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Raick X, Parmentier É, Gervaise C, Lecchini D, Pérez-Rosales G, Rouzé H, Bertucci F, Di Iorio L. Invertebrate sounds from photic to mesophotic coral reefs reveal vertical stratification and diel diversity. Oecologia 2024:10.1007/s00442-024-05572-5. [PMID: 38829404 DOI: 10.1007/s00442-024-05572-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 05/27/2024] [Indexed: 06/05/2024]
Abstract
Although mesophotic coral ecosystems account for approximately 80% of coral reefs, they remain largely unexplored due to their challenging accessibility. The acoustic richness within reefs has led scientists to consider passive acoustic monitoring as a reliable method for studying both altiphotic and mesophotic coral reefs. We investigated the relationship between benthic invertebrate sounds (1.5-22.5 kHz), depth, and benthic cover composition, key ecological factors that determine differences between altiphotic and mesophotic reefs. Diel patterns of snaps and peak frequencies were also explored at different depths to assess variations in biorhythms. Acoustic recorders were deployed at 20 m, 60 m, and 120 m depths across six islands in French Polynesia. The results indicated that depth is the primary driver of differences in broadband transient sound (BTS) soundscapes, with sound intensity decreasing as depth increases. At 20-60 m, sounds were louder at night. At 120 m depth, benthic activity rhythms exhibited low or highly variable levels of diel variation, likely a consequence of reduced solar irradiation. On three islands, a peculiar peak in the number of BTS was observed every day between 7 and 9 PM at 120 m, suggesting the presence of cyclic activities of a specific species. Our results support the existence of different invertebrate communities or distinct behaviors, particularly in deep mesophotic reefs. Overall, this study adds to the growing evidence supporting the use of passive acoustic monitoring to describe and understand ecological patterns in mesophotic reefs.
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Affiliation(s)
- Xavier Raick
- Laboratory of Functional and Evolutionary Morphology, Freshwater and Oceanic Science Unit of Research, University of Liège, Liège, Belgium.
| | - Éric Parmentier
- Laboratory of Functional and Evolutionary Morphology, Freshwater and Oceanic Science Unit of Research, University of Liège, Liège, Belgium
| | | | - David Lecchini
- PSL University, EPHE-UPVD-CNRS, USR, CRIOBE, 3278, Moorea, French Polynesia
- Laboratoire d'Excellence "CORAIL", Perpignan, France
| | | | - Héloïse Rouzé
- PSL University, EPHE-UPVD-CNRS, USR, CRIOBE, 3278, Moorea, French Polynesia
- Marine Laboratory, University of Guam, Mangilao, GU, USA
| | - Frédéric Bertucci
- Laboratory of Functional and Evolutionary Morphology, Freshwater and Oceanic Science Unit of Research, University of Liège, Liège, Belgium
- PSL University, EPHE-UPVD-CNRS, USR, CRIOBE, 3278, Moorea, French Polynesia
| | - Lucia Di Iorio
- University of Perpignan Via Domitia, CNRS, CEFREM, UMR 5110, Perpignan, France
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Cheng X, Zhang L, Gao Z, Li K, Xu J, Liu W, Ru X. Transcriptomic analysis reveals the immune response mechanisms of sea cucumber Apostichopus japonicus under noise stress from offshore wind turbine. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167802. [PMID: 37838058 DOI: 10.1016/j.scitotenv.2023.167802] [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: 08/03/2023] [Revised: 10/07/2023] [Accepted: 10/11/2023] [Indexed: 10/16/2023]
Abstract
As an important form of renewable energy, offshore wind power can effectively reduce dependence on traditional energy sources and decrease carbon emissions. However, operation of wind turbines can generate underwater noise that may have negative impacts on marine benthic organisms in the surrounding area. Sea cucumbers are slow-moving invertebrates that inhabit the ocean, relying on their immune system to adapt to their environment. To evaluate the frequency range of characteristic noise produced by offshore wind turbines, we conducted a field survey. Additionally, we utilized sea cucumbers in simulated experiments to assess their response to the noise produced by offshore wind turbines. We established a control group, a low-frequency noise group simulating offshore wind turbine noise at 125 Hz and 250 Hz, and a high-frequency noise group at 2500 Hz, each lasting for 7 days. Results from measuring immune enzyme activity in the coelomic fluid suggest that noise can reduce the activity of superoxide dismutase enzymes, which may make sea cucumbers more susceptible to oxidative damage caused by free radicals. Exposure to low-frequency noise can have the effect of diminishing the activity of catalase, and this decrease in catalase activity could potentially increase the susceptibility of the sea cucumber's coelom to inflammation. In order to elucidate the hypothetical mechanism of immune response, intestinal tissue was extracted for transcriptome sequencing. The results showed that under 125 Hz low-frequency noise stress, the number of differentially expressed genes was the highest, reaching 1764. Under noise stress, sea cucumber's cell apoptosis and cell motility are reduced, interfering with lipid metabolism process and membrane synthesis. This research provides theoretical support for the environmental safety assessment of offshore wind power construction.
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Affiliation(s)
- Xiaochen Cheng
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; CAS Engineering Laboratory for Marine Ranching, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Libin Zhang
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; CAS Engineering Laboratory for Marine Ranching, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Zhaoming Gao
- Binzhou Ocean Development Research Institute, Binzhou 256600, China
| | - Kehan Li
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China; CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; CAS Engineering Laboratory for Marine Ranching, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Jialei Xu
- Zhongke Tonghe (Shandong) Ocean Technology Co., Ltd., Dongying 257200, China
| | - Weijian Liu
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Xiaoshang Ru
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; CAS Engineering Laboratory for Marine Ranching, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
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Webb McAdams AL, Smith ME. The relationship between body size and stridulatory sound production in loricariid catfishesa). THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2023; 154:3672-3683. [PMID: 38059727 DOI: 10.1121/10.0022575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Accepted: 11/13/2023] [Indexed: 12/08/2023]
Abstract
Sound production capabilities and characteristics in Loricariidae, the largest catfish family, have not been well examined. Sounds produced by three loricariid catfish species, Otocinclus affinis, Pterygoplichthys gibbiceps, and Pterygoplichthys pardalis, were recorded. Each of these species produces pulses via pectoral-fin spine stridulation by rubbing the ridged condyle of the dorsal process of the pectoral-fin spine base against a matching groove-like socket in the pectoral girdle. Light and scanning electron microscopy were used to examine the dorsal process of the pectoral-fin spines of these species. Mean distances between dorsal process ridges of O. affinis, P. gibbiceps, and P. pardalis were 53, 161, and 329 μm, respectively. Stridulation sounds occurred during either abduction (type A) or adduction (type B). O. affinis produced sounds through adduction only and P. pardalis through abduction only, whereas P. gibbiceps often produced pulse trains alternating between abduction and adduction. In these species, dominant frequency was an inverse function of sound duration, fish total length, and inter-ridge distance on the dorsal process of the pectoral-fin spine and sound duration increased with fish total length. While stridulation sounds are used in many behavioral contexts in catfishes, the functional significance of sound production in Loricariidae is currently unknown.
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Affiliation(s)
- Amanda L Webb McAdams
- Department of Biology, Western Kentucky University, Bowling Green, Kentucky 42101, USA
| | - Michael E Smith
- Department of Biology, Western Kentucky University, Bowling Green, Kentucky 42101, USA
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Jézéquel Y, Aoki N, Mooney TA. Acoustic properties and shallow water propagation distances of Caribbean spiny lobster sounds (Panulirus argus). THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2023; 153:529. [PMID: 36732263 DOI: 10.1121/10.0016898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 01/04/2023] [Indexed: 06/18/2023]
Abstract
Marine crustaceans produce broadband sounds that are useful for passive acoustic monitoring to support conservation and management efforts. However, the propagation characteristics and detection ranges of their signals are poorly known, limiting our leveraging of these sounds. Here, we used a four-hydrophone linear array to measure source levels (SLs) and sound propagation from Caribbean spiny lobsters (Panulirus argus) of a wide range of sizes within a natural, shallow water habitat (3.3 m depth). Source level in peak-peak (SLpp) varied with body size; larger individuals produced SLpp up to 166 dB re 1 μPa. However, transmission losses (TL) were similar across all sizes, with a global fitted TL of 12.1 dB. Correspondingly, calculated detection ranges varied with body size, ranging between 14 and 364 m for small and large individuals (respectively). This increased up to 1612 m for large spiny lobsters when considering lower ambient noise levels. Despite the potential ease of tank studies, our results highlight the importance of empirical in situ sound propagation studies for marine crustaceans. Given the important ecological and economic role of spiny lobsters, these data are a key step to supporting remote monitoring of this species for fisheries management and efforts to acoustically quantify coral reefs' health.
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Affiliation(s)
- Youenn Jézéquel
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
| | - Nadège Aoki
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
| | - T Aran Mooney
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
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Spiga I. The acoustic response of snapping shrimp to synthetic impulsive acoustic stimuli between 50 and 600 Hz. MARINE POLLUTION BULLETIN 2022; 185:114238. [PMID: 36272322 DOI: 10.1016/j.marpolbul.2022.114238] [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: 04/07/2022] [Revised: 10/06/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
There is growing concern that the noise from human activities in water may impact the detection and production of sound by aquatic animals. Snapping shrimp are sound producing crustaceans and their sound has biological and ecological importance. This paper investigated the effects of pulsed stimuli upon the acoustic behavior of these animals. Changes in snap frequency and duration were assessed before, during and after playbacks and at different levels. Acoustic analysis showed that the duration of the snaps increased significantly during playbacks, whereas the snap peak frequency significantly decreased compared to before and after exposure. Data also showed that when exposed to a sound pressure level equal and above to 130 re 1 μPa (computed particle motion 2.06 × 10-06 m/s), shrimp responded acoustically. The results suggested that the pulsed acoustic stimuli triggered a behavioral response that included more snapping from bigger animals and movements away from the source.
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Affiliation(s)
- Ilaria Spiga
- Marine Science, School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, NE1 7RU, England, UK.
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Jézéquel Y, Bonnel J, Aoki N, Mooney TA. Tank acoustics substantially distort broadband sounds produced by marine crustaceans. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2022; 152:3747. [PMID: 36586829 DOI: 10.1121/10.0016613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
Marine crustaceans produce broadband sounds that have been mostly characterized in tanks. While tank physical impacts on such signals are documented in the acoustic community, they are overlooked in the bioacoustic literature with limited empirical comparisons. Here, we compared broadband sounds produced at 1 m from spiny lobsters (Panulirus argus) in both tank and in situ conditions. We found significant differences in all sound features (temporal, power, and spectral) between tank and in situ recordings, highlighting that broadband sounds, such as those produced by marine crustaceans, cannot be accurately characterized in tanks. We then explained the three main physical impacts that distort broadband sounds in tanks, respectively known as resonant frequencies, sound reverberation, and low frequency attenuation. Tank resonant frequencies strongly distort the spectral shape of broadband sounds. In the high frequency band (above the tank minimum resonant frequency), reverberation increases sound duration. In the low frequency band (below the tank minimum resonant frequency), low frequencies are highly attenuated due to their longer wavelength compared to the tank size and tank wall boundary conditions (zero pressure) that prevent them from being accurately measured. Taken together, these results highlight the importance of understanding tank physical impacts when characterizing broadband crustacean sounds.
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Affiliation(s)
- Youenn Jézéquel
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
| | - Julien Bonnel
- Applied Ocean Physics and Engineering Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
| | - Nadège Aoki
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
| | - T Aran Mooney
- Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
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Jézéquel Y, Bonnel J, Eliès P, Chauvaud L. Acoustic scaling in the European spiny lobster (Palinurus elephas). THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2022; 152:3235. [PMID: 36586865 DOI: 10.1121/10.0016363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 11/15/2022] [Indexed: 06/17/2023]
Abstract
Sound is an important cue for arthropods. In insects, sound features and sound-producing apparatus are tightly correlated to enhance signal emission in larger individuals. In contrast, acoustic scaling in marine arthropods is poorly described even if they possess similar sound-producing apparatus. Here, the acoustic scaling of the European spiny lobster is analyzed by recording sounds in situ at 1 m from a wide range of body sizes. The dimensions of associated sound-producing apparatus increased with body size, indicating sound features would also be influenced by spiny lobster size. Indeed, temporal sound features changed with body size, suggesting differences in calling songs could be used for spiny lobster acoustic communication. Source levels (peak-peak) ranged from 131 to 164 dB re 1μPa for smaller and larger lobsters, respectively, which could be explained by more efficient resonating structures in larger animals. In addition, dominant frequencies were highly constrained by ambient noise levels, masking the low-frequency content of low intensity sounds from smaller spiny lobsters. Although the ecological function of spiny lobster sounds is not clear yet, these results suggest larger body sizes benefit because louder calls increase the broadcast area and potential interactions with conspecifics, as shown in the insect bioacoustic literature.
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Affiliation(s)
- Youenn Jézéquel
- Laboratoire des Sciences de l'Environnement Marin (LEMAR), Unite Mixte de Recherche 6539, Centre National de la Recherche Scientifique, Universite de Bretagne Occidentale, Institut de Recherche pour le Developpement, Ifremer, Laboratoire International Associe BeBEST, Institut Universitaire Européen de la Mer (IUEM), rue Dumont D'Urville, 29280 Plouzané, France
| | - Julien Bonnel
- Applied Ocean Physics and Engineering Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
| | - Phillipe Eliès
- Plateforme d'Imagerie et de Mesures en Microscopie, Université de Bretagne Occidentale, 29200 Brest, France
| | - Laurent Chauvaud
- Laboratoire des Sciences de l'Environnement Marin (LEMAR), Unite Mixte de Recherche 6539, Centre National de la Recherche Scientifique, Universite de Bretagne Occidentale, Institut de Recherche pour le Developpement, Ifremer, Laboratoire International Associe BeBEST, Institut Universitaire Européen de la Mer (IUEM), rue Dumont D'Urville, 29280 Plouzané, France
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8
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Becker FK, Shabangu FW, Gridley T, Wittmer HU, Marsland S. Sounding out a continent: seven decades of bioacoustics research in Africa. BIOACOUSTICS 2022. [DOI: 10.1080/09524622.2021.2021987] [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)
- Frowin K. Becker
- School of Biological Sciences, Victoria University of Wellington/Te Herenga Waka, Wellington, New Zealand
- National Geographic Okavango Wilderness Project, Maun, Botswana
| | - Fannie W. Shabangu
- Fisheries Management Branch, Department of Forestry, Fisheries and the Environment, Cape Town, South Africa
- Mammal Research Institute Whale Unit, Department of Zoology and Entomology, University of Pretoria, Pretoria, South Africa
| | - Tess Gridley
- Sea Search Research and Conservation Npc, Cape Town, South Africa
- Department of Botany and Zoology, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa
| | - Heiko U. Wittmer
- School of Biological Sciences, Victoria University of Wellington/Te Herenga Waka, Wellington, New Zealand
| | - Stephen Marsland
- School of Mathematics and Statistics, Victoria University of Wellington/Te Herenga Waka, Wellington, New Zealand
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9
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Automatic Monitoring of Relevant Behaviors for Crustacean Production in Aquaculture: A Review. Animals (Basel) 2021; 11:ani11092709. [PMID: 34573675 PMCID: PMC8466386 DOI: 10.3390/ani11092709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 09/12/2021] [Accepted: 09/13/2021] [Indexed: 11/23/2022] Open
Abstract
Simple Summary Automatic behavior monitoring, also called automated analytics or automated reporting, is the ability of an analytics platform to auto-detect relevant insights—anomalies, trends, patterns—and deliver them to users in real time, without users having to manually explore their data to find the answers they need. An analytics platform with automated behavior monitoring uses algorithms to auto-analyze datasets to search for notable changes in data. It then generates alerts at fixed intervals or triggers (thresholds), and delivers the findings to each user, ready-made. In-aquaculture scoring of behavioral indicators of aquatic animal welfare is challenging, but the increasing availability of low-cost technology now makes the automated monitoring of behavior feasible. Abstract Crustacean farming is a fast-growing sector and has contributed to improving incomes. Many studies have focused on how to improve crustacean production. Information about crustacean behavior is important in this respect. Manual methods of detecting crustacean behavior are usually infectible, time-consuming, and imprecise. Therefore, automatic growth situation monitoring according to changes in behavior has gained more attention, including acoustic technology, machine vision, and sensors. This article reviews the development of these automatic behavior monitoring methods over the past three decades and summarizes their domains of application, as well as their advantages and disadvantages. Furthermore, the challenges of individual sensitivity and aquaculture environment for future research on the behavior of crustaceans are also highlighted. Studies show that feeding behavior, movement rhythms, and reproduction behavior are the three most important behaviors of crustaceans, and the applications of information technology such as advanced machine vision technology have great significance to accelerate the development of new means and techniques for more effective automatic monitoring. However, the accuracy and intelligence still need to be improved to meet intensive aquaculture requirements. Our purpose is to provide researchers and practitioners with a better understanding of the state of the art of automatic monitoring of crustacean behaviors, pursuant of supporting the implementation of smart crustacean farming applications.
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Roberts L. Substrate-borne vibration and sound production by the land hermit crab Coenobita compressus during social interactions. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2021; 149:3261. [PMID: 34241129 DOI: 10.1121/10.0004988] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 04/27/2021] [Indexed: 06/13/2023]
Abstract
Despite the diversity of sound production in crustacea, sounds produced by the land hermit crabs (Coenobitidae) are not well understood. Here, sound and substrate-borne vibration production by the tropical species Coenobita compressus was characterized in relation to shell architecture and social context. Sound production rates were compared between group and solitary conditions. Chirps were measurable in the air (peak frequency 800-8400 Hz) and within the sediment (40-1120 Hz). On average, chirp pulses were 0.08 s, spaced 0.41-0.92 s apart, and had trains composed of 4-6 pulses. There were significant correlations between the shell architecture and chirp vibroacoustics. Notably, a correlation between the substrate-borne peak frequency and shell wall thickness was found, indicating that the shell remodeling process which crabs undertake (shell wall thinning) impacts the vibroacoustics of the chirps. Chirp production was significantly linked to sociality during increased individual proximity and shell contests; hence, the function is hypothesized to be intraspecific communication relative to personal space and defense. Although there have been anecdotal observations of chirping in the Coenobitidae, this paper provides a full characterization of C. compressus, which produces chirps in two sensory modes, indicating the potential of being a seismic signaler.
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Affiliation(s)
- Louise Roberts
- Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755, USA
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11
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Di Franco E, Pierson P, Di Iorio L, Calò A, Cottalorda JM, Derijard B, Di Franco A, Galvé A, Guibbolini M, Lebrun J, Micheli F, Priouzeau F, Risso-de Faverney C, Rossi F, Sabourault C, Spennato G, Verrando P, Guidetti P. Effects of marine noise pollution on Mediterranean fishes and invertebrates: A review. MARINE POLLUTION BULLETIN 2020; 159:111450. [PMID: 32892911 DOI: 10.1016/j.marpolbul.2020.111450] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 07/06/2020] [Accepted: 07/06/2020] [Indexed: 06/11/2023]
Abstract
Marine noise pollution (MNP) can cause a multitude of impacts on many organisms, but information is often scattered and general outcomes difficult to assess. We have reviewed the literature on MNP impacts on Mediterranean fish and invertebrates. Both chronic and acute MNP produced by various human activities - e.g. maritime traffic, pile driving, air guns - were found to cause detectable effects on intra-specific communication, vital processes, physiology, behavioral patterns, health status and survival. These effects on individuals can extend to inducing population- and ecosystem-wide alterations, especially when MNP impacts functionally important species, such as keystone predators and habitat forming species. Curbing the threats of MNP in the Mediterranean Sea is a challenging task, but a variety of measures could be adopted to mitigate MNP impacts. Successful measures will require more accurate information on impacts and that effective management of MNP really becomes a priority in the policy makers' agenda.
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Affiliation(s)
- E Di Franco
- Université Côte d'Azur, CNRS, UMR 7035 ECOSEAS, Nice, France.
| | - P Pierson
- Université Côte d'Azur, CNRS, UMR 7035 ECOSEAS, Nice, France
| | - L Di Iorio
- CHORUS Institute, Phelma Minatec, 38016 Grenoble, France; Foundation of the Grenoble Institute of Technology, 38031 Grenoble, France
| | - A Calò
- Université Côte d'Azur, CNRS, UMR 7035 ECOSEAS, Nice, France; Dipartimento di Scienze della Terra e del Mare (DiSTeM), Università di Palermo, Via Archirafi 20-22, 90123 Palermo, Italy
| | - J M Cottalorda
- Université Côte d'Azur, CNRS, UMR 7035 ECOSEAS, Nice, France
| | - B Derijard
- Université Côte d'Azur, CNRS, UMR 7035 ECOSEAS, Nice, France
| | - A Di Franco
- Université Côte d'Azur, CNRS, UMR 7035 ECOSEAS, Nice, France; Department of Integrative Marine Ecology, Sicily, Stazione Zoologica Anton Dohrn, Lungomare Cristoforo Colombo (complesso Roosevelt), 90149 Palermo, Italy
| | - A Galvé
- Université Côte d'Azur, CNRS, IRD, Observatoire de la Côte d'Azur, Géoazur, Sophia-Antipolis, France
| | - M Guibbolini
- Université Côte d'Azur, CNRS, UMR 7035 ECOSEAS, Nice, France
| | - J Lebrun
- Université Côte d'Azur, CNRS, UMR 7271 I3S, Sophia Antipolis, France
| | - F Micheli
- Hopkins Marine Station and Stanford Center for Ocean Solutions, Stanford University, Pacific Grove, CA 93950, USA
| | - F Priouzeau
- Université Côte d'Azur, CNRS, UMR 7035 ECOSEAS, Nice, France
| | | | - F Rossi
- Université Côte d'Azur, CNRS, UMR 7035 ECOSEAS, Nice, France
| | - C Sabourault
- Université Côte d'Azur, CNRS, UMR 7035 ECOSEAS, Nice, France
| | - G Spennato
- Université Côte d'Azur, CNRS, UMR 7035 ECOSEAS, Nice, France
| | - P Verrando
- Université Côte d'Azur, CNRS, INSERM, Institut de Biologie Valrose (iBV, INSERM U1091 - CNRS UMR7277), Nice, France
| | - P Guidetti
- Université Côte d'Azur, CNRS, UMR 7035 ECOSEAS, Nice, France; CoNISMa (National Interuniversitary Consortium of Marine Sciences), P.le Flaminio 9, 00196 Rome, Italy; Department of Integrative Marine Ecology, Stazione Zoologica Anton Dohrn - National Institute of Marine Biology, Ecology and Biotechnology, Villa Comunale, 80121 Naples, Italy
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12
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Akian DD, Yao K, Parmentier E, Joassard L, Clota F, Baroiller JF, Lozano P, Chatain B, Bégout ML. Acoustic signals produced by Nile tilapia Oreochromis niloticus and black-chinned tilapia Sarotherodon melanotheron during intra- and interspecific pairings. ZOOLOGY 2020; 143:125831. [PMID: 32949976 DOI: 10.1016/j.zool.2020.125831] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 07/20/2020] [Accepted: 07/27/2020] [Indexed: 11/18/2022]
Abstract
We characterised, for the first-time, the sound production of black-chinned tilapia Sarotherodon melanotheron and show differences with that of Nile tilapia Oreochromis niloticus in a hybridization pairing context. Although both species were able to produce drum sounds, they showed different acoustic features. Drum sounds were produced in aggressive (chasing or lateral attack) and non-aggressive (courtship) contexts by O. niloticus but only in aggressive situations (fleeing or avoidance) by S. melanotheron. The second type of sounds produced by O. niloticus were grunts, produced in both aggressive (chasing and after biting) and non-aggressive contexts (nest building). The second type of sound produced by S. melanotheron was a rolling sound, produced only during courtship. Each species was able to produce common sounds (drum) and species-specific sounds (grunts and rolling). This implies that species can communicate without being able to understand each other because the sounds emitted may probably have different significance. Drumming corresponded only to aggressivity in S. melanotheron, whereas this was not true for O. niloticus. 11-ketotestosterone (11-kt) levels were significantly higher in male O. niloticus than male S. melanotheron, but there was no significant correlation between 11-kt or estradiol concentrations and the number of sounds produced in aggressive or non-aggressive behavioural contexts in either species. During interspecies interactions, O. niloticus drum sounds are likely considered to be aggressive by S. melanotheron and could potentially constitute a reproductive barrier between the two species.
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Affiliation(s)
- Dieudonné Djétouan Akian
- Département Eaux, Forêts et Environnement, Institut National Polytechnique Félix Houphouët Boigny, BP 1313, Yamoussoukro, Cote d'Ivoire; Laboratoire de Biologie et Cytologie Animales, Unité de Formation et de Recherche Science de la Nature, Université Nangui-Abrogoua, 02 BP 801, Abidjan 02, Cote d'Ivoire; Laboratoire Ressources Halieutiques, Institut Français de Recherche pour l'Exploitation de la Mer, L'Houmeau, 17137, France
| | - Kouakou Yao
- Laboratoire de Biologie et Cytologie Animales, Unité de Formation et de Recherche Science de la Nature, Université Nangui-Abrogoua, 02 BP 801, Abidjan 02, Cote d'Ivoire
| | - Eric Parmentier
- Laboratoire de Morphologie Fonctionnelle et Evolutive, AFFISH, Institut de chimie- B6C, Université de Liège, Sart Tilman, 4000, Liège, Belgium
| | - Lucette Joassard
- Laboratoire Ressources Halieutiques, Institut Français de Recherche pour l'Exploitation de la Mer, L'Houmeau, 17137, France
| | - Frédéric Clota
- Université Paris-Saclay, INRAE, AgroParisTech, GABI, 78350, Jouy-en-Josas, France
| | - Jean-François Baroiller
- Unité Mixte de Recherche 116, Institut des Sciences de l'Evolution de Montpellier, Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Montpellier, France
| | - Paul Lozano
- Unité Mixte de Recherche 116, Institut des Sciences de l'Evolution de Montpellier, Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Montpellier, France
| | - Béatrice Chatain
- MARBEC, Université Montpellier, CNRS, Ifremer, IRD, Chemin de Maguelone, 34250, Palavas-les-Flots, France
| | - Marie-Laure Bégout
- Laboratoire Ressources Halieutiques, Institut Français de Recherche pour l'Exploitation de la Mer, L'Houmeau, 17137, France; MARBEC, Université Montpellier, CNRS, Ifremer, IRD, Chemin de Maguelone, 34250, Palavas-les-Flots, France.
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Spiny lobster sounds can be detectable over kilometres underwater. Sci Rep 2020; 10:7943. [PMID: 32439882 PMCID: PMC7242360 DOI: 10.1038/s41598-020-64830-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 04/01/2020] [Indexed: 11/30/2022] Open
Abstract
The detection ranges of broadband sounds produced by marine invertebrates are not known. To address this deficiency, a linear array of hydrophones was built in a shallow water area to experimentally investigate the propagation features of the sounds from various sizes of European spiny lobsters (Palinurus elephas), recorded between 0.5 and 100 m from the animals. The peak-to-peak source levels (SL, measured at one meter from the animals) varied significantly with body size, the largest spiny lobsters producing SL up to 167 dB re 1 µPa2. The sound propagation and its attenuation with the distance were quantified using the array. This permitted estimation of the detection ranges of spiny lobster sounds. Under the high ambient noise conditions recorded in this study, the sounds propagated between 5 and 410 m for the smallest and largest spiny lobsters, respectively. Considering lower ambient noise levels and different realistic propagation conditions, spiny lobster sounds can be detectable up to several kilometres away from the animals, with sounds from the largest individuals propagating over 3 km. Our results demonstrate that sounds produced by P. elephas can be utilized in passive acoustic programs to monitor and survey this vulnerable species at kilometre scale in coastal waters.
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Sal Moyano MP, Ceraulo M, Mazzola S, Buscaino G, Gavio MA. Sound production mechanism in the semiterrestrial crab Neohelice granulata (Brachyura, Varunidae). THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2019; 146:3466. [PMID: 31795673 DOI: 10.1121/1.5128473] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 09/18/2019] [Indexed: 06/10/2023]
Abstract
Very few studies of sound production in the Brachyura have simultaneously identified the type of individuals (e.g., sex) producing acoustic signals, the structures involved in making sound and the social context. The emission and type of sound signals in Neohelice granulata were previously characterized, but the sex and the body structures involved in the sound production mechanism were not determined. In the present study, experiments conducted in the laboratory demonstrated that acoustic signals were produced by males through an up-down movement of the cheliped by rubbing the merus against the pterygostomial area of the carapace. The micromorphology of the merus showed that it has a ridge of tubercles which may act as a plectrum, while the pterygostomial area bears tubercles and might function as the pars stridens. Acoustic signals were displayed more frequently in the presence of receptive females. Agonistic encounters among males also occurred more often in the presence of receptive females. The authors propose that Neohelice granulata males use their chelipeds to produce sound signals in a mating context, probably to attract the receptive female and/or to repel other males when a receptive female is present. Thus, the display might have a reproductive function influencing mate choice.
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Affiliation(s)
- María P Sal Moyano
- Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)-Universidad Nacional de Mar del Plata (UNMdP). Funes 3350, Mar del Plata, 7600, Argentina
| | - María Ceraulo
- Institute of Anthropic Impact and Sustainability in marine Environment (IAS)-CNR National Research Council Via del Mare 3 91021 Torretta Granitola, Italy
| | - Salvatore Mazzola
- Institute of Anthropic Impact and Sustainability in marine Environment (IAS)-CNR National Research Council Via del Mare 3 91021 Torretta Granitola, Italy
| | - Giuseppa Buscaino
- Institute of Anthropic Impact and Sustainability in marine Environment (IAS)-CNR National Research Council Via del Mare 3 91021 Torretta Granitola, Italy
| | - María A Gavio
- Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)-Universidad Nacional de Mar del Plata (UNMdP). Funes 3350, Mar del Plata, 7600, Argentina
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Oka SI, Kobayashi N, Sato T, Ueda K, Yamagishi M. Sound production in the coconut crab, the largest terrestrial crustacean. ZOOLOGY 2019; 137:125710. [PMID: 31634694 DOI: 10.1016/j.zool.2019.125710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 08/13/2019] [Accepted: 09/12/2019] [Indexed: 10/26/2022]
Abstract
Sound production in terrestrial crustaceans, including the coconut crab, Birgus latro, is not fully understood. Here, we present the first description of the acoustic features and sound production mechanisms of coconut crabs. The sound production system was determined based on X-ray videography and anatomical observations. The results indicated that the crabs produced a tapping sound by beating the scaphognathite, which is also used for ventilation, in the efferent branchial channel. The frequencies of the produced sounds were diverse, and the sound interval also varied within the same individual. From observations under captivity, differences in the sounds were confirmed at each mating phase. Although the relationship between the sounds and actions was not clarified in this study, it is probable that the crabs deliberately produce various types of sounds for different occasions. The coconut crab is known to use visual and chemical communication mechanisms, but these results suggest that a diverse set of sounds is an additional communication pathway during agonistic and mating interactions.
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Affiliation(s)
- Shin-Ichiro Oka
- Okinawa Churashima Foundation, 888 Ishikawa, Motobu-cho, Okinawa, 905-0206, Japan.
| | - Nozomi Kobayashi
- Okinawa Churashima Foundation, 888 Ishikawa, Motobu-cho, Okinawa, 905-0206, Japan
| | - Taku Sato
- Research Center for Marine Invertebrates, National Research Institute of Fisheries and Environment of Inland Sea, Japan Fisheries Research and Education Agency, Momoshima, Onomichi, Hiroshima, 722-0061, Japan
| | - Keiichi Ueda
- Okinawa Churashima Foundation, 888 Ishikawa, Motobu-cho, Okinawa, 905-0206, Japan
| | - Maki Yamagishi
- Conservation & Animal Welfare Trust Okinawa, 308-7 Maehara, Uruma-shi, Okinawa, 904-2235, Japan
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16
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Hamilton S, Silva JF, Pereira-Neves A, Travassos P, Peixoto S. Sound production mechanism in the Brazilian spiny lobsters (Family Palinuridae). ZOOMORPHOLOGY 2019. [DOI: 10.1007/s00435-019-00461-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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17
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Underwater acoustic communication during the mating behaviour of the semi-terrestrial crab Neohelice granulata. Naturwissenschaften 2019; 106:35. [DOI: 10.1007/s00114-019-1633-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 05/28/2019] [Accepted: 06/01/2019] [Indexed: 10/26/2022]
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18
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Putland RL, Constantine R, Radford CA. Exploring spatial and temporal trends in the soundscape of an ecologically significant embayment. Sci Rep 2017; 7:5713. [PMID: 28720760 PMCID: PMC5516011 DOI: 10.1038/s41598-017-06347-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Accepted: 06/13/2017] [Indexed: 11/20/2022] Open
Abstract
The Hauraki Gulf, a shallow embayment in north-eastern New Zealand, provides an interesting environment for ecological soundscape research. It is situated on a tectonic plate boundary, contains one of the busiest ports in the southern hemisphere and is home to a diverse range of soniferous animals. The underwater soundscape was monitored for spatial and temporal trends at six different listening stations using passive acoustic recorders. The RMS sound pressure level of ambient sound (50–24,000 Hz) at the six listening stations was similar, ranging from 90–110 dB re 1 μPa throughout the recording period. Biophony had distinct temporal patterns and biological choruses of urchins were significantly correlated to temperature. Geophony and biophony followed the acoustic niche hypothesis, where each sound exhibited both temporal and frequency partitioning. Vessel passage sound were identified in 1.9–35.2% of recordings from the different listening stations. Vessel sound recorded in the Hauraki Gulf has the potential to mask concurrent geophony and biophony, sounds that may be important to marine life. This study provides a baseline of ambient sound, useful for future management strategies in shallow embayments where anthropogenic pressure is likewise increasing.
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Affiliation(s)
- R L Putland
- Leigh Marine Laboratory, Institute of Marine Science, University of Auckland, PO Box 349, Warkworth, 0941, New Zealand.
| | - R Constantine
- School of Biological Sciences, University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - C A Radford
- Leigh Marine Laboratory, Institute of Marine Science, University of Auckland, PO Box 349, Warkworth, 0941, New Zealand
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Lammers MO, Munger LM. From Shrimp to Whales: Biological Applications of Passive Acoustic Monitoring on a Remote Pacific Coral Reef. MODERN ACOUSTICS AND SIGNAL PROCESSING 2016. [DOI: 10.1007/978-1-4939-3176-7_4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Does Noise From Shipping and Boat Traffic Affect Predator Vigilance in the European Common Hermit Crab? ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 875:767-74. [PMID: 26611031 DOI: 10.1007/978-1-4939-2981-8_94] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The effect of noise on predator vigilance in Pagurus bernhardus was explored in this study. Latency of the first response, emergence time, and response type were measured from hermit crabs during continuous and variable vessel noise and two controls. The mean (±SE) response latency was longer for the noise treatments (continuous, 18.19 ± 2.78 s; variable, 11.39 ± 1.48 s) than for the controls (ambient, 7.21 ± 0.82 s; silent, 6.66 ± 0.95 s). Response type and emergence time were not significantly affected but were more variable during the noise treatments than during the controls. Noisy conditions may increase predation risk, suggesting potential fitness consequences for invertebrates.
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21
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Spiga I. Acoustic Response to Playback of Pile-Driving Sounds by Snapping Shrimp. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 875:1081-8. [PMID: 26611071 DOI: 10.1007/978-1-4939-2981-8_134] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
There is concern about the effects of noise from impact pile driving as this constructional technique becomes increasingly widespread in coastal areas. The habitats of most marine invertebrate species are likely to overlap with the areas of human activities along the coast and be affected by the increased levels of noise produced. This paper investigates the acoustic response of chorusing snapping shrimp to different sound pressure levels. A significant increase in the snap number and snap amplitude was recorded during the playback of piling noise, suggesting that noise exposure affected the acoustic behavior of these animals.
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Affiliation(s)
- Ilaria Spiga
- School of Marine Science and Technology (MAST), Newcastle University, Newcastle upon Tyne, NE1 7RU, UK.
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Freeman SE, Buckingham MJ, Freeman LA, Lammers MO, D'Spain GL. Cross-correlation, triangulation, and curved-wavefront focusing of coral reef sound using a bi-linear hydrophone array. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2015; 137:30-41. [PMID: 25618036 DOI: 10.1121/1.4904523] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
A seven element, bi-linear hydrophone array was deployed over a coral reef in the Papahãnaumokuãkea Marine National Monument, Northwest Hawaiian Islands, in order to investigate the spatial, temporal, and spectral properties of biological sound in an environment free of anthropogenic influences. Local biological sound sources, including snapping shrimp and other organisms, produced curved-wavefront acoustic arrivals at the array, allowing source location via focusing to be performed over an area of 1600 m(2). Initially, however, a rough estimate of source location was obtained from triangulation of pair-wise cross-correlations of the sound. Refinements to these initial source locations, and source frequency information, were then obtained using two techniques, conventional and adaptive focusing. It was found that most of the sources were situated on or inside the reef structure itself, rather than over adjacent sandy areas. Snapping-shrimp-like sounds, all with similar spectral characteristics, originated from individual sources predominantly in one area to the east of the array. To the west, the spectral and spatial distributions of the sources were more varied, suggesting the presence of a multitude of heterogeneous biological processes. In addition to the biological sounds, some low-frequency noise due to distant breaking waves was received from end-fire north of the array.
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Affiliation(s)
- Simon E Freeman
- American Society for Engineering Education, Washington, DC 20036
| | - Michael J Buckingham
- Marine Physical Laboratory, Scripps Institution of Oceanography, University of California, San Diego, California 92093-0238
| | | | - Marc O Lammers
- Oceanwide Science Institute, Hawaii Institute of Marine Biology, Honolulu, Hawaii 96839
| | - Gerald L D'Spain
- Marine Physical Laboratory, Scripps Institution of Oceanography, University of California, San Diego, California 92093-0238
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Buscaino G, Filiciotto F, Buffa G, Di Stefano V, Maccarrone V, Buscaino C, Mazzola S, Alonge G, D'Angelo S, Maccarrone V. The underwater acoustic activities of the red swamp crayfish Procambarus clarkii. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2012; 132:1792-1798. [PMID: 22978906 DOI: 10.1121/1.4742744] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
This study describes the underwater acoustic behavior of the red swamp crayfish Procambarus clarkii. The study was conducted both in a tank and in the natural environment. The tank was equipped with video and acoustic recording systems. Observations were conducted to identify the underwater acoustic signals produced and their association with behavioral events and the movement status of the animals. In a lake in a natural reserve, a remote acoustic recording station was used to study the circadian underwater acoustic activity of the crayfish and to assess the acoustic features of the signals. The red swamp crayfish produces irregular trains of wide-band pulses (duration 0.4 ms, SPL(PK) 128 dB re 1 μPa, peak frequency 28 kHz, bandwidth(RMS) 20 kHz). The production of signals is positively related to intraspecific interactions (encounter/approach, fighting and successive Tail Flips). In the natural environment, acoustic activity is almost absent during the day, increases abruptly at sunset and continues until dawn. This study reveals the previously unknown underwater acoustic signals of Procambarus clarkii and the potential of passive acoustic methods to monitor the presence, the abundance and the behavioral activities of this invasive species.
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Affiliation(s)
- Giuseppa Buscaino
- CNR, Istituto per l'Ambiente Marino Costiero UOS Capo Granitola, Via del Faro No. 3, 91021 Torretta Granitola (TP), Italy.
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Ward D, Morison F, Morrissey E, Jenks K, Watson WH. Evidence that potential fish predators elicit the production of carapace vibrations by the American lobster. J Exp Biol 2011; 214:2641-8. [DOI: 10.1242/jeb.057976] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
SUMMARY
American lobsters (Homarus americanus) will on rare occasions produce sounds by vibrating their dorsal carapace. Although this behavior can be elicited in the laboratory by handling lobsters, the stimulus that triggers the production of sounds in the lobster's natural habitat is not known. We investigated the influence of two fish that are known to prey on lobsters, cod (Gadus morhua) and striped bass (Morone saxatilis), on the production of sounds by American lobsters. In addition, we examined the response of the same fish to the sounds the lobsters produced. Although solitary lobsters spontaneously produced sounds at a low rate of 1.2±0.23 sound events per 30 min, the presence of a single cod or striped bass led to an increase in the rate of sound production (cod: 51.1±13.1 events per 30 min; striped bass: 17.0±7.0 events per 30 min). Most (74.6±6.6%) of the 292 sound events recorded occurred when a fish came within 0.5 m of a lobster, but a fish did not have to come into contact with a lobster to elicit sounds. Immediately following the production of a sound by a lobster, fish turned and swam away significantly faster than when they encountered a lobster that did not make a sound. Moreover, after striped bass (but not cod) experienced a number of these sound events, they subsequently tended to avoid swimming close to the lobsters. These data, taken together, suggest that sound production by American lobsters may serve to deter potential fish predators.
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Affiliation(s)
- Daniel Ward
- Department of Biological Sciences, University of New Hampshire, Durham, NH 03824, USA
| | - Françoise Morison
- Department of Biological Sciences, University of New Hampshire, Durham, NH 03824, USA
| | - Elizabeth Morrissey
- Department of Biological Sciences, University of New Hampshire, Durham, NH 03824, USA
| | - Kyle Jenks
- Department of Biological Sciences, University of New Hampshire, Durham, NH 03824, USA
| | - Winsor H. Watson
- Department of Biological Sciences, University of New Hampshire, Durham, NH 03824, USA
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Favaro L, Tirelli T, Gamba M, Pessani D. Sound production in the red swamp crayfish Procambarus clarkii (Decapoda: Cambaridae). ZOOL ANZ 2011. [DOI: 10.1016/j.jcz.2011.01.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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