburn, AL, 36849, USA
| | - Mary T Mendonça
- Department of Biological Sciences, Auburn University, Auburn, AL, 36849, USA
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37
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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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38
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Butler JM, Maruska KP. Noise during mouthbrooding impairs maternal care behaviors and juvenile development and alters brain transcriptomes in the African cichlid fish Astatotilapia burtoni. GENES BRAIN AND BEHAVIOR 2020; 20:e12692. [PMID: 32779314 DOI: 10.1111/gbb.12692] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 08/06/2020] [Accepted: 08/07/2020] [Indexed: 02/01/2023]
Abstract
Anthropogenic noise has increased underwater ambient sound levels in the range in which most fishes detect and produce acoustic signals. Although the impacts of increased background noise on fish development have been studied in a variety of species, there is a paucity of information on how noise affects parental care. Mouthbrooding is an energetically costly form of parental care in which the brooding fish carries developing larvae in the buccal cavity for the duration of development. In the African cichlid Astatotilapia burtoni, females carry their brood for ~2 weeks during which time they do not eat. To test the hypothesis that increased background noise impacts maternal care behaviors and brood development, we exposed brooding females to a 3-h period of excess noise (~140 dB) played through an underwater speaker. Over half of noise-exposed brooding females cannibalized or pre-maturely released their brood, but 90% of control females exhibited normal brooding behaviors. RNA-seq analysis revealed that transcripts related to feeding and parental care were differentially expressed in the brains of noise-exposed females. Juveniles that were exposed to noise during their brood period within the mother's mouth had lower body condition factors, higher mortality and altered head transcriptomes compared with control broods. Furthermore, onset of adult-typical coloration and behaviors was delayed compared with control fish. Together, these data indicate that noise has severe impacts on reproductive fitness in mouthbrooding females. Our results, combined with past studies, indicate that parental care stages are extremely susceptible to noise-induced perturbations with detrimental effects on species persistence.
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Affiliation(s)
- Julie M Butler
- Department of Biological Sciences, Louisiana State University, Baton Rouge, Louisiana, USA.,Stanford University, Biology Department, Stanford, California, USA
| | - Karen P Maruska
- Department of Biological Sciences, Louisiana State University, Baton Rouge, Louisiana, USA
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Morrison EL, DeLong CM, Wilcox KT. How humans discriminate acoustically among bottlenose dolphin signature whistles with and without masking by boat noise. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2020; 147:4162. [PMID: 32611182 DOI: 10.1121/10.0001450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 05/31/2020] [Indexed: 06/11/2023]
Abstract
Anthropogenic noise in the world's oceans is known to impede many species' ability to perceive acoustic signals, but little research has addressed how this noise affects the perception of bioacoustic signals used for communication in marine mammals. Bottlenose dolphins (Tursiops truncatus) use signature whistles containing identification information. Past studies have used human participants to gain insight into dolphin perception, but most previous research investigated echolocation. In Experiment 1, human participants were tested on their ability to discriminate among signature whistles from three dolphins. Participants' performance was nearly errorless. In Experiment 2, participants identified signature whistles masked by five different samples of boat noise utilizing different signal-to-noise ratios. Lower signal-to-noise ratio and proximity in frequency between the whistle and noise both significantly decreased performance. Like dolphins, human participants primarily identified whistles using frequency contour. Participants reported greater use of amplitude in noise-present vs noise-absent trials, but otherwise did not vary cue usage. These findings can be used to generate hypotheses about dolphins' performance and auditory cue use for future research. This study may provide insight into how specific characteristics of boat noise affect dolphin whistle perception and may have implications for conservation and regulations.
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Affiliation(s)
- Evan L Morrison
- Department of Psychology, College of Liberal Arts, Rochester Institute of Technology, 18 Lomb Memorial Drive, Rochester, New York 14623, USA
| | - Caroline M DeLong
- Department of Psychology, College of Liberal Arts, Rochester Institute of Technology, 18 Lomb Memorial Drive, Rochester, New York 14623, USA
| | - Kenneth Tyler Wilcox
- Department of Psychology, College of Arts and Letters, University of Notre Dame, 390 Corbett Family Hall, Notre Dame, Indiana 46556, USA
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Breitzler L, Lau IH, Fonseca PJ, Vasconcelos RO. Noise-induced hearing loss in zebrafish: investigating structural and functional inner ear damage and recovery. Hear Res 2020; 391:107952. [DOI: 10.1016/j.heares.2020.107952] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 02/19/2020] [Accepted: 03/16/2020] [Indexed: 12/20/2022]
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Mauro M, Pérez-Arjona I, Perez EJB, Ceraulo M, Bou-Cabo M, Benson T, Espinosa V, Beltrame F, Mazzola S, Vazzana M, Buscaino G. The effect of low frequency noise on the behaviour of juvenile Sparus aurata. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2020; 147:3795. [PMID: 32611157 DOI: 10.1121/10.0001255] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Accepted: 04/27/2020] [Indexed: 06/11/2023]
Abstract
Anthropogenic activities are causing increased noise levels in the marine environment. To date, few studies have been undertaken to investigate the effects of different noise frequencies on the behaviour of juvenile fish. In this study, the behavioural changes of juvenile gilthead seabream (Sparus aurata) are evaluated when exposed to white noise filtered in third-octave bands centred at 63, 125, 500, and 1000 Hz (sound pressure level, 140-150 dB re 1 μΡa) for 7 h. The group dispersion, motility, and swimming height of the fish were analysed before and during the acoustic emission. Dispersion of the fish was found to reduce immediately upon application of low frequency sound (63 and 125 Hz) with a return to control condition after 2 h (indicative of habituation), whereas at 1 kHz, dispersion increased after 2 h without any habituation. The motility decreased significantly at 63 Hz throughout the 7 h of sound exposure. The swimming height decreased significantly for all frequencies other than 125 Hz. The results of this study highlight significant variations in the behavioural responses of juvenile fish that could have consequences on their fitness and survival.
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Affiliation(s)
- Manuela Mauro
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 18, Palermo, 90123, Italy
| | - Isabel Pérez-Arjona
- Universitat Politècnica de València, Campus de Gandia, C/Paranimf, 1-46730, Spain
| | | | - Maria Ceraulo
- BioacousticsLab, National Research Council UOS of Capo Granitola, Via del mare, Torretta Granitola, 3-91021, Italy
| | - Manuel Bou-Cabo
- Instituto Español de Oceanografía (IEO), C. O. Murcia, San Pedro del Pinatar (Murcia), 1-30740, Spain
| | - Thomas Benson
- HR Wallingford, Howbery Park, Wallingford, OX10 8BA, United Kingdom
| | - Victor Espinosa
- Universitat Politècnica de València, Campus de Gandia, C/Paranimf, 1-46730, Spain
| | - Francesco Beltrame
- ENR, The Italian Institution for Research and Promotion of Standardization, Via Francesco Crispi, Palermo, 248-90139, Italy
| | - Salvatore Mazzola
- BioacousticsLab, National Research Council UOS of Capo Granitola, Via del mare, Torretta Granitola, 3-91021, Italy
| | - Mirella Vazzana
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 18, Palermo, 90123, Italy
| | - Giuseppa Buscaino
- BioacousticsLab, National Research Council UOS of Capo Granitola, Via del mare, Torretta Granitola, 3-91021, Italy
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The effect of biological and anthropogenic sound on the auditory sensitivity of oyster toadfish, Opsanus tau. J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2019; 206:1-14. [PMID: 31823003 DOI: 10.1007/s00359-019-01381-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 11/08/2019] [Accepted: 11/11/2019] [Indexed: 01/02/2023]
Abstract
Many aquatic organisms use vocalizations for reproductive behavior; therefore, disruption of their soundscape could adversely affect their life history. Male oyster toadfish (Opsanus tau) establish nests in shallow waters during spring and attract female fish with boatwhistle vocalizations. Males exhibit high nest fidelity, making them susceptible to anthropogenic sound in coastal waters, which could mask their vocalizations and/or reduce auditory sensitivity levels. Additionally, the effect of self-generated boatwhistles on toadfish auditory sensitivity has yet to be addressed. To investigate the effect of sound exposure on toadfish auditory sensitivity, sound pressure and particle acceleration sensitivity curves were determined using auditory evoked potentials before and after (0-, 1-, 3-, 6- and 9-day) exposure to 1- or 12-h of continuous playbacks to ship engine sound or conspecific vocalization. Exposure to boatwhistles had no effect on auditory sensitivity. However, exposure to anthropogenic sound caused significant decreases in auditory sensitivity for at least 3 days, with shifts up to 8 dB SPL and 20 dB SPL immediately following 1- and 12-h anthropogenic exposure, respectively. Understanding the effect of self-generated and anthropogenic sound exposure on auditory sensitivity provides an insight into how soundscapes affect acoustic communication.
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Li J, White PR, Roche B, Davis JW, Leighton TG. Underwater radiated noise from hydrofoils in coastal water. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2019; 146:3552. [PMID: 31795704 DOI: 10.1121/1.5134779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 10/31/2019] [Indexed: 06/10/2023]
Abstract
Underwater noise from commercial shipping throughout the oceans has been increasing over the past decades and the environmental impact of this noise remains an area of great uncertainty. This has led to the measurement of noise from commercial vessels in order to understand the impacts that these vessels may engender. Hydrofoils are used by ferries in various locations around the world and locally may be a significant contributing factor of the soundscape. However, the investigation on underwater radiated noise from the activity of hydrofoils in the field has not been widely conducted. This article is an attempt to characterize the noise from hydrofoils in the field. Detailed measurements in the coastal water close to the Panarea port, Italy are reported. The investigation describes the broadband frequency spectrum with the main energy approximately centered on 30-130 Hz but covering frequencies up to tens of kHz. A key result was that the spectrum of the noise varied between the three stages (displacement, transition, and foiling) of the hydrofoils heading into or out of the port.
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Affiliation(s)
- Jianghui Li
- Institute of Sound and Vibration Research, University of Southampton, Southampton, SO17 1BJ, United Kingdom
| | - Paul R White
- Institute of Sound and Vibration Research, University of Southampton, Southampton, SO17 1BJ, United Kingdom
| | - Ben Roche
- Ocean and Earth Science, University of Southampton, National Oceanography Centre, Southampton, SO14 3ZH, United Kingdom
| | - John W Davis
- Ocean and Earth Science, University of Southampton, National Oceanography Centre, Southampton, SO14 3ZH, United Kingdom
| | - Timothy G Leighton
- Institute of Sound and Vibration Research, University of Southampton, Southampton, SO17 1BJ, United Kingdom
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Candolin U, Wong BBM. Mate choice in a polluted world: consequences for individuals, populations and communities. Philos Trans R Soc Lond B Biol Sci 2019; 374:20180055. [PMID: 31352882 DOI: 10.1098/rstb.2018.0055] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Pollution (e.g. by chemicals, noise, light, heat) is an insidious consequence of anthropogenic activity that affects environments worldwide. Exposure of wildlife to pollutants has the capacity to adversely affect animal communication and behaviour across a wide range of sensory modalities-by not only impacting the signalling environment, but also the way in which animals produce, perceive and interpret signals and cues. Such disturbances, particularly when it comes to sex, can drastically alter fitness. Here, we consider how pollutants disrupt communication and behaviour during mate choice, and the ecological and evolutionary changes such disturbances can engender. We explain how the different stages of mate choice can be affected by pollution, from encountering mates to the final choice, and how changes to these stages can influence individual fitness, population dynamics and community structure. We end with discussing how an understanding of these disturbances can help inform better conservation and management practices and highlight important considerations and avenues for future research. This article is part of the theme issue 'Linking behaviour to dynamics of populations and communities: application of novel approaches in behavioural ecology to conservation'.
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Affiliation(s)
- Ulrika Candolin
- Organsimal and Evolutionary Biology, University of Helsinki, Helsinki, Finland
| | - Bob B M Wong
- School of Biological Sciences, Monash University, Melbourne, Australia
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Ladich F. Ecology of sound communication in fishes. FISH AND FISHERIES (OXFORD, ENGLAND) 2019; 20:552-563. [PMID: 31130820 PMCID: PMC6519373 DOI: 10.1111/faf.12368] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 03/18/2019] [Indexed: 05/24/2023]
Abstract
Fishes communicate acoustically under ecological constraints which may modify or hinder signal transmission and detection and may also be risky. This makes it important to know if and to what degree fishes can modify acoustic signalling when key ecological factors-predation pressure, noise and ambient temperature-vary. This paper reviews short-time effects of the first two factors; the third has been reviewed recently (Ladich, 2018). Numerous studies have investigated the effects of predators on fish behaviour, but only a few report changes in calling activity when hearing predator calls as demonstrated when fish responded to played-back dolphin sounds. Furthermore, swimming sounds of schooling fish may affect predators. Our knowledge on adaptations to natural changes in ambient noise, for example caused by wind or migration between quiet and noisier habitats, is limited. Hearing abilities decrease when ambient noise levels increase (termed masking), in particular in taxa possessing enhanced hearing abilities. High natural and anthropogenic noise regimes, for example vessel noise, alter calling activity in the field and laboratory. Increases in sound pressure levels (Lombard effect) and altered temporal call patterns were also observed, but no switches to higher sound frequencies. In summary, effects of predator calls and noise on sound communication are described in fishes, yet sparsely in contrast to songbirds or whales. Major gaps in our knowledge on potential negative effects of noise on acoustic communication call for more detailed investigation because fishes are keystone species in many aquatic habitats and constitute a major source of protein for humans.
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Affiliation(s)
- Friedrich Ladich
- Department of Behavioural BiologyUniversity of ViennaViennaAustria
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Shi W, Han Y, Guan X, Rong J, Du X, Zha S, Tang Y, Liu G. Anthropogenic Noise Aggravates the Toxicity of Cadmium on Some Physiological Characteristics of the Blood Clam Tegillarca granosa. Front Physiol 2019; 10:377. [PMID: 31001147 PMCID: PMC6456685 DOI: 10.3389/fphys.2019.00377] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Accepted: 03/18/2019] [Indexed: 12/30/2022] Open
Abstract
Widespread applications of cadmium (Cd) in various products have caused Cd contamination in marine ecosystems. Meanwhile, human activities in the ocean have also generated an increasing amount of noise in recent decades. Although anthropogenic noise and Cd contaminants could be present simultaneously in marine environments, the physiological responses of marine bivalve mollusks upon coexposure to anthropogenic noise and toxic metal contaminants, including Cd remain unclear. Therefore, the combined effects of anthropogenic noise and Cd on the physiological characteristics of the blood clam Tegillarca granosa were investigated in this study. The results showed that 10 days of coexposure to anthropogenic noise and Cd can enhance adverse impacts on metabolic processes, as indicated by the clearance rate, respiration rate, ammonium excretion rate, and O:N ratio of T. granosa. In addition, both the ATP content, ATP synthase activity and genes encoding important enzymes in ATP synthesis significantly declined after coexposures to anthropogenic noise and Cd, which have resulted from reduced feeding activity and respiration. Furthermore, the expressions of neurotransmitter-related genes (MAO, AChE, and mAChR3) were all significantly down-regulated after coexposure to anthropogenic noise and Cd, which suggests an enhanced neurotoxicity under coexposure. In conclusion, our study demonstrated that anthropogenic noise and Cd would have synergetic effects on the feeding activity, metabolism, and ATP synthesis of T. granosa, which may be due to the add-on of stress responses and neurotransmitter disturbances.
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Affiliation(s)
- Wei Shi
- College of Animal Science, Zhejiang University, Hangzhou, China
| | - Yu Han
- College of Animal Science, Zhejiang University, Hangzhou, China
| | - Xiaofan Guan
- College of Animal Science, Zhejiang University, Hangzhou, China
| | - Jiahuan Rong
- College of Animal Science, Zhejiang University, Hangzhou, China
| | - Xueying Du
- College of Animal Science, Zhejiang University, Hangzhou, China
| | - Shanjie Zha
- College of Animal Science, Zhejiang University, Hangzhou, China
| | - Yu Tang
- College of Animal Science, Zhejiang University, Hangzhou, China
| | - Guangxu Liu
- College of Animal Science, Zhejiang University, Hangzhou, China
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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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Simultaneous production of two kinds of sounds in relation with sonic mechanism in the boxfish Ostracion meleagris and O. cubicus. Sci Rep 2019; 9:4962. [PMID: 30899084 PMCID: PMC6428821 DOI: 10.1038/s41598-019-41198-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 02/05/2019] [Indexed: 01/20/2023] Open
Abstract
In fishes, sonic abilities for communication purpose usually involve a single mechanism. We describe here the sonic mechanism and sounds in two species of boxfish, the spotted trunkfish Ostracion meleagris and the yellow boxfish Ostracion cubicus. The sonic mechanism utilizes a T-shaped swimbladder with a swimbladder fenestra and two separate sonic muscle pairs. Extrinsic vertical muscles attach to the vertebral column and the swimbladder. Perpendicularly and below these muscles, longitudinal intrinsic muscles cover the swimbladder fenestra. Sounds are exceptional since they are made of two distinct types produced in a sequence. In both species, humming sounds consist of long series (up to 45 s) of hundreds of regular low-amplitude pulses. Hums are often interspersed with irregular click sounds with an amplitude that is ten times greater in O. meleagris and forty times greater in O. cubicus. There is no relationship between fish size and many acoustic characteristics because muscle contraction rate dictates the fundamental frequency. We suggest that hums and clicks are produced by either separate muscles or by a combination of the two. The mechanism complexity supports an investment of boxfish in this communication channel and underline sounds as having important functions in their way of life.
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Effects of hydroelectric turbine noise on the behaviour of Leporinus taeniatus (Characiformes: Anostomidae) in captivity. J ETHOL 2018. [DOI: 10.1007/s10164-018-0568-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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